454 succiNEii).!. 



ct Tlieobald, Conch. Ind. 1874, pi. 68, figs. 5, 6 ; Nevill, Hand 

 List, i, 1878, p. 212. 

 Sticcinea [Tapada] crassiuscuUt, Pfeitfer & Clessin, Nomencl. Ilelic. 

 Viv. 1881, p. 412. 



Original descrijition ; — " T. ovato-conica, solida, striata, punctis 

 impressis uotata, vix nitidula, conieo-albida ; spira ficalaris, 

 papillata ; anfr. 3, penultiuius perconvexis, ultimns infiatus, 

 rotimdatus, 4 longitudinis aeqiians ; columella subcallosa, arcuatiiii 

 recedens ; apertura lata, ovalis, intus iiiargaritacea ; perist. simplex, 

 obtusum, margine dextro regulariter arcuato. 



"Long. 9, diam. 7, alt. 4 mill. Apert. 6^ mill. longa,4i lata." 

 (Pfeifev.) 



Hah. India : Bundelkhund (Theobald) ; Calcutta and Port 

 Canning {Nevill); ^^alt Range and Kutch (Stoliczl-a). 



The species wa.s originally published as S. crassinudea, from a 

 Cuming label, but four years later Pfeiffer altered it to crassiuscnia, 

 as communicated to him in a letter by Benson, and the latter name 

 has been adopted by every subsequent author dealing with the 

 species. 



The shell is of a delicate whitish corneous appearance and more 

 or less connects ^S'. dancina with ^. vitrea. I have seen several 

 specimens wliich exceed the type in diameter, one in the Cuming 

 collection and Four, presented to the National collection by Hutton, 

 measuring 10 mm., while the Theobald collection contains shells 

 which even attain 11 and 12-5 mm. in diameter. On the other 

 hand, specimens presented by Colonel Wilmer, who collected them 

 at Port William, Calcutta, altliougli full-grown, only measure 

 6"5 mm. 



452. Succinea vitrea, Pfeiffer. 



Succinea vitrea, Pfeiffer, P. Z. S. 1854, p. 298 : ibid., Moii. Ilelic. 

 Viv. iv, 1859, p. 810 ; Keeve, Conch. Icon, xviii, 1872, Succinea, 

 pi. 3, tig. 20; Ilanley & Theobald, Conch. Ind. 1874, pi. 68, 

 tigs. 2, 3 ; Nevill, Hand List, i, 1878, p. 214 ; Smith, Fauna and 

 Geogr. Maldive & Laccadive Arch, i, part 2, 1902, p. 142 ; 

 Peile, Journ. Bombay Nat. Hist. Soc. xi, 1908, p. 131. 



Succinea (I'apada) vitrea, Pfeiffer &: Clessin, Nomencl. Helic. 

 Viv. 1881, p. 412. 



Original description : — '• 8. testa ovato-conica, tenuiuscula, con- 

 fertim plicato- striata, nitida, albo-hyalina : spira conica, sub- 

 papillata ; anfr. 3 convexis, ultimo | longitudinis formante, inflato, 

 basi attenuato ; columella filosa, arcuata ; apertura parum obliqua, 

 incumbeiite, ovali, superne vix angulata ; perist. simplice, mur- 

 ginibus callo opaco junctis, subsymmetricis. 



"Long. 12, lat. 8, alt. 5 mill.'' {Pfeiffer.) 



Hah. India: Calcutta {Bacon); Port WiUiam, Calcutta (Wil- 

 mer) ; Bombay Island {Peile). Andaman Islands, Port William 

 ( Wilmer). Laccadive Archipelago {Stardei/ Gardiner Expedition). 



Mr. Smith considers this species " scarcely separable from 



