189 



PROCEEDINGS OF THE BOSTON SOCIETY OF 

 NATURAL HISTORY. 



H^= Vol. i. 138, October, 1843. 



Pupa [Cylindrella] porrecta. T. gracillima, fusiformi, glabra, 

 pellueida, maculis albis subquadratis obscure tessellatis ; anfr. circiter 

 24, ultimo disjuncto et valde porrecto ; apertura campanulata, sub- 

 quadrata ; peristomate albo, reflexo. Axis, f ; diam. T -L poll. In- 

 habits Cuba. J. Bartlett. 



About eight of the whorls are usually broken from the summit. 



Pupa lyrata. T. parva, plerumque sinistrorsa, castanea, late 

 umbilicata; anfr. 5 convexis, costulis flexuosis ad 20 concinne clathra- 

 tis: apertura suborbiculai'is, campanulata, postice dentibus duobus 

 lamellosis, in faueibus duobus alteris, armatil. Long. ^ ; breadth, 

 ■^o -f inch. Found at Maui, Sandwich Islands. 



Q2P* Also published in Journal iv. 452, January, 1844. 

 Shells received from Rev. Francis Mason, Tavoy, British Burmah. 

 Helix procumhexs. T. discoidea, supra planulata, subtus con- 

 vexa, epidermide pallide cornea, late umbilicata ; anfr. quatuor, 

 ultimo deflecto ; apertura rotundata, labro reflexo, albo. Diam. | ; 

 alt. i poll. 



Belongs to the group of which H. jjlanulata is the type. [Said to 

 be H. delibrata Benson, Journ. Asiat. Soc, 1836.] 



Helix inprendens. T. orbiculata, depresso-conoidea, corneo- 

 virescente, subcarinata, supra rugose striata, infra glabra, nit id a, 

 regione umbilicali indentata, ; anfr. 7 convexis, sutura impressa ; aper- 

 tura coaretata, labro vix reflexo, dentibus tribus pliciformibus in- 

 struct;!. Diam. | ; alt. ^ poll. 



Very closely allied to H. rangiana Fer. 



Helix (Caracolla) gabata. T. albido-cornea, supra planulata, 

 infra valde convexa, lata, et profunde umbilicata; anfr. 4£, leviter 

 striatis, ultimo carina castanea circumdato; apertura subquadrata, 

 labro albo, reflexo. Diam. -| ; alt. ^ poll. 



Much like H. scabriuscula in form and aperture, but quite different 

 as to surface, color, and umbilicus. 



Helix (Caracolla) retrorsa. T. orbiculata, sinistrorsa, utrinque 

 convexa, pallide castanea, arete umbiUcata; anfr. 5, lineis longitudi- 

 nalibus et volventibus minute rugosis, ultimo carinato ; apertura 

 rotundata, labro acuto. Lat. 1| ; alt. 1 poll. 



Young specimens might be confounded with H. Himalana Lea, 

 which is much more rounded, the surface smoother, the carina quite 

 indistinct, and the umbilicus smaller. 



