PHY SA.— Plate III. 



culo, rotundato, mhstriato, post columellam ex- 

 cavate ; aperturd magnd, latd, intus pallide rosed ; 

 jtlica columellai-t rectimcida, elongatd, lahio externo 

 oblique producto. 



Newcomb's Phtsa. Shell ovate-subglobose, golden 

 straw-coloured ; spire produced, acuminated, 

 ^whorls rounded, distinct ; last wliorl large, rather 

 short, rounded, slightly striated, hollow behind 

 the columella ; aperture large, broad, pale rose 

 within, columellar fold rather straight, elongated ; 

 outer lip obliquely produced. 



Adams and Angas. Proc. Zool. Soc, 1863, p. 416. 



Hab. Central Australia. 



Species 22. (Mus. Brit.) 



Phvsa SalleaNjE. Phy. testd tenui, politd, cornea, 

 pallide purpurea, spird acuminata, attenuatd, 

 ultimo anfractu ovato, angusto ; apcrturd antice 

 latiusculd, intils pallidissime rosed ; plica columd- 

 lari brevi, crassd, tortud. 



Salle's PhtS-I. Shell thin, polished, horny, pale 

 purple, spire acuminated, attenuated, last whorl 

 ovate, narrow ; aperture anteriorly rather broad, 

 very pale pink within ; columellar fold short, 

 thick, tortuous. 



Pfeiffer. Proc. Zool. Soc. 1853, p. 53. 



Hah. St. Domingo. 



A smooth shell belonging to the same group as 

 Physa Peruviana, with a much more acuminated spire. 



Species 23. (Mus. Brit.) 



Phtsa acuminata. Phy. testd angustd, cylindricd, 

 corned, semipellucidd, politd ; spird exsertd, 

 acuminata ; ultimo anfractu cylindraceo, elongato ; 

 aperturd angustd, plied columellari ohliqud. 



The .acuminated Phtsa. Shell narrow, cylindrical, 

 horny, semipeUucid, polished ; spire exserted, acu- 

 minated ; last whorl cylindrical, elongated ; 

 aperture narrow, columellar fold oblique. 



Gi;at 2 MS. Brit. Mus. 



Hah. St. Thomas's Isl. W. Indies. 



A little resembling the preceding, but narrower and 



more cylindrical. 



Species 24. (Fig. a, b, Mus. Brit.) 



Phtsa obesa. Pity, testd suhviride fused vcl ferru- 

 gined, turbinatd, postice ti-uncaid ; spird vix ex- 

 sertd, anfractibus planulatis, angulatis, ad angulum 

 carinatis ; idtimo anfractu postice lata, antice sub- 

 acuminato ; aperturd postici quadratd, intus pallide 

 rosed ; jilicd columellari tenui, subtortud. 



The fat Phtsa. Shell greenish brown or ferruginous, 

 turbinated, posteriorly truncated ; spire scarcely 

 exserted, whorls flattened, angular, keeled at the 

 angle ; last whorl broad posteriorly, subacu- 

 minated anteriorly; aperture posteriorly qua- 

 drate, pale pink within ; columellar plait thin, 

 somewhat tortuous. 



H. Adams. Proc. Zool. Soc. 



Hab. Fitzroy River. 



