COILOSTELE, — GLJiSSULA. 377 



Original description : — " C testa impei'forata, elongato-cylin- 

 drica, lievi, liyalina, nitida; spira elongata, gvadatim scalariter 

 atteuuata, apiee obtiiso, sutiira profunda: ;iiifractibus 6, con- 

 vexiusculis, superne obtuse angulatis, penultiino cylindraceo; 

 apertura subobliqua, semiovata, subpyril'oruii ; poristoniate tenui, 

 recto, niarginibus reniotis, margine coluniellari ci'assiusculo, plica 

 si)irali obliqua elongata superne intrante niunito. 



" Long. 3, diam. vix 1 mm. A pert. |, lata 4 mm." (Benson.) 



llah. India: Humeerpore, Bundelkhund, banks of Jumna and 

 ]Jet\va Rivers [Benson) ■ Kasbmir (Theobald) ; Sind (Bhnford). 



Tbe Britisb Museum contains three specimens, tbe only ones 

 1 bave seen, labelled " Xortberu India"; tbey measure : length 

 4 mm., diam. 1%5 mm. 



Genus GLESSULA, von Marteiis. 



Electru. Albers. Die Heliceeu, 1850, p. 194 (us section oi Achntina), 

 onl}- species, A. ccylanica (iion Electru, Lam. 1816, uon Electro., 

 Steph. 1829. iiou Elect ra, Loew, 1845); Adams. Gen. Kec. Moll, 

 ii, 1855, p. 105 (as subgenus of Oleacinu) ; Pfeifter, Malak. Blatt. 

 ii, 1856, p. 168 (as section o{ Achatina). 



Glessida, von Martens. Die Ileliceen, ed. 2, 1860. p. 254 ( as sub- 

 genus of CioiiellaK tvpe ^-i. (femma, Benson; Pfeirter & Clessin, 

 Mou. Helic. Viv. 1881, p. 329; Nevill, Hand List. i. 1878, p. 160 

 (as subgenus of Stenogi/ra) ; Beddome, Proc. Malac. Soc. London, 

 vii, 1906, p. 160; Pilsbry, Man. Coucli. ser. 2, xx, 1908. p. 50, 

 pi. 15, figs. 2, 3 (anatomy). 



Type, Achatina ceiflanica, Pfeifter. 



Range. India, Ceylon and Burma, Soutb-AVestern China, Farther 

 India ; Sumatra, Java, and Borneo ; East and West Africa. 



" Tbe shell is imperforate, ovate-conic or turrite, brown or 

 corneous-brown, glossy, and usual])' witbout strong sculpture ; 

 apex obtuse. Aperture irregularly oval ; outer lip unexpanded, 

 acute or blunt ; columella short, more or less deeply concave, 

 abruptly truncate at tbe base. 



" Sole without distinct median area ; no jjedal margin ; an outer 

 mantle lobe on the left side. Kidney very long, band-like. 

 Genitalia peculiar ; there is a feather-like gland where the vas 

 deferens enters the penis. The latter contains a short conic, 

 perforated papilla, and two longitudinal folds. The prostrate 

 gland of the hermaphrodite duct consists of entirely separated 

 narrow follicles, as in Achatina. The spennatbeca lias a short 

 duct. Litems containing several large sliells with fully 2 whorls. 



"The jaw is very finely striate, almost smooth. Eadula has 

 about 110 t<»etb in a transverse row, Tbe central tooth is very 

 small, tricuspid ; laterals with three cusps ; outer marginal teeth 

 very finely 3- or 4-cusi)ed (G. orophila, from Madras, according 

 to Semper). 



" Glessida was associated with " Gionella " (that is tbe Ferus- 

 8ACID-E as herein understood) by Professor von Martens in 1860. 



