440 



FERUSSACIDjK. 



434. Grlessula filosa, Blanford. 



Glessula filosa, Blanford, J. A. S. B. xxxix, 1870, p. 19, pi. 3, fig. 16 ; 

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

 dome, Proc. Malac. Soc. London, vii, 1906, p. 171 ; Pilsbry, 

 Man. Conch, ser. 2, xx, 1909, p. 85, pi. 13, fig. 14. 



Achatina (Electro) filosa, Hanley & Theobald, Conch. Ind. 1870, 

 pi. 36, fig. 10. 



Achatina filosa, Pfeiffer, Mon. Helic. Viv. viii, 1877, p. 279. 



Stenogyra ( Glessula) filosa, Nevill, Hand List, i, 1878, p. 168. 



Original description : " Testa sub-rimata, turrita, tenuis, cornea, 

 verticaliter plicato-striata, par urn nitida; spira elevata; apice 

 obtuso, brevissimeconico, sub-mucronato ; sutura impressa. Anfr. 

 8 convexi, ultimus ^ longitudinis sub-eequans, basi rotundatus. 



a. 



Fig. 138. Glessula filosa. 



Apertura verticalis, lunato sub-ovalis ; peristoma rectum, tenue ; 

 columella arcuata, albida, lamelliforrniter extante, tenui, oblique 

 truncata. 



"Long. 21, diam. 9 mm. Apert. 7 mill, longa, 5 lata/' 

 (Blanford.) 



Hob. India : Travancore and Tinnevelly (Beddome) ; Shevroy 

 Hills (Henderson). 



" A peculiar form easily distinguished by its strong sculpture, 

 abrupt subconical apex, and by the columella standing out from 

 the last whorl, so as to have a groove running along its side." 

 (Blanford.) 



Fig. 139. Grlessula fflosa, var. exigua. 



This species varies considerably in contour and size, but the 

 groove by the side of the columella, referred to by Blanford, is not 

 always perceptible. The four shells from Travancore here figured, 

 which are in the Beddome collection, give some idea of the range 



