PHYSA.— Plate IX. 



Species 72. (Fig. a, b, Mus. ? Copied.) 



Phtsa distorta. P/iy. testd parva, pallide corned, 

 suhovatd, spird hrevi, anfractibus duobus aut tribus, 

 penultiino inflato, subquadrato ; ultimo anfractu 

 subcyllndraceo, prope suturam tumido, subanriidato ; 

 columella laid, leviter arcuatd. 



The distorted Physa. Shell small, jMile horn, 

 subovate, spire short, whorls two or three, the 

 penultimate inflated, subquadrate ; last whorl sub- 

 cylinJrieal, tumid, subangular near the suture; 

 columella broad, slightly arched. 



Haldeman. Physada;, p. 35, PI. V. f. 1-3. 



Ilab. North America. 



Species 73. (Mus. Brit.) 



Physa elliptica. Pliij. testi'i ehmgato-mhovatd, Jusco- 

 subolivaced ; posticc subattenuatd ; spird productd, 

 conicd; aperturd iiiius mired, prope marginem cas- 

 taneo fasciata ; labio interno pallida, albo mar- 

 yinato, columella crassd, plied inconspicud. 



The elliptical Phtsa. Shell elongate, subovate, 

 rather olive-brown ; posteriorly subattenuated ; 

 spire produced, acuminated ; aperture golden 

 within, banded with chestnut near the margin ; 

 inner lip pale, white-edged, columella thick, plait 

 inconspicuous. 



Lea. Ann. Phil. Soc, vol. v. PL XIX. f. 83. 



Hob. Indiana. 



Not sharply mucronnte in the spire as is the case 

 with Physa yyriua of Say. 



Species 74. (Mus. Brit.) 



Phtsa ventricosa. Phy. testd ovatd, politd, ventricosa, 

 succined ; spird breviusculd, acuminata ; ultimo 

 anfractu ovato ; aperturd magna ; columelld rectius- 

 culd, plied inconspieud. 



The ventricose Pktsa. Shell ovate, polished, vent- 

 ricose, amber; spire rather short, acuminated; 

 last whorl ovate ; aperture large ; columella 

 rather straight, plait inconspicuous. 



GniLDis. Zool. Journ. 



Eah. St. Vincent's, West Indies. 



Species 75. (Mus. 



■ ? New York.) 



Physa cylinhrica. Phy. testd oblongd, cylindraced, 

 solidd, palide rubro-fuscd ; spird hrevi, conicd ; 

 idtimo anfractu oblongo, angusto, recliusculo ; 

 apertiird elongatd, labio externa rectihscido, prope 

 marginem castaneo fasciato ; labio interno pallidd, 

 ciilunu'lln crassd, subplatiulatd, rectiilsculd. 



The cylindrical Phtsa. Shell oblong, cylindrical, 

 solid, pale red-brown ; sjiire short, conical ; last 

 whorl oblong, narrow, rather straight ; aperture 

 elongated, outer lip rather straight, banded with 

 chestnut near the margin ; inner lip pale, columella 

 thick, rather flat, rather straight. 



De Kay. Shells of United States. 



Hab. Red Creek, Indiana. 



Species 76. (JIus. Brit.) 



Physa fusca. Pliy. testd parvd, subovatd, nitenti, 

 fuscatd, semipelhicidd ; spird productd, acuminatd, 

 anfractibus subrotimdis ; ultimo anfractu amplo, 

 aperturd suhauriformi ; columelld leviter arcvatd. 



The drown Physa. Shell small, subovate, shining, 

 brown, semipellucid ; spire produced, acuminated, 

 whorls rather round ; last whorl full, aperture 

 somewhat auriform ; columella slightly curved. 



KOSMASLER ? 



Hab. Iviver Mazarin. 



Species 77. (Mus. Brit.) 



Physa Benguelensis. Phy. testd fusiformi, utrinque 

 acuminatd, pallidd, leviter rugatd; spird aperturam 

 longitudine superanti, acuminatd ; anfractibus 

 tribus, obliquis, convexis ; ajierturd antice sub- 

 attemiatn. 



The Benguela Physa. Shell fusiform, acuminated ; 

 at both ends pale, lightly wrinkled; spire 

 exceeding aperture in length, acuminated ; whorls 

 three, oblique, convex ; aperture a little attenuated 

 anteriorly. 



SOWERBY. 



Hab. Benguela, Kgypt. 



