PHYSA.— Plate VIII. 



near the siitnre, roundly angular; aperture large, 

 striped ■with chestnut within near the border; 

 columellar fold rather thick, tortuous. 



SOWERBY. 



Hah. St. Margaret's, South Australia. 



Species C2. (Mus. Brit.) 



Physa m.'AMiDATA. Phij. (cstd soUcl'i, subaureo-fuscd, 

 pijriiinithitd, spird jji-oductd, anfractibus sex, ob/iquis, 

 sv:prcl uttenuatis, infrd injlatis ; ultimo anfractu 

 ventricoso, suhfusiformi ; aperturd auriformi, labio 

 interna crassiitscido, plied columellari clevata. 



The ryRAJiiDAL Physa. Shell solid, rather golden- 

 bro\\T], pyramidal, spire produced, whorls six, 

 oblique, attenuated above, inflated beneath ; last 

 whorl veutricose, rather I'usitbrm ; aperture auri- 

 form, inner lip rather thick, columellar fold 

 elevated. 



SOWERBT. 



Hab. Australia. 



A shell of graceful form resembling in the slope of 

 the whorls Liiiinaia staijiialis, which are too oblique 

 and attenuated for the most aberrant form of Physa 

 longana. 



Species Go. (Mus. Brit.) 



Physa amygdali-s. Phii. iestd magna, ohlongd, ovaid, 

 solidd, lan'iijafd coineo-J'umi ; spird breviiisculd, 

 anfractibus paucis, iuflatis ; ultimo anfractu ovuto, 

 postice subattemialo, antice magis inflalo ; aperturd 

 magna, inthn subaured, semipellucidd, casfaneo 

 fasciatd ; labia externa flexuoso ; labia interna 

 pallida, late reflejo, plied columellari crasso, rectius- 

 ciila. 



The Almond Physa. Shell large, oblong, ovate, solid, 

 smooth horny-brown ; sjiire rather short, whorls 

 few, inflated ; last whorl ovate, posteriorly slightly 

 attenuated, anteriorly more inflated ; aperture 

 large, rather golden within, semipellucid, banded 

 with chestnut ; outer Up flexuous, inner lip pale, 

 broadly reflected; columeUar fold thick, rather 

 straight. 



Sowerby. 



Hab. Texas, North America. 



One specimen of this fine species is preserved in the 

 British Museum. 



Species 64. (Mus. Orbigny in Brit.) 



Physa striata. Phy. testa parvd, ovatd, tenui, corned, 

 minutissime concentrice radiatimcpie striatd, spird 

 hrevi, acuminata, ultimo anfractu ovata ; aperturd 

 magnd, plied columellari incanspicud. 



The striated Phvsa. Shell small, ovate, thin, horny, 

 very finely concentrically and radiately striated, 

 spire short, acuminated, last whorl ovate ; aper- 

 ture large, columellar fold not conspicuous. 



D'OiiEiGXY. Mollusoaof Cuba, p. 192, PI. XIII. f 14-16. 



Hab. Cuba. 



A lens is required to see the striation in both direc- 

 tions which characterizes this little species. 



Species 6.'). (Mus. Brit.) 



Physa vitr-Ea. Phy. testa tenui, albidd, translueidd, 

 fusifonni, vitrcea ; spiixl subelevatd, obttisd, anfrac- 

 tibus paucis, iuflatis ; tdtimo anfractu oblonga ; 

 aperturd sentiovatd ; pilicd columellari rectiiisculd. 



The glassy Physa. Shell thin, whitish, translucid, 

 fusiform, glassy ; spire a little elevated, obtuse, 

 whorls few, inflated ; last whorl oblong ; aperture 

 semi-ovate ; columellar plait rather straight. 



Parreys. ? 



Hab. Lake Mareotis, Egypt. 



Species 66. (Mus. Taylor,) 



Physa disrar. Phy. tesfd fusifonni, acuwinatd, 

 tenuiter sinnatin rvgatd, in jtartibus fuseo- 

 ni-beseenti, in j'artibus stramined ; spird ])?-oductd, 

 attenuatd, apice acuminato ; anfractibus obliquig, 

 attenuatis ; ultimo anfractu oblonga, aperturd 

 antice atteniuitd, plied columellari haud prominenti, 

 vix arcuatd. 



The dissimilar Physa. Shell fusiform, acuminated, 

 finely sinuously wrinkled, in parts I'eddish-brown, 

 in parts straw-coloured; spire produced, attenuated, 

 apex acuminated ; whorls oblique, attenuated ; 

 last whorl oblong, aperture anteriorly attenuated, 

 columellar fold not prominent, scarcely arched. 



Sowerby. 



Hab. Sydney, New South Wales. 



This form does not appear to have been hitherto 

 described. 



