﻿PLAJSrORBIS.— Plate XIV. 



The compressed Plasorbis. Shell compressed, ratlier 

 broad, pale, smooth, dextral, narrowed above, 

 broad below, somewhat keeled, spire depressed ; 

 aperture obliquely pyramidal, angular above, 

 lower margin produced. 



Hdtton. Journ. Asi. Soc. Beng. Vol. III. p. 91. 



Planwhis Tondancnuis. Moussou. 



Hah. River Ganges. 



Species 119. (Mas. Brit.) 



Planoebis DENTIFEKDS. Pla. testa angustd, tumidd, 

 albidd, spird ijlaniusculd; aiifnictibiis quaternis, 

 altis, S'wpernb ventrieosis, inferne suliaiigusiatis, 

 disco inferiori subanguste excavato; aperturd 

 magna, aririformi, stipra infraqtie ultimwrn anfrac- 

 tumproductd, longc intiis quiiiqiiefariam lamiiiati)ii 

 dentatd. 



The tooth-bearing Planorbis. Shell narrow, tumid, 

 whitish, spire rather flat ; whorls four, high, 

 ventricose above, slightly narrowed below, lower 

 disc rather narrowly excavated ; apei-ture large, 

 ear-shaped, produced above and below the last 

 whorl, with five laminar teeth far within. 



Adams, C. B. Contributions to Conchology. 



Hah. Jamaica. 



Species 120. (Fig. a, b, Mus. Hanley.) 



Pl.ooebis htptioctclos. Pla. testa tumidd, albidd, 

 dextrali, spird depressd; anfradibus tribus, latius- 

 Cfulis, svpra sutiiram tumide elevatis; aperturd 

 stipra suturam elevatd, tiim declivi, margine in- 

 feriori obliqud, disco inferiori excavatd. 



The reflected Planoebis. Shell tumid, whitish, 

 dextral, spire depressed ; whorls three, rather 

 broad, raised in a swelling above the suture ; 

 aperture raised above the suture, then sloped, 

 lower margin oblique, lower disc excavated. 



Benson. Ann. Nat. Hist. 18G3, Ser. III. Vol. II. p. 

 89. 



Hab. Ceylon. 



Species 121. (Fig. a, b, ilus. Hanley.) 

 Planorbis eotula. Pla. testd parvd, paUide ftdvd, 

 tmn'xliiucu'd^ Imvigatd, dextrali, spird depressd; 



anfradibus quinis, convexis, supra suturam paul'} 

 elevatis, disco inferiori lath concavo, aiifractibus 

 rotundis ; aperturd oblique ovatd. 



The little wheel Planoebis. Shell small, pale ful- 

 vous, rather tumid, smooth, dextral, spire de- 

 pressed ; whorls five, convex, a little raised above 

 the suture, lower disc broadly cooicave, whorls 

 round ; aperture obliquely ovate. 



Benson. Ann. Nat. Hist. 18G3, Series II. Vol. V. p. 

 :3.51. 



Hab. Moradabad. 



Species 122. (Fig. a, b, Mus. Brit.) 



Planoebis coeinna. Pla. testd parvd, albidd, Icevi- 

 gatd, dextrali ; anfradibus quaternis, rotundis, 

 distinctis; disco superiori subdepresso,disco inferiori 

 concavo; aperturd transverse subovatd. 



The coeinna Planoebis. Shell small, whitish, smooth, 

 dextral; whorls four, rounded, distinct; upper 

 disc rather depressed, lower disc concave ; aper- 

 ture transversely snbovate. 



Geat. Proc. Zool. Soc. IBoO. 



Hab. New Zealand. 



Species 123. (Fig. a, b, Mus. Brit.) 



Planoebis inteetextus. Pla. testd angusta, altd, 

 sinistraU, tenuissitne striata, castaned, distanter 

 concentrice albo-fasciatd et nigro-lineatd, spird 

 medio anguste infundibulatd ; anfradu ultimo 

 stipra suturam angulatim elevate, disco inferiori 

 lato, angulato, excavato ; aperturd altd, subtri- 

 gond, intiis grised. 



The textile Planoebis. Shell narrow, high, sinis- 

 tral, very finely striated, chestnut, distantly 

 concentrically white-banded and black-lined, 

 spire narrowly funnelled in the middle ; last 

 whorl raised above the suture in an angle, lower 

 disc broad, angular, hollow ; aperture high, sub- 

 trigonal, grey within. 



Shdttleworth. ? MS. Brit. Mus. 



Hab. Florida. 



Resembling Planorbis biangulatus, excepting in the 



wliite bands bordered by dark lines appearing on the 



surface of the outer whorl. 



