244 CATALOGUE OF PHANEROPNEUMONA. 
Oligogyra, Herrm. Ind. ij. 140 (correction). 
Ampullina (striata), Blainv. Man. Malac. 441, 1829. 
Compare Désh. in Lam. Hist. viii. p. 154, and Herrmannsen, 
Gen. Malac. i. p. 508; Suppl. p. 61. 
A. Peristome more or less toothed internally § 1. 
B. Peristome not toothed. 
a. Straight, thickened, blunt. 
a. Shell not keeled § 2 
B. Shell keeled § 3 
b. Straight, sharp. * 
a. Shell globose or rather conic . 4, 
B. Shell depressed, not keeled 5 
y. Shell depressed, keeled 6 
c. Expanded. 
a. Not keeled. 
1. Rather globose or conic. 
* Spiresmall. . . 
** Spire as high or higher 
than the last whorl 8 
BP. Depressed gc yea tet 
8. Slightly keeled . : : N 1 
y- Sharply keeled : : ye Tee | 
8. With two more or less distinct 
keels , iy Mbit: ie 
N. 
> 
§ 1. Peristome more or less toothed internally. 
1. HeticinA ADAMSIANA. 
1-7. 
8-17. 
18-25. 
26-35. 
. 36-43. 
44-45, 
46-69. 
70-88. 
89-105 
106-122. 
123-147. 
148-152. 
B. M. 
Shell depressed, rather thin, showing under a lens crowded con- 
centrical series of minute blisters, rather coarse, slightly shining, 
diaphanous, reddish; spire very shortly conoidal; whorls 53, 
rather flattened, last depressed, rounded on the periphery, not 
grooved anteriorly; aperture oblique, rather triangular; colu- 
mella perpendicular, very short, somewhat angulated at its 
base, dilated above into a thin, circumscript callus; peristome 
spreading angularly, slightly reflexed, with the upper margin 
shortly detached and straight ; columellar margin slightly toothed 
near the columella. Height 4}, greatest breadth 8, least br. 7 
mill. 
Helicina Adamsiana, Pfr. in Proc. Z. S. 1848, p.119; Zc. n. 1, 
p- 12, t. 7, f.16, 17; Pneum. Mon. p. 339. 
Hab.. Jamaica. 
