/^6a : 



193 



the animal may be examined with a magnifier, shewing the 

 tentaciila and eyes. 



C. plana. Found on the inside of old shells. 



C. glauca. Fonnd near City ]Mills, and at Phillips Beach. 



C. convexa. On stones and old shells. This molluskhas 

 the hal)its of Lottia. It is not confined to any particular 

 place. I found a specimen on the inside of a valve of Petri- 

 cola. I put it in water, and during the night it had left the 

 shell, and vras adhering to ilie hottom of the dish. 



Bulla. 



B. insculpta. 



B. triticea. 



B. obstricta. 



B. Gouldii. 



B. debilis. 



B. canaliculata. 



Found in City Miil-Pond. 

 In Mill-pond, and in stomaclis of fishes. 

 In Mill-pond. 



) 



^ In stomachs of fishes iit Swampscott. 



Helix. 



H. 

 H. 

 H. 

 H. 

 H. 

 H. 

 H. 

 H. 

 H. 

 H. 

 H. 

 H. 

 H. 

 H. 

 cies— 



albolabris. 



alternata. 



striatella. 



arborea. 



electrina. 



indentata. 



lineata. 



chersina. 



pulchella. 



labyrinthica. 



exigua. 



minuscula. 



Tliose species have been found im- 

 der loose stones, wood and decayed 

 leaves, within half a mile of Great 

 V Swamp-meadow, which is situated in 

 the limits of Salem, and some of them 

 have been found in Swampscott and 

 Lynn. 



concava. 



minima. True, sp: nov? An exceeding small spe- 

 shell, minute, rounded-conical, smooth apex obtuse ; 

 epidermis of a uniform reddish horn color ; whorls four, 

 rounded above, and below, with a well defined suture. Ap- 

 erture rounded, lip simple and thin, umbilicus broad and 

 deep. Diameter about one-twentieth of an inch. If this He- 

 lix should prove to be undescribed, I would propose the name 

 of Helix miniina. 



Bulimus. 

 B. lubricus. Found under loose stones, near Great 

 Swamp. 



ESSEX IXST. PROCEED. VOL. ii. 25. 



