CONTENTS OF THE WHOLE VOLUME. 



BULLETIN No. 1.— February 11, 1881. 



Page. 

 I. — The Vegetation of the Rocky Mountaiu Region, and a comparison with 



that of other parts of the work!. By Asa Gray and Joseph D. 



Hooker 1 



II. — On some new Batrachia and Reptilia from the Permian Beds of Texas. 



ByE. D. Cope 79 



III. — On a Wading Bird from the Amyzon Shales. By E. D. Cope 83 



IV. — Osteology of Speotyto Cunicularia var. Hy]30ga;a. By R. W. Shu- 



feldt, Acting Assistant Surgeon, U. S. Army 87 



V. — Osteology of Eremophila Alpestris. By R. W. Shufeldt, Acting As- 

 sistant Surgeon, U. S. Army 119 



VI. — Preliminary list of the North American species of Agrotis, with de- 

 scriptions. By A. R. Grote 149 



VII. — On the Nimravidse and Canidse of the Miocene Period. By E. D. 



Cope ^ 165 



VIII. — On the Vertebrata of the Wind River Eocene Beds of Wyoming. By 



E. D. Cope 183 



BULLETIN No. 2.—Septeml)er 19, 1881. 



IX.— Annotated list of the Birds of Nevada. By W. J. Hoffman, M. D .... 203 

 X. — North American Moths, with a Preliminary Catalogue of Species of 



Hadena and Polia. By A. R. Grote 257 



XI. — The Tertiary Lake Basin of Florissant, Colorado, between South and 



Hay den Parks. By Samuel H. Scudder ^. ,-.V ." 279 



XII. — Revision of the Genus Sciurus. By E.^JL. Trouessart 301 



XIII.— Osteology of the North American Tetraonidte. By R. W. Shufeldt 309 



XIV. — Osteology of Lanius ludovicianus excubitorides. By R. W. Shufeldt. . 351 

 XV. — Review of the Rodentia of the Miocene Period of North America. By 



E. D. Cope '. 361 



XVI.— On the Cauidaj of the Loup Fork Epoch. By E. D. Cope 387 



XVII. — On a Cray-hsh from the Lower Tertiary Beds of Western Wyoming. 



By A. S. Packard 391 



BULLETIN No. ^.—August — , 1883. 



XVIII. — Preliminary List of Works and Papers relating to the Mammalian Or- 

 ders Cete and Sirenia. By Joel Asaph Allen 399 



XIX.— New Moths, with Partial Catalogue of Noctuaj. By A. R. Grote, A. M . 563 

 XX. — New Moths, principally collected by Mr. Roland Thaxter, in Maine, 

 with notes on noxious species, and remarks on classification. By A. 

 R. Grote 579 



