STOASTOMA §. 5. 6. 
191 
21. ISt. GrayaotusAB Chitty *{* 
T. subdiscoidea, vivide brunnea; spira concavo-perdepressa, 
apice mammillata; anfr. 4 ^/ 3 , ultimis carinis spiralibus circa 
33 irregularibus et inaequidistaiitibus sculptus ; apertura semi- 
circularis, angulis supra et infra peripheriam vix modificata, 
leviter dilatata; labrum duplex: internum simplex, album, 
nitidum, externum carinis spiralibus pectinatum ; labium solu- 
tum, album, incrassatum et medio versus umbilicum reflexum, 
inferne valde ad dextram curvatum; umbilicus profundus et 
angustus, lamellis 4—5 distinctis, acutis munitus; lamella lab- 
ralis ubique late et acute producta, — Alt» 0,076, lat. max. 
0,105, lat. min. 0,0§7 poll. (Ch.) 
Fadyenia Gray ana Chitty 1. c. p. 177. 
Habitat „Yallahs Hill“ insulae Jamaicae. 
§. 6. Hemicyclostoma C. B. Adams mss. 
Testa subglobosa, characteribus typicis respondens. 
Stoastoma* [gQims restrictum) Chilly in Proc. Zool. Lond. 1837. p. 167. 178. 
Sloastomalis sp. C. B. Adams, Pfr. Mon. 
Obs. Animal Sioastomatis pisi a Chitty (1. c. p. 166.) adumbratum 
1H\ CT110S« 
Species. 
22. pisum C. B. Adams, (Coll. 3. — Chilly 178.) Pneum. II. p. ITO. 
23, Pfeifferiannra C. B. Adams. (Coll. 4. — 
Chilly p. 178.) - - - 171. 
24. Claltty- 
T. subglobosa, pallide flava; spira convexiusculo-^onica, 
modice elevata; anfr. 4^/3 vix convex!, ultimus carinis 11 ob- 
tusis, elevatis, distantibus; apertura perobliqua, semielliptica, 
leviter expansa; labrum pectinatum, duplex, levissime reflexum; 
Jabium bene solutum , sed carinis 5 — 6 cum anfr. con- 
tiguo connexum , superne ad sinistram arcuatum , angulum 
acutum cum labro formans, inferne valde ad dextram curva- 
tum; umbilicus angustus et profundus; lamella labralis superne 
valde producta, sed immediate in umbilico evanescens. — 
Alt. 0,081, lat. max. 0,103, lat. min. 0,08 poll. (,Ch.) 
1170 
1171 
1172 
1173 
