ACHATINA.— Plate XXII. 



solidiusculd, spird brevi, anfractibus sex, Icevihus, su- 

 turis indistinctk, lined drcumdatis, columella excavatd 

 et contortd, parum trumatd, apertiird oblongd, superni 

 leniier mmatd, bad pectdiariter effusd ; cinereo-fuscd, 

 mboUvaced, columelld albd. 



The Melampus-like Achatina. Shell oblong-ovate, 

 rather solid, spire short, whorls six in number, 

 smooth, sutures indistinct, surrounded by a line, 

 columella excavated and twisted, but little truncated, 

 aperture oblong, slightly sinuated at the upper part, 

 peculiarly efi'used at the base; ash-brown, olive 

 tinged, columella white. 



Lowe, MS. 



Hab. Madeira. 



A sheD of rather solid growth, having the form of a 



Melampm or Auricula. 



Species 123. <Mus. Benson.) 

 AcHATiNA gemma. Acliat. testa oblongo-eonied, solidiits- 



ctild, anfractibus sex, rotundatis, lavibus, columelld 



arcuatd, abbreviatd, aperturd siibrotundd ; purpureo- 



ttigricante, nitente. 

 The bud Achatina. Shell oblong-conical, rather solid, 



whorls six in number, rounded, smooth, columella 



arched, abbreviated, aperture nearly round ; purple- 

 black, shining. 

 Benson, MS. 

 Hab. Barrackpore, Bengal ; Benson, Bacon. 



Of a much darker purple-black colour than any other 

 of the Indian species, and of shorter growth, with a 

 shining, polished surface. 



Species 12-1. (Mus. Cuming.) 



Achatina frumentum. Achat, testa oblongo-conicd, so- 

 lidiusculd, anfractibus sex, convexis, lavibm, columelld 

 arcuatd et contortd, aperturd subrotundd; fulvo-spa- 

 diced. 

 The eye-grain Achatina. Shell oblong-conical, rather 

 solid, whorls six in number, convex, smooth, colu- 

 mella arched and twisted, aperture nearly round; 

 fulvous bay. 

 HoIj. Chandpore, Bengal ; Bacon. 



This approaches very closely to the preceding species, 

 yet there is a characteristic difference in the appearance of 

 the shell, of which Mi-. Cuming possesses many specimens. 

 The whorls are less rounded, less polished, and of a uni- 

 form hghter colour. 



