PHYSA.— Plate I. 



Species 5. (Mus. Sowerby.) 



Phtsa subinflata. Phy. testa brevi, inflatd, ovato- 

 acuminatd, pallide corned; spird brevi, acummatd ; 

 aitfractibus rapidi crescentibus, ultimo inflato, ovali; 

 aperturd subpyriformi ; 7nargine vix contracto ; 

 cobimelld obliqvd, plica vix conspicud. 



The scbinflated Phtsa. Shell short, inflated, ovately 

 acuminated, pale horn ; spire short, acuminated ; 

 whorls rapidly increasing, the last inflated, oval ; 

 aperture rather pyriform, with margin scarcely 

 contracted, columella oblique, fold scarcely con- 

 spicuous. 



Sowerby. 



Hob. S. Australia. 



Much more ovate and acuminated than either Plujsa 



iiiflata or Fh. Newcombi, with the latter of which it i* 



associated in the text. 



Spc 



C. (Mus. Brit.) 



Phvsa AlicijE. Phy. testa suhovatd, fumoso-fuscd, liris 

 spiralibus subdistantibus, paulo clevatis, ciliatis et 

 striis longitudinalibus cancellaid ; spird brevi, 

 acuminata, ultimo anfractu prope suiwam angv- 

 lato ; aperturd suhovatd, magna, plied, conspicud. 



Alice's Physa. Shell subovate, smoky-brown, can- 



cellated with rather distant sliglitly elevated, 

 ciliated ridges and longitudinal striae ; spire short, 

 acuminated, the last whorl angulated near the 

 suture ; aperture rather oval, large, plait con - 

 spjicuous. 



Reeve. Proc. Zool. Soc. 



Hub. India. 



Species 7. (Figs. 7 and 7 b, c, Plate XI. 

 Mus. Sowerby.) 



Physa HTPNOnuii. Phy. testd elongald, acuminata, 

 nitenti, succined ; spird aperturam longitudine 

 cequanti, anfractibus paucis obliquis, attenuatis ; 

 aperturd angustd, plied columcUari conspicud, 

 tortud. 



The moss Phtsa. Shell elongated, acuminated, shining, 

 amber coloured ; spire equalling aperture in 

 length, whorls few, oblique, attenuated ; aperture 

 narrow, columella plait conspicuous, tortuous. 



LINN.EUS (Bulla). Systema Naturae. 



Hah. Great Britain ; France ; Eurojie generally ; 

 United States (var. 7 b). 

 The specimen figured (7 b) from Michigan near the 



Rapids is much larger than the European examples, but 



presents all the same characteristics. 



