ZOOLOGY AND BOTANY. 



I. — ZOOLOGY. 



I.— NOTICE OF SOME WOEMS COLLECTED DUEING PEOFESSOE HAYDEN'S 

 EXPEDITION TO THE YELLOWSTONE EIVEE IN THE SUMMEE OF 

 1871.— By Prof. Joseph Leidy. 

 II.— COLEOPTEEA.— By Geouge H. Horn, M, D. 



III.— NOTICES OF THE HEMIPTEEA OF THE WESTEEN TEEEITOEIES OF 

 THE UNITED STATES, CHIEFLY FEOM THE SUEVEYS OF DE. F. V. 

 HAYDEN.— By P. E. Uhler, 



IV.— NOTES ON THE SALTATOEIAL OETHOPTEEA OF THE EOCKY MOUNT- 

 AIN EEGIONS.— By Prof. Cyrus Thomas. 

 v.— LIST OF SPECIES OF BUTTEEFLIES COLLECTED BY CAMPBELL CAE- 

 EINGTON AND WILLIAM B. LOGAN, OF THE EXPEDITION, IN 1S71.— 

 By W. H. Edwards. 



VL— EEPOET ON THE EECENT EEPTILES AND FISHES OF THE SUEVEY, 

 COLLECTED BY CAMPBELL CAEEINGTON AND C. M. DAWES.— By E. 

 D. Cope, A. M. 



II. — BOTANY. 



VII.— CATALOGUE OF PLANTS.— By Prof. Thomas C. Porter. 



Vni. — ^MUSCL— DETERMEVfED BY LeO LESQUEREUX, ESQ. 



