I 49.30:38
|
A review of the American moles / |
1 |
I 49.30:39
|
Revision of the pocket gophers of the genus Thomomys / |
1 |
I 49.30:40
|
A systematic account of the prairie-dogs / |
1 |
I 49.30:41
|
Review of the grizzly and big brown bears of North America (genus Ursus) : with description of a new genus, Vetularctos / |
1 |
I 49.30:41-45
|
Review of the grizzly and big brown bears of North America (genus Ursus) : with description of a new genus, Vetularctos / |
1 |
I 49.30:41-46
|
Review of the grizzly and big brown bears of North America (genus Ursus) : with description of a new genus, Vetularctos / |
1 |
I 49.30:42
|
Life zone investigations in Wyoming / |
1 |
I 49.30:43
|
The rice rats of North America : (Genus Oryzomys) / |
1 |
I 49.30:44
|
Revision of the American flying squirrels / |
1 |
I 49.30:45
|
A biological survey of Alabama. : I. Physiography and life zones. II. The mammals / |
1 |
I 49.30:46-50
|
Birds and mammals of the Pribilof Islands, Alaska / |
1 |
I 49.30:46/pt.1
|
Birds and mammals of the Pribilof Islands, Alaska / |
1 |
I 49.30:46/pt.2
|
Insects, arachnids, and chilopods of the Pribilof islands, Alaska / |
1 |
I 49.30:46pt./2
|
Insects, arachnids, and chilopods of the Pribilof islands, Alaska / |
1 |
I 49.30:47
|
Revision of the American pikas : (genus Ochotona) / |
1 |
I 49.30:47-48
|
Revision of the American pikas : (genus Ochotona) / |
1 |
I 49.30:48
|
Voles of the genus Phenacomys / |
1 |
I 49.30:49
|
A biological survey of North Dakota / |
1 |
I 49.30:49-51
|
A biological survey of North Dakota / |
1 |
I 49.30:50
|
Revision of the American lemming mice (genus Synaptomys) / |
1 |