Mollusks of Wostorn Now York- 



Helix solitaria. Say. Large, two or three bands. 



fallax. Say- Elevated, resembles H. tridentata. 



exoleta. Binney. Large tooth, resembles albola- 



bris. 



elevata. Say. Dentate, elevated, resembles albola- 



bris. 



profnnda. Say. Large, yellowish, banded. 



multilineata. Say?. Yellowish, many red band& 

 Limnaea reflexa. Say. More slender than L. umbrosa. 

 Bulinus integer. Hold. Pointed, oval, yellowish. 

 Unio anodontoides. Lea. Yellow, polished, thick. 



Boydianus. Lea. Resembles ochraceus. 



cocclneus. Lea. Brown, roundish, nacre pink.. 



distans. Lea. Oval, smooth. 



ellipsis. Lea. Brown, elliptical. 



elegans. Lea. Angular, heavy, green. 



fabalis. Lea. Ovate, small, black. 



heterodon. Lea. Small, compressed, teeth re- 

 versed, 



hippopseus. Oval, plicate. 



multiradiatus. Lea. Inflated, many green rays. 



phaseolus. Hild. Dark, compressed, heavy, 



pnstnlatas. Lea. Quadrate, nodulous. 



spatulatus. Yellowish, oblong ovate. 



triangnlaris. Barnes. Triangular, green. 



trigonus. Lea. Triangular, brown. 

 Margaritana complanata. Barnes. Winged, compressed. 



Hildrethiana. Lea. Smooth, small. 

 Anodonta feimginea. Lea. Oval. 



Tryonia. Lea. Oval, small. 



Some will have access to De Kay's Shells of New York T 

 and may be glad to know of necessary changes in nomen- 

 clature. For Arion hortensis read A. fuscus, for Vitrina 

 pellucida, V, limpida ; in several places substitute Zonites 

 for Helix. H. electrina is Z. viridulus. H. subglobosa em- 

 braces H. hortensis and nemoralis ; H. diodonta is H.Sayii; 

 H. minuta is H. pulchella; H. chersinais Z. fulvus. For H. 



