CONTENTS. 



I. New Genera and Species of Fossils from the Niagara Shales. 



By EucENE N. S, Ringueberg 5 



II. Fossils from the Waterlime Group Near Buffalo, N. Y. Bj' 



Julius Pohlman, M. D . .23 



III. Nidification of Birds on the St. Clair Flats. By J. H. Langille. 33 



IV. Nonagria subcarnea, n. s. By D. S. Kellicott. ... 40 

 V. Hydreomena traversata, n. s. By D. S. Kellicott. . . 45 



VI. The Gape Worm of Fowls (Syngamus trachealis); The Earth- 

 worm (Lumbricus terrestris) its Original Host. 

 Also, On the Prevention of the Disease in Fowls called 

 the Gapes, which is caused by this Parasite. By H. D. 

 Walker. .......... 47 



VII. Ventriloquial and Imitative Powers of Birds. By E. E. Fish. 72 

 \'1II. Notes on the Fossil Fishes of the Genesee and Portage Black 

 Shales. By Herbert U. Williams. .... 



IX. Fish Remains from the C'^rniferous, Near Buffalo. By Fred 



K. Mixer and Herbert U. Williams. 

 X. Native and Naturalized Plants of Buffalo and its Vicinity 

 Second Supplement. By David F. Day. 

 XI. The Thickness of the Onondaga Salt Group at Buffalo, N. Y 



By Julius Pohlman, M. D. 



XII. The Mills Collection of Fresh-Water Sponges. By David S 

 Kellicott, Ph. D. 



XIII. List of the Macro-Lepidoptera of Buffalo and Vicinity. By 



Edward P. Van Duzee. ....... 105 



XIV. A List of the Hemiptera of Buffalo and Vicinity. By Edward 



P. Van Duzee. 167 



XV. Descriptions of Some New North American Homopterous 



insects. By E. P. Van Duzee. . ... 205 



XVI. The Pendulum and its Laws of Oscillation. By Austin M. 



Edwards. ■-.■..... 217 



XVII. A Preliminary Review of the North American Delphacidae. 



By E. p. Van Duzee. ....... 225 



General Index. ......... 262 



