50 



CYCLOPHOBID^. 



Orif/inal description :— " Shell umbilicated, turbinate, slightly 

 keeled; sculpture, apex smooth, the whorls theuee are longi- 

 tudinally ribbed and striated, increasing in strength near the 

 suture from above downwards, and crossed by the lines of growth, 

 producing a deccussate surface ; this is coarser and rougher on the 

 last whorl and under surface. Colour madder-brown, crossed by 

 mottled broken lines on whorls 3 and 4. Spire conic, moderately 

 high, sides slightly convex, apex sharp; suture shallow ; whorls 5, 

 sides convex, the last somewhat keeled ; aperture circular, oblique ; 

 peristome white, not thickened, slightly reflected. 



" Size, type : maj. diam. 48-75, min. 39"0 ; alt. axis 22-25 mm. 

 largest : „ 50*0, „ 42-0 ; „ 23-0 mm." 



Hub. India; Naga Hills (Do/igri?/) ; Maokokchung, Naga Hills 

 (Muspratt). 



" Jn the young shell the longitudinal striae are very sharp and 

 distinct, quite Urate in appearance ; this character separates it 

 from the other species of Cyclophorus from those hills." (Godwin- 

 Austea d: Beddome.) 



74. Cyclophorus nagaensis, Godivin-Austen d; Beddome. 



Ci/clopJionis ntir/aeyisis, Godwin-Austen & Beddome, A. M. N. H. 

 ser. 6, xiii, 1894, p. 507. 



Cyclophorus (Litosti/lus) nagaensis, Kobelt & MolleiidorfF, Nachr. 

 Deuts. Malak. Ges. xxix, 1897, p. 105 ; id., Cat. Pneum. 1899, 

 p. 17 ; Kobelt, Das Tierreich, Lief. 16, 1902, p. 101. 



Oric/uud dcscrij)tion : — "■Shell umbilicated, turbinate, not keeled ; 

 sculpture, lines of growth only, without any spiral lines being 



Fig. 11. — Ci/cIopJwrus nagaensis. 



visible. Colour grey-brown, more ocbraceous below, when wetted 

 of a madder-brown colour ; a white line on the periphery, bounded 

 by a broad very dark band, shaded off below ; the third whorl is 

 crossed by narrow wavy white lines ; in the next growth these 

 lines are Mider apart and zigzag in outline ; the next and final 



