STOASTOMA §. 5. 6. 191 



21. fSi. Grayaiiii!» ChiUy f ii7o. 



T. subdiscoidea, vivide brunnea ; spira concavo-perdepressa, 

 apice mammillata ; anfr. 4^/3 , ultimis carinis spiralibus circa 

 33 irregularibus et inaequidistantibus 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; lanielia lab- 

 ralis ubique late et acute producta. — Alt. 0,07(3, lat. max, 

 0,105, lat. min. 0,087 poll. (Ch.) 

 Fadycnia Grayana Chitty 1. c. p. 177. 



Habitat „Yallahs Hill" insulae Jamaicae. 



§. ^. Hemicyclostoma C. B. Adams mss. 



Testa subglobosa, characteribus typicis St.pisi respondens. 

 Stoastoma (geuus restrictum) Cliitty in Proc. Zool. Lond. 1837. p. 167. 178. 

 Stodstomatis sp. C. R. Attams, Pfr. Mon. 



Obs. Auimal Stoastornatis pisi a Chitty (1. c. p. 166.) adunihratiim 



Species. 



22. pisum C. B. Adams. (Coll. 3. — C/iitty \^. 178.) Pneum. II. p. 170. jiyj^ 



23. Pfeifferianum C. B. Adams. (Coll. 4. — 



Chitty p. 178.) - -- 1'1. 1172. 



24. St. liiYesayasiiim CUittj» f 1173. 



T. subglobosa, pallide flava; spira convexiusculo-vonica, 

 modice elevata; anfr. 42/3 vix convexi, ultimus carinis 11 ob- 

 tusis, elevatis, distantibus; apertura perobliqua, semielliptica, 

 leviter expansa; labrum pectinatum, duplex, levissime reflexum; 

 labium 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- 

 lum; umbilicus angustus et profundus ; lamella labralis superne 

 valde producta, sed immcdiate in umbilico evanescens. — 

 Alt. 0,081, lat. max. 0,103, lat. min. 0,08 poU. (Ch.) 



