NATURAL SCIENCES OF PHILADELPHIA. DAT 
VITRINA EXILIs, Morel. 
Petropaulouski, W. H. Dall. The species is also found in 
Alaska. | 
Jaw and lingual membrane as usual in the genus, the former 
with ends somewhat recurved as in our figure of Zonites arboreus 
(1. c. p. 83). About seven lateral teeth. 
Hewix Moornana, W. G. Binney. (Polygyra.) 
Bosque County, Texas. Mr. Hugo W. Ericsson. 
Jaw! with about fifteen, adjoining, broad ribs, denticulating 
either margin. 
Lingual membrane as in Polygyra.' 
Herix Hazarpi, Bland. (Polygyra.) 
Munroe Co., Tennessee, Miss Annie EK. Law. 
Jaw as usual in Polygyra, ribs adjoining, stout, denticulating 
either margin. 
Lingual membrane as in HZ. auriculata (see our fig. 1. c.). 
HELIX AURIFORMIS, Bland. (Polygyra.) 
Savannah, Georgia. 
Jaw with ribs as usual in the subgenus—see last species. 
Lingual membrane as usual in the subgenus. (See H. Mooreana, 
above.) 
Heix urrsuva, Say. (Stenotrema.) 
New Jersey, T. Bland. 
Jaw as usual in the subgenus.? Lingual membrane already de- 
scribed by us. (1. c. p. 119, fig. 197.) 
HELIx sPINosA, Lea. (Stenotrema.) 
Philadelphia, Munroe Co., Tenn. Miss Annie E. Law. 
Jaw as usual in Stenotrema.? 
Lingual membrane as usual in the subgenus.? 
HELIX RuGELI, Shuttleworth. (7 rdodopsis.) 
Philadelphia, Munroe Co., Tenn. Miss Annie H. Law. 
1 See our figures 1. c. p. 87 and 92. 
2 The jaw in Stenotrema is arcuate, ends blunt, anterior surface with 
crowded, broad ribs, denticulating either margin. See our figure of the 
jaw of H. monodon, |. c. p. 122, fig. 204. For lingual membrane, see fig. 
205. 
