426 TEEUSSACIDTE. 



413. Glessula crassilabris, Benson. 



Achatina crassilabris, Benson, J. A. S. B. v, 1836, p. 353 ; Pfeiffer, 

 Mon. Helic. Viv. ii, 1848, p. 261 ; Reeve, Conch. Icon, v, 1850, 

 Achatina, pi. 21, fig. 81 ; Pfeiffer, Conch.-Cab., Bulimus, 1860, 

 p. 313, pi. 25, figs. 12, 13; Benson, A. M. N. H. ser. 3, v, 1860, 

 p. 464 (small var.) 5 Blanford, J. A. S. B. xxxiv, 1865, p. 95 

 (dwarf var. 11x6 mm.). 



Oleacina (Electro] crassilabris, Adams, Gen. Eec. Moll, ii, 1855, 

 p. 105. 



Achatina (Electro) crassilabris, Pfeiffer, Malak. Blatt. ii, 1856, 

 p. 168 ; Hanley & Theobald, Conch. Ind. 1870, pi. 36, fig. 1. 



Cionella (Glessula) crassilabris, Martens, Die Heliceen, ed. 2, 1860, 

 p. 254. 



Stenoyyra (Glessula} crassilabris, Nevill, Hand List, i, 1878, p. 170. 



Glessula crassilabris, Godwin-Austen, J. A. S. B. xlv, 1876, pp. 3, 

 315; Pfeiffer & Clessin, Nomencl. Helic. Viv. 1881, p. 330; 

 Beddome, Proc. Malac. Soc. London, vii, 190(5, p. 169 ; Pilsbiy, 

 Man. Conch, ser. 2, xx, p. 96, pi. 10, figs. 14, 15. 



Original description : " Testa turrito-conica, Isevi, cornea, 

 longitudinaliter striata; anfractibus convexis, suturis excavatis ; 

 labro intus incrassato ; columella praearcuata ; apice obtuso. 



"Long. 0-7 [ = 17-75 mill], lat, 0-3 poll. [ = 7'75 milliin.]." 

 (Benson.) 



Hob. India : Sylhet (Benson) ; Khasi Hills (Maimvariny) ; 

 Teria G-hat (dwarf var. Theobald) ; Darjeeling (Stoliczkd) ; Shen- 

 gorb and Toruputu, Dafla Hills, Naga Hills (Godwin- Austen). 

 Burma : Arakan (small var. Blanford). 



" This shell lias the habit of a Ceylon species, which I believe 

 to be A. nitens of Gray. It differs in greater size, in its incras- 

 sated outer lip, in its somewhat more ventricose form, and its 

 sculpture." (Beddome.) 



414. Glessula naja, Pilslry. 



Glessula naja (Blanford), Pilsbry, Man. Conch, ser. 2, xx, 1909, 

 p. 90, pi. 12, fig. 10. 



Original description : " Shell slender, turrite, thin, yellow- 

 corneous, glossy, weakly striulate. and having vertical grooves at 

 unequal intervals; this sculpture is most evenly developed just 

 below the suture. Under the compound microscope glimpses of 

 excessively weak, close spiral granule-lines may be seen in places. 

 Outlines of the spire nearly straight, a trifle contracted near the 

 apex. Whorls 9^, moderately convex, separated by a deeply 

 impressed simple suture. Aperture a little oblique ; outer lip 

 thin : columella rather long, regularly concave, truncate at the 

 base. 



" Length 19, diam. 6'6, length of aperture 6-5 mm." (Pilsbry.) 



Hob. India : Assam (Nevill). 



" The later whorls are decidedly longer than in G. tenuispira 



