L I M N tE A. 



Plate VII. 



Fig. 35, /', c. 

 These two shells, together witli the white variety 

 copied at Plate XV., may now be taken to represent 

 the true species, Lni. emauginat.v, of Saij, to the exclu- 

 sion of the pyramidal species wrongly figured under 

 their name in PI. VI. f. 35. This is Limn.tc.v i-yii.v- 

 MUiATA, Plate IX. Sp. 58. 



Fig. 43. 



This sliell proves to be only a lightly-coloured 



variety of Limn.'ea diaph.^na, King. Species 3(). 



For Species 43, 



See Plate X., LiM. macuostoma. 



Species 44. (Mus. Cuming.) 



LiMN^A PROxniA. Lim. testa auijuste, pijramidatd, acu- 

 minata, cornea, substriata, spird atteimatd, anfrac- 

 tibus septem, 'ad latera rectis, aperlurd angustd, 

 brevi, castaneo prope marginem nnifasciato, colu- 

 mella latiusculd. 



The APrKOxiM.^TE Limn.^a. Shell narrow, pyramidal, 

 acuminated, horny, slightly striated, sjiire atte- 

 nuated, whorls seven, straight at the sides, aper- 

 ture narrow, short, with a chestnut, band near the 

 edge ; columella rather broad. 



Lka. ? MS. in Brit. Mus. 



Hah. San Antonio. 



Differing from Limnaxi i-ejk.ni (Say), in the straight- 

 ness of the sides of the whorls. 



Species 45. (Fig. a, b, Mus. Brit.) 

 LiMNiEA C.ojadensis. Lim. testa jiyramidatd, antic!: 

 inflald, tenuiusculd, poUtd, corned ; spird atteniiatd, 

 anfractibus quaternis, subrotundis ; ultimo injlato, 

 antice subacuminato, post columellam subexcavato ; 

 aperturd aurifonni, labio interno lata, colnmelld 

 erased, valide plicatd ; labio externa expaaso, 

 rejlexo, intiis incrassato. 

 The Canadian Lims.ea. Shell pyramidal, anteriorly 

 inrtated, rather thin, polished, horny ; spire attenu- 



ated, whorls four, rather rounded, the last inflated ; 

 anteriorly .slightly acuminated, a little excavated 

 behind the columella ; aperture auriform, inner 

 lip broad, columella thick, strongly plicated ; 

 outer lip expanded, reilected, thickened within. 



SoWKltBV. 



/lab. Canada. 



Finding tliis shell in the British Museum without a 

 name, and thinking it sufficiently distinct from L. 

 stagnalis, the writer has given it a local name. 



Species 4G. (Mus. Brit.) 



Li.MN^A Natalexsis. Lim. testa ovnto-oblongd, substri- 

 gatd, firrugineo-fuscd, iiijlatd ; spird brevi, an- 

 fractibus tribus, ultimo ovato : aperturd elongatd, 

 pallide roseo-fnlvd ; columella valid! plicatd, tor- 

 tud, labio externa tenui. 



The Natal Limx.ea. Sliell ovate-oblong, rather tri- 

 gonal, rusty-brown, inflated; spire short, whorls 

 three, the last ovate ; aperture elongated, pale 

 rose-fawn ; columella with a strong plait, tortuous, 

 outer lip thin. 



Kp.al'ss. Sudafriken Jlollusken. 



Hid). Cape Natal, South Africa. 



In form and appearance resembling Limncea pingxcis, 



but diiferent in texture. 



Species 47. (Fig. c, Mus. Brit.) 

 LiNtN^A ANGULATA. Lini. tcstd solidd, subroseo-fulvd, 

 suhquadratd, spird brevi, anfractibus latis, angu- 

 lalis, ultimo rnagno ; ad latera recto, post colu- 

 mellam (xcavato ; aperturd subtrigond, antice 

 subacuniinatd ; columella crassd, recta, labio ex- 

 terna castaneo, intiis nnifasciato. 

 The angtlap. LiiiN^aiA. Shell solid, pinky-brown, rather 

 Sfjuare, spire short, whorls broad, angular, the last 

 large ; straight at the sides, excavated behind the 

 columella ; aperture subtrigonal, anteriorly a little 

 acuminated ; columella thick, straight, outer lip 

 with a single chestnut band within. 



I Ilab. Xortli America. 



December, 187:i 



