N 
bo 
CONCHOLOGIA CESTRICA: 
Animal, brownish-yellow, with rows of roundish white 
spots; head, neck, and upper tentacles, 
Jaw of DL, flavus. 
[B. & B.] 
bluish; posteriorly acutely keeled; man- 
tle large, gibbous, concentric-striate ; 
pulmonary orifice cleft in the edge of 
the mantle; lingual membrane very 
broad, with 100 rows of 85 teeth each, 42-1-42; buccal 

Lingual Dentition of L. flavus. —[B. & B.] 
Fig. 9, 

plate arcuate, ends square, with a projection on the con- 
cave margin; length 3 to 4 inches. 
Station, in cellars, yards, and gardens. Chester 
County ; frequent. 
Oxss.— An unwelcome foreigner from Europe, very 
common along our seaboard; especially in the cities, 
and adjacent to them. 
L. agrestis, Linn., Syst. Nat., Ed. x., 1., 1758. 
Limazx agrestis. — |B. & B.] 
Fig, 10. 

Ammal, pallescent, rufescent, or nigrescent; macu- 
lated; tentacles blackish; mantle oval, gibbous, con- 
centric-striate, one-third as long as the body; dorsal 
glands flattened, with the interspaces darker; respiratory 
orifice near the posterior, lateral, edge of the mantle, 
and bordered with white; length I to 2 inches. 
