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BULLETIN No. 2, Nîv.

TABLE OF CONTENTS.

Nos.
Titles.

Pages.

ART. XV.-The Geographical Distribution of the Mammalia,

considered in relation to the principal Ontological

Regions of the Earth, and the Laws that govern

the Distribution of Animal Life. By Joel Asaph

Allen ...................... ............. 313-378

ART. XVI.- Descriptions of New Extinct Vertebrata from the

Upper Tertiary and Dakota Formations. By E.

D. Cope ..........

..... 379-396

ART. XVII.— Notes on a Collection of Fishes from the Rio Grande,

at Brownsville, Texas. By David S. Jordan, M. D. 397-406

ART. XVIII.-A Catalogue of the Fishes of the Fresh Waters of

North America. By David S. Jordan, M. D..... 407-442

ART. XIX.—Description of a Fossil Passerine Bird from the Insect-

bearing Shales of Colorado. By J. A. Allen.

(PLATE I.) ...................... ....... 443-446

ART. XX.—The Coleoptera of the Alpine Regions of the Rocky

Mountains. By John L. LeConte, M. D. ........ 447–480

ART. XXI.- On the Orthoptera collected by Dr. Elliott Coues, U.

S. A., in Dakota and Montana, during 1873–74.

By Prof. Cyrus Thomas .................... 481-502

ART. XXII.—On the Hemiptera collected by Dr. Elliott Coues, U. S.

A., in Dakota and Montana, during 1873–74. By

P. R. Uhler................................. 503-512

ART. XXIII.—On the Lepidoptera collected by Dr. Elliott Coues,

U. S. A., in Montana, during 1874. By W. H.

Edwards .................................. 513-518

ART. XXIV. - An Account of some Insects of unusual interest from

the Tertiary Rocks of Colorado and Wyoming.

By S. H. Scudder....

519-544

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