OP 4 Wood, N.A., 1914.
An annotated check-list of Michigan mammals. 14 pp., 1 map. $1.10
OP 6 Wood, N.A., 1915.
On the occurrence of Neosorex palustris (Rich.), Sorex richardsonii Bach, and Pitymys pinetorum scalopsoides (Aud. and Bach.), in Michigan. 2 pp. $0.50
OP 13 Case, E.C., 1915.
On a nearly complete skull of Symbos cavifrons Leidy from Michigan. 7 pp., 2 plates. $0.70
OP 36 Wood, N.A., 1917.
Notes on the mammals of Alger County, Michigan. 16 pp., 4 plates, 1 foldout map. $1.30
OP 85 Dice, L.R., 1920.
The land vertebrate associations of interior Alaska. 32 pp., 4 plates, 1 map, 2 tables. $2.60
OP 86 Dice, L.R., 1920.
The mammals of Warren Woods, Berrien County, Michigan. 24 pp., 2 plates, 1 map. $1.90
OP 109 Dice, L.R. and H.B. Sherman, 1922.
Notes on the mammals of Gogebic and Ontonagon Counties, Michigan, 1920. 46 pp., 3 plates. $3.70
OP 110 Allen, G.M., 1922.
Bats from Palawan, Philippine Islands. 5 pp. $0.60
OP 123 Wood, N.A., 1922.
The mammals of Washtenaw County, Michigan. 23 pp. $1.85
OP 124 Wood, N.A., 1922.
Notes on the mammals of Berrien County, Michigan. 4 pp. $0.50
OP 159 Dice, L.R., 1925.
A survey of the mammals of Charlevoix County, Michigan, and vicinity. 39 pp., 3 plates. $3.10
OP 160 Dice, L.R., 1925.
The mammals of Marion Island, Grand Traverse County, Michigan. 10 pp., 1 plate. $0.90
OP 166 Dice, L.R., 1926.
Notes on Pacific Coast rabbits and pikas. 28 pp. $2.25
OP 185 Hatt, R.T., 1927.
Notes on the ground-squirrel, Callospermophilus. 24 pp., 1 plate, 2 figures. $1.90
OP 203 Dice, L.R., 1929.
Description of two new pocket mice and a new woodrat from New Mexico. 4 pp. $0.50
OP 212 Enders, R.K., 1930.
Some factors influencing the distribution of mammals in Ohio. 27 pp., 1 map. $2.20
OP 213 Dice, L.R., 1930.
Mammal distribution in the Alamogordo region, New Mexico. 38 pp., 3 plates, 1 table. $3.00
OP 219 Harris, W.P., Jr., 1930.
A new squirrel from Costa Rica. 4 pp. $0.50
OP 227 Harris, W.P., Jr., 1931.
A new squirrel of the Sciurus hoffmanni group from Costa Rica. 3 pp. $0.50
OP 228 Harris, W.P., Jr., 1931.
A new squirrel from China. 2 pp. $0.50
OP 239 Dice, L.R., 1932.
Variation in a geographic race of the deermouse, Peromyscus maniculatus bairdii. 26 pp., 1 map, 12 tables. $2.10
OP 245 Murie, A., 1932.
A new Oryzomys from a pine ridge in British Honduras. 3 pp., 1 table. $0.50
OP 248 Harris, W.P., Jr., 1932.
Four new mammals from Costa Rica. 6 pp. $0.60
OP 265 Blossom, P.M., 1933.
Description of a new rock pocket-mouse and a new desert-mouse from southern Arizona. 4 pp. $0.50
OP 266 Harris, W.P., Jr., 1933.
A new tree squirrel and a new cottontail rabbit from Costa Rica. 4 pp. $0.50
OP 270 Murie, A., 1933.
The ecological relationships of two subspecies of Peromyscus in the Glacier Park region, Montana. 17 pp., 1 map, 1 figure, 3 tables. $1.35
OP 271 Dice, L.R., 1933.
Variation in Peromyscus maniculatus rufinus from Colorado and New Mexico. 32 pp., 1 map, 11 tables. $2.60
OP 273 Blossom, P.M., 1933.
A new woodrat from southwestern Arizona and a new rock pocket-mouse from northwestern Sonora. 5 pp. $0.60
OP 296 Hall, E.R., 1934.
Two new rodents of the genera Glaucomys and Zapus from Utah. 6 pp. $0.60
OP 312 Dice, L.R., 1935.
A study of racial hybrids in the deer-mouse, Peromyscus maniculatus. 22 pp., 7 tables. $1.80
OP 315 Blossom, P.M., 1935.
Description of a race of desert woodrat (Neotoma lepida) from Sonora. 3 pp. $0.50
OP 317 Benson, S.B., 1935.
Geographic variation in Neotoma lepida in Arizona. 9 pp., 1 map, 1 table. $0.90
OP 335 Benson, S.B., 1936.
Notes on the sex ratio and breeding of the beaver in Michigan. 6 pp., 1 figure. $0.60
OP 338 Howell, A.H., 1936.
Description of a new red squirrel from Isle Royale, Michigan. 2 pp. $0.50
OP 344 Burt, W.H., 1937.
A new pocket gopher (Thomomys) from southern Sonora, Mexico. 2 pp. $0.50
OP 351 Dice, L.R., 1937.
Additional data on variation in the prairie deer-mouse, Peromyscus maniculatus bairdii. 19 pp., 3 figures, 1 map, 2 tables. $1.50
OP 352 Dice, L.R., 1937.
Variation in the wood-mouse, Peromyscus leucopus noveboracensis, in the northeastern United States. 32 pp., 2 figures, 1 map, 2 tables. $2.60
OP 365 Burt, W.H., 1937.
A new pocket gopher (Heterogeomys) from British Honduras. 2 pp. $0.50
OP 366 Blossom, P.M., 1937.
Description of a race of chipmunk from south central Idaho. 3 pp. $0.50
OP 368 Blossom, P.M., 1938.
Description of a new race of pocket gopher (Geomys lutescens hylaeus) from northwestern Nebraska. 2 pp. $0.50
OP 373 Sanborn, C.C., 1938.
Notes on neotropical bats. 5 pp. $0.60
OP 375 Dice, L.R., 1938.
Variation in nine stocks of the deer-mouse, Peromyscus maniculatus, from Arizona. 19 pp., 1 map, 5 tables. $1.50
OP 380 Blair, W.F., 1938.
A new race of the eastern cottontail from the Texas panhandle. 3 pp. $0.50
OP 381 Blair, W.F., 1938.
Two new pocket-mice from western Texas. 3 pp. $0.50
OP 383 Burt, W.H., 1938.
A new water-shrew (Sorex palustris) from Labrador. 2 pp. $0.50
OP 384 Burt, W.H., 1938.
A new spotted skunk (Spilogale) from Yucatan. 3 pp. $0.50
OP 391 Harris, W.P., Jr. and P. Hershkovitz, 1938.
Two new squirrels from Ecuador. 6 pp. $0.60
OP 393 Hershkovitz, P., 1938.
A review of the rabbits of the andinus group and their distribution in Ecuador. 15 pp., 1 map. $1.20
OP 400 Burt, W.H., 1939.
A new woodrat (Neotoma mexicana) from the lava beds of southern New Mexico. 3 pp. $0.50
OP 403 Blair, W.F., 1939.
New mammals from Texas and Oklahoma, with remarks on the status of Thomomys texensis Bailey. 7 pp. $0.70
OP 418 Hershkovitz, P., 1940.
Notes on the distribution of the akodont rodent, Akodon mollis, in Ecuador, with a description of a new race. 3 pp. $0.50
OP 419 Hershkovitz, P., 1940.
A new spiny mouse of the genus Neacomys from eastern Ecuador. 4 pp. $0.50
OP 420 Hooper, E.T., 1940.
A new race of pocket gopher of the species Geomys lutescens from Colorado. 3 pp. $0.50
OP 422 Hooper, E.T., 1940.
New pocket gophers from the vicinity of Mount Taylor, New Mexico. 13 pp., 1 map, 1 foldout table. $1.10
OP 423 Harris, W.P., Jr., 1940.
A new subspecies of Peromyscus from Costa Rica. 2 pp. $0.50
OP 424 Burt, W.H., 1940.
A new pocket gopher from Lower California, Mexico. 3 pp. $0.50
OP 430 Burt, W.H. and E.T. Hooper, 1941.
Notes on mammals from Sonora and Chihuahua, Mexico. 7 pp. $0.70
OP 441 Hershkovitz, P., 1941.
The South American harvest mice of the genus Reithrodontomys. 7 pp., 1 foldout table. $0.70
OP 443 Hooper, E.T., 1941.
The type specimen of the water buffalo, Anoa mindorensis Steere. 4 pp. $0.50
OP 461 Hooper, E.T., 1942.
Geographic variation in the eastern chipmunk, Tamias striatus, in Michigan. 5 pp. $0.60
OP 463 Hooper, E.T., 1942.
The water shrew (Sorex palustris) of the southern Allegheny Mountains. 4 pp. $0.50
OP 465 Blossom, P.M. and W.H. Burt, 1942.
A new race of pygmy mouse (Baiomys) from Arizona. 4 pp. $0.50
OP 476 Harris, W.P., Jr., 1943.
A list of mammals from Costa Rica. 15 pp., 1 map. $1.20
OP 477 Hooper, E.T., 1943.
Geographic variation in harvest mice of the species Reithrodontomys humulis. 19 pp., 1 map. $1.50
OP 481 Burt, W.H., 1943.
Changes in the nomenclature of Michigan mammals. 9 pp. $0.90
OP 484 Harris, W.P., Jr., 1944.
Additions and corrections to the section on Sciuridae in Ellerman's families and genera of living rodents. 21 pp. $1.70
OP 514 Hooper, E.T. and C.O. Handley, Jr., 1948.
Character gradients in the spiny pocket mouse, Liomys irroratus. 34 pp., 1 figure, 2 tables, 1 map. $2.70
OP 515 Burt, W.H., 1948.
A new bat (Balantiopteryx) from Sonora, Mexico. 2 pp. $0.50
OP 518 Hooper, E.T. and B.T. Ostenson, 1949.
Age groups in Michigan otter. 22 pp., 6 tables. $1.80
OP 528 Rinker, G.C. and E.T. Hooper, 1950.
Notes on the cranial musculature in two subgenera of Reithrodontomys (harvest mice). 13 pp., 1 plate. $1.10
OP 544 Hooper, E.T., 1953.
Notes on mammals of Tamaulipas, Mexico. 12 pp. $1.00
OP 545 Reeder, William G., 1953.
The deciduous dentition of the fish-eating bat, Pizonyx vivesi. 5 pp., 1 plate. $0.60
OP 547 Schwartz, A., 1953.
A systematic study of the water rat (Neofiber alleni). 33 pp., 3 plates, 1 map, 1 table. $2.60
OP 558 Hooper, E.T., 1954.
A synopsis of the cricetine rodent genus Nelsonia. 12 pp., 1 map. $1.00
OP 565 Hooper, E.T., 1955.
Notes on mammals of western Mexico. 26 pp. $2.10
OP 586 Hooper, E.T., 1957.
Records of Mexican mammals. 9 pp. $1.00
OP 613 Hooper, E.T., 1959.
The glans penis in five genera of cricetid rodents. 16 pp., 5 plates, 1 table. OOP
OP 618 Hooper, E.T., 1960.
The glans penis in Neotoma (Rodentia) and allied genera. 34 pp., 11 plates, 1 table. $2.70
OP 620 Burt, W.H., 1961.
Some effects of Volcán Parícutin on vertebrates. 24 pp., 2 plates, 1 figure. $1.90
OP 623 Hooper, E.T., 1961.
The glans penis in Proechimys and other caviomorph rodents. 18 pp., 5 figures. $1.45
OP 625 Hooper, E.T., 1962.
The glans penis in Sigmodon, Sigmomys, and Reithrodon (Rodentia, Cricetinae). 11 pp., 2 figures. $1.00
OP 632 Rinker, G.C., 1963.
A comparative myological study of three subgenera of Peromyscus. 18 pp., 1 figure, 2 tables. $1.45
OP 635 Hooper, E.T. and G.G. Musser, 1964.
Notes on classification of the rodent genus Peromyscus. 13 pp., 2 figures, 1 table. $1.00
OP 636 Musser, G.G., 1964.
Notes on geographic distribution, habitat, and taxonomy of some Mexican mammals. 22 pp., 1 figure, 1 table. $1.80
OP 643 Musser, G.G. and V.H. Shoemaker, 1965.
Oxygen consumption and body temperature in relation to ambient temperature in the Mexican deer mice, Peromyscus thomasi and P. megalops. 15 pp., 1 plate, 7 figures. $1.20
OP 644 Klingener, D., 1966.
Dipodoid rodents from the Valentine Formation of Nebraska. 9 pp., 2 figures, 1 table. $0.90
OP 645 Gupta, B.B., 1966.
Notes on the gliding mechanism in the flying squirrel. 7 pp., 1 plate, 2 figures. $0.70
OP 657 Hooper, E.T., 1968.
Anatomy of middle-ear walls and cavities in nine species of microtine rodents. 28 pp., 6 figures. $2.20
OP 661 Lawler, T.E., 1971.
Distribution and relationships of six species of Peromyscus in Baja, California and Sonora, Mexico. 22 pp., 8 figures, 2 tables. $1.80
OP 665 Hooper, E.T., 1972.
A synopsis of the rodent genus Scotinomys. 32 pp., 12 figures, 1 table. $2.60
OP 675 Carleton, M.D., 1977.
Interrelationships of populations of the Peromyscus boylii species group (Rodentia, Muridae) in western Mexico. 47 pp., 16 figures, 12 tables. $3.80
OP 676 Myers, P., 1977.
A new phyllotine rodent (genus Graomys) from Paraguay. 7 pp., 2 plates, 2 tables. $0.75
OP 680 Hooper, E.T., 1977.
Type specimens of recent mammals in the Museum of Zoology, The University of Michigan. 22 pp. $2.20
OP 689 Voss, R., 1979.
Male accessory glands and the evolution of copulatory plugs in rodents. 27 pp., 4 tables. $2.80
OP 699 Heaney, L.R. and D.S. Rabor, 1982.
Mammals of Dinagat and Siargao Islands, Philippines. 30 pp., 10 tables. $3.00
OP 708 Heaney, L.R. and R.L. Peterson, 1984.
A new species of tube-nosed fruit bat (Nyctimene) from Negros Island, Philippines (Mammalia: Pteropodidae). 16 pp., 4 figures, 2 tables. $2.30
OP 720 Myers, P. and J.L. Patton, 1989.
A new species of Akodon from the cloud forests of eastern Cochabamba Department, Bolivia (Rodentia: Sigmodontinae). 28 pp., 12 figures, 1 table. $3.70
OP 721 Myers, P. and J.L. Patton, 1989.
Akodon of Peru and Bolivia - revision of the fumeus group (Rodentia: Sigmodontinae). 35 pp., 11 figures, 2 tables. $3.80