P H Y S A. 



Species 32*. (Mus.- 



PUYSA TKOPICA. Phtj. testa mhrjliilmm, nlhiild, ep'uler- 

 mide obscure subviridi indnta ; spira brevihsni/d, 

 anfractibus rotuiulis, distinctis ; ultimo anfracta 

 raids injlato, rotmdo, post columellam excavato : 

 aperturd rotunda, spiram lon(jitijdine siijieranti, 

 oblique prodiictd, coliimelld leviter arcnatd. 



TiiK TitOPiCAL Phvsa. Shell subglobose, wliitisli, 

 clothed with a dull greeni'sh epideniiis; sjiire 

 rather short, whorls rounded, distinct ; last 

 whorl much inflated, rounded, excavated behind 

 the columella ; aperture rounded, longer than the 

 spire, obliquely produced, columella slightly 

 curved. 



Ki;aUss. Sudafrikanischcn IMolluskm, tab .'>, ilg. 12. 



Hub. South Africa. 



Species .3;5. (Fig. a, b, Mus. Brit.) 



PuYSA LATILAIUATA. PliiJ. tcstd fulcd, Irevi, l<rvi, Sllb- 

 pi/raiiiidatd ; spird apeituram fcri: loiujiluiliiic 

 cequanli; anfractibus rotundissimis, brevibus; iillimu 

 anfractu brevi, rotundo, post columellam nmbilicalo ; 

 aperturd subovatd, lahio externa arcvato, labia 

 interno crasso, late rejlexo ; columelld latissiind. 

 elevatd, crassd,fere redd, plied iiidistinctd. 



The wide-lipped Phvsa. Shell fulvous, short, smooth, 

 rather pyramidal ; spire nearly equal in length to 

 the mouth ; whorls rounded, short ; last whorl 

 short, round, umbilicated behind the columella ; 

 aperture subovate, outer lip arched, inner lip 

 thick, widely reflected ; cnlumolla very wide, 

 elevated, thick, nearly straight, plait indistinct. 



IriciwEP.BY. 



Hub. Victoria River. 



This species has two remarkable cliaracters, namely, 

 the umbilicus in the body whorl, and the very broad 

 columella. 



Species 34. (Mus. Brit.") 



Physa omvacea. Phi/, testd anrjustd, subfusiformi, 

 obscuri' ullrai-cd. .soli /ii/sciiJ.i : spird elevatd, aper- 

 turain tninjitndin, (rf/innili, 1 1 nfrnctibus subangulatis, 

 uno api<(i/i iiiatiiiiiilliitii : <iuj'ractu ultimo postice 

 angulato, aperturd iiitits castaned ; plied columellari 

 breviiisculd. 



The OLiVACEOfs Piiysa. Shell narrow, subfusiform, 

 dull olive, rather solid ; spire elevated, equalling 

 the aperture in length, whorls rather angular, the 

 apical one mammillated ; last whorl posteriorly 

 angular ; aperture chestnut witliin ; columellar 

 fold rather short. 



Adams and A.N.iAs. Proc. Zool. Soc, 18G3, p. 416. 



Ilab. Arnheini's Laud. Australia. 



Species 35. (Mus. Brit.) 



Piiysa co.ncinxa. Phi/, subovatd, con 



Ihicidd ; 



spird breviiisculd, anfractibus panels, convexis ; 

 nltimo anfracta subci/lindrico ; aperturd subovatd, 

 intits jirojie marcjineia fulvo fasciatd, plied eolamel- 

 lari subspiraliter tortud. 



The neat Puysa. Shell subovate, horny, pellucid ; 

 spire rather short, whorls few, convex ; last whorl 

 rather cylindrical ; aperture subovate, with a 

 fulvous band inside near the margin, columellar 

 fold rather spirally tortuous. 



Adams and Axgas. Proc. Zool. Soc, 1803, p. 417. 



Hub. Arnheim's Land. 



Species 3(5. (Mus. Brit.) 



Piiysa gyrina. Phy. testd ovato-subcyliiidricd, politd, 

 pallide succined, semipellucidd ; sjrird conicd, an- 

 fractibns convexiusculis ; ultimo anfractu sub- 

 fi/lindriro ; aperturd elongatd, spiram lonrptudine 

 iiiulto superauti, intiis prope manjinem castaneo 



Pebru^i 



