A C H A T I N A . 



Plate XXII. 



[Figures considerably 



Species 110. (Mus. Cuming.) 



AcHATiNA TRITICEA. Achat, testa ovato-c-ylindraced, soli- 

 duld, mifractibus sex, laviius, politis, infra suturas 

 lined circumdatis, columelld plerumque biplicatd, vix 

 truncatd, aperturd bast rotundatd et effusd, superne 

 leviter sinuatd; fulvescente-cortied. 

 The wheat-geain Achatina. Shell ovately cylindi-ical, 

 rather solid, whorls six in number, smooth, polished, 

 surrounded with a line beneath the sutures, colu- 

 mella generally two-plaited, scarcely truncated, aper- 

 ture rounded and effused at the base, slightly 

 sinuated at the upper part ; fulvous horny. 

 Eelia: triticea, Lowe, Faun. Madcr. p. 90. pi. fi. f. 2(). 



Glandina triticea, Pfeiffer. 

 Hab. Porto Sancto, Madeira ; Lowe. 



This species, in which the columeUar plaits are some- 

 times wanting, partakes of the character of the genus Tor- 

 natellliia. 



Species 117. (Mus. Cuming.) 

 Achatina ghacilis. Acliat. testa acuminato-oblongd, 

 anfractibus quinque, lavibus, politis, ad suturas subti- 

 liter marginatis, columelld Icevigatd, vix truncatd ; pel- 

 lucido-vitred, virescente. 

 The slendek Achatina. Shell acuminately oblong, 

 whorls five in number, smooth, polished, finely 

 margined at the sutures, columella smooth, scarcely 

 truncated ; transparent glassy, greenish. 

 Helix gracilis, Lowe, Faun. Mader. p. 61. pi. 6. f 28. 

 Hab. Porto Sancto, Madeira ; Lowe. 



A small transparent glassy species, very simply charac- 

 terized. 



Species 119. (Mus. Cuming.) 



Achatina ovuliformis. Achat, testd oblongo-ovatd, 

 anfractibus quatuor, lavibus, politis, suturis sitbim- 

 pressis, columelld tenue biplicatd, oblique truncatd; 

 pellucido-vitred,fitscescente. 



The little egg-shaped Achatina. Shell oblong- 

 ovate, whorls four in number, smooth, polished, 

 sutures rather impressed, columella thinly two- 

 March, 



plaited, obliquely truncated ; transparent glassy, 



brownish. 

 Helix ovuliformis, Lowe, Faun. Mader. p. (Jl. pi. 0. f. '27. 

 Eab. Porto Sancto, Madeira ; Lowe. 



Less acuminated in form and browner in colour, whilst 

 the columella is plaited, after the manner of Tornatellina. 



Species 120. (Mus. Benson.) 



Achatina crassula. Achat, testd pyramidali-conicd, 

 anfractibus septeni, plano-convexis, longitudinaliter im- 

 presso-striatis, suturis excavatis, columelld arcuatd, 

 conspicue truncatd, aperturd parvd; albidd, epidermide 

 olivaceo-corned indutd. 



The thickened Achatina. Shell pyramidally conical, 

 whorls seven in number, flatly convex, longitudinally 

 impressly striated, sutures excavated, columella arched, 

 conspicuously truncated, aperture small ; whitish, 

 covered with an olive horny epidermis. 



Benson, MS. 



Eab. Himalaya. 



Of more soUd growth than tiie Nilgheny species of 



allied form, represented in the preceding plate. 



Species 121. (Mus. Cuming.) 



Achatina corusca. Achat, testd pt/ratnidali, subfusi- 

 formi, apice obtusd, anfractibus septem., convexis, Itevi- 

 bus, politis, ad suturas subtiliter marginatis, columelld 

 arcuatd el contortd, aperturd ovatd ; pellucido-fusces- 

 cente, vitred, strigis castaneis Jlexuosis obscure tinetd. 



The glittering Ach.ytina. Shell pyramidal, some- 

 what fusiform, obtuse at the apex, whorls seven in 

 number, convex, smooth, polished, finely margined 

 at the sutures, columella arched and twisted, aper- 

 ture ovate ; transparent brown, glassy, obscurely 

 stained with flexuous chestnut streaks. 



Hab. ? 



A shell of firm gi'owth, though transparent and glassy. 



Species 122. (^Mus. Cuming.) 

 Ach.^TINa MelaMPOIDES. Achat, testa oblougo-ovaui, 

 1850. 



