THE LAND SNAILS OF NEW ENGLAND. 
BY EDWARD S. MORSE. 
HELIX TRIDENTATA Say. (Figs. 8,9.) The shell of this 
species is depressed, and of a yellowish horn color ; whorls 
Figs.8,9. five or six, slightly convex. Aperture con- 
— tracted by the reflected lip, which has two 
teeth, and with a curved tooth on the inner 
lip forms a trilobed aperture. The whorls 
are obliquely striated, and the umbilicus is 
open. Diameter about one-half an inch. 
Guus” The animal is of a dark bluish slate color. 
This species is widely distributed throughout the Unit- - 
ed States, but is not common in New England. It has 
never been found in Maine, or New a eS or in the 
eastern part of Massachusetts, and occurs only rarely in 
the western part of the last-mentioned State. Dr. Bin- 
ney states that he has most commonly found it under lay- 
ers of wet and decaying leaves in forests. 
HELIX PaLLIATA Say. (Figs. 10,11.) Shell depressed, 
dark brown or chestnut color, covered with minute sti 
Figs. 10,11. hairs which give the surface a roughened ap- 
pearance. Whorls five, flattened above ; ap- 
) erture three lobed, much contracted by the 
lip and teeth. Lip widely reflected, with 
two projecting teeth on the inner margin 5 
the one at the base long and slightly prom- 
inent, the one above acute and prominent ; 
~ inner lip having a broad white tooth pro- 
jecting Taled from the shell; umbilicus covered by a 
white callus, being an extension from the lip. Diameter 
nearly one inch. Animal blackish slate color. It is found 
Bo am stk, he 
