(;. MAI.I.EATA I'ilsbry, n. sp. PI. <;_>, figs. 3T>, 37, 38, 30, -in. 



Shell intermediate lift ween (7. nigrolineata and Cr. albopunctulata, 



more convex, larger and more solid than the former, dt-cidfdly more 

 flattened above than the latter sp.-cie-. Milky-translucent, tin- very 

 thin cuticle with a faint yellowish tint; apex a trifle projecting; 

 whorls about 2.V, the suture margined, ifs lust half turn /'.-/ 

 deviating than in C>. nigrolineata, l>f ing much as in G. 



but less descending. Surface with irregular growth- 

 wrinkles, numerous superficial spiral cords, and a generally distributed 

 fine malfeation, oblique in the peripheral region. Periphery well 

 rounded; baso-columellar margin with a broad membranous edge; 

 cavity of the spire well open ; peristome narrowly brown-edged. 

 Convexity 3.7, length 13, breadth 9.7 mill. 



Near San Juan, Porto Rico (Robert Swift). 



Differs from G. nigrolineata in the malleated surface and deviating 

 suture. G. fluvolineatd is described as larger, with obtusely suban- 

 gulate last whorl and decussated surface. G. albopunctulata is much 

 more globose and solid, but has much the same sculpture. 



G. ALBoruNCTfLATA Sliuttleworth. PI. G2, figs. 45, 46, 47, is. 



Shell rather solid, opalescent-whitish, covered with a very thin 

 epidermis ; plicatulate with hVxuons growth-lines, decussated and in 

 a manner obsoletely wrinkle-malleated by somewhat crispate spirals ; 

 spire minute, very shortly papillar ; whorls 2jj, very rapidly widen- 

 ing, a little c-onvex, the last whorl large, inflated, quite rotund, de- 

 scending in front, depressed and detlexed ; suture margined, >mne- 

 what ereindated. Aperture very oblique ; peristnine with the right 

 margin llexuously produced forward, basil and columellar margins 

 with a membranous margin. Alt. S, greatest diain. lit, lesser diam. 

 14 mill. 



Animal large, pellucid, white, spotted with opa()ue while dol>. 

 Liver pale grffiiish. 



//ii/inir,i,i. J'nrtn Rn-n, on tree trunks, very rare (Blauner). 



(,'. iif/injiiiiirfiififfa SMTTTI.., 1. c., p. 3(>. PKK., IMonogr. v, p. ]'2. 

 CI.-CP---I , .Journ. df ('(inchyl., IS'.I-J, p. -J-J. 



Larger, more -olid, and decidedly more globose than the other 

 -pecies, with the cavity of the apex more concealed. The sculpture 

 i- al-o <omewhat sH'onger. though the malleation is not clearly vis- 

 ible without a lens. The suture deviates far more than in <i. tifi/rn- 



