A C H A T I N A . 



Plate XX. 



Species 109. (Mus. Benson.) 



AcHATiNA BALANUS. Achat, testa cylindraeeo-oUongd, 

 subfasiformi, anfractibus quaiuor, Icevibus, nitidis, apice 

 obtuso, columella arcuatu, trimcatd, aperturd jiarvd ; 

 sordide albd. 



The barnacle Achatina. Shell cylindrically oblong, 

 somewhat fusiform, whorls four in number, smooth, 

 shining, apex obtuse, columella arched, truncated, 

 aperture small ; dull white. 



Benson, MSS. 



Hab. Banks of the Jumna, India. 



A very minute species, allied to the following, but com- 

 posed of fewer whorls. Fii-st collected by Mr. Benson in 

 1825 on the banks of the river Jumna near Hameerpore, 

 Bundelkhund, among the roots of a large fallen tree ; 

 subsequently on a porphyritic hill on the border of the 

 desert south of Ilawee. It occurs also at Agra, on the 

 right bank of the Jumna. 



Species lit). (Mus. Cumiug.) 



Achatina aberkans. Achat, testa subulatd, temd, an- 

 fractibus sex, lontjiludiualiter impresso-striath, colu- 

 melld tortuosd, calloso-niarijiiintd, nprrlurd pared; 

 pellucidd, vitred, strigis rufidis tniiinstix itl,liiin> pir/ii. 



The aberrant Achatina. Shi'll sulmhitc, thin, whorls 

 six iu number, longitudinally impressly striated, 

 columella twisted, callous at the edge, aperture 

 small ; transparent, glassy, obUquely painted with 

 narrow reddish streaks. 



Ppeiffek, Pro. Zool. Soc. 18-15, p. 138. 



Jfab. Jamaica ; Gosse. 



A pretty little glassy shell, striped at rather distant 



intervals with red-brown lines. 



Lamarck, Auim. sans vert. (Deshayes' edit.) vol. ix. p. 304 



Buccinum acicula, Midler. 



Buccinmn terrestre, Montagu. 



IlelLv {CocJdicopa) acicula, De Ferussac. 



Bulimus acicula, Bruguiere. 



Achatina alba, Brown. 



Cionella acicula, Jeifreys. 



Acicula eburnea, Eisso. 

 Hab. Europe, including the British Isles. 



A light, shining, glassy shell, with a distinctly truncated 

 colimiella. 



Species 112. (Mus. Cuming.) 

 Achatina costulata. Achat, testa turritd, anfractibus 

 oclo, rotundatls, longitudinaliter costulatis, columella 

 subrectd, truncald, aperturd parvd; pellucido-corned, 

 stric/is rufo-fuscis irreguJariter pictd. 

 The delicately-ribbed Achatina. Shell turreted, 

 whorls eight in number, rounded, longitudinally finely 

 ribbed, columella nearly straight, truncated, aperture 

 small; transparent horny, irregularly painted with 

 red-brown streaks. 

 Adams, Pro. Nat. Hist. Soc. Boston, 1845, p. 13. 



Achatina Adamsi, Pfeift'er. 

 Hab. Jamaica. 



A finely ribbed, truncated shell, of a brownish horn- 

 colour, streaked irregularly with darker brown. 



Fig. 113. (Mus. Cuming.) 

 For description of this species, see Buli, 

 For Achatina, Sp. 113, see PL XXI. 



Species 111. (Mus. Cummg.) 

 Achatina acicula. Achat, testd cijlindraceo-subulatd, 

 subfusiformi, anfractibus sex, Icevibus, politis, apice 

 obtuso, columelld arcnatd, aiiguste truncald; albd, 

 diaphund. 

 The little needle Achatina. Shell cyUndrically 

 subulate, somewhat fusiform, whorls six iu number, 

 smooth, polished, apex obtuse, columella arched, 

 narrowly truncated ; wlute, diaphanous. 



March, 



Species 114. (Mus. Cuming.) 

 Achatina Gossei. Achat, testd subulatd, aciculari, an- 

 fractibus decern, subremote costatis, costis basin versus 

 gradatua evanidis, juxta suiuras fortioribus, columelld 

 oblique arcuald, vix truncald, aperturd minntd, subdi- 

 latatd ; sordide albd. 

 Gosse's Achatina. Shell subulate, finely pointed, whorls 

 ten in number, somewhat remotely ribbed, ribs gra- 

 dually fading towards the base, stronger next the 

 sutures, columella obliquely arched, scarcely trunca- 

 ted, aperture very small, rather dilated ; dead white. 

 1850. 



