22 CTCLOPHOmUiE. 



Genus MICRAULAX, Theobald. 



Micraulax, Theobald, J. A. S. B. xlv, 1876, part 2, p. 185 (as 

 subgenus of Ci/clojyhonis) ; Fischer, Man. Conchyl. 1885, p. 744 

 (as section of Ct/clophorus, 8. s.) ; Kobelt, Das Tierreich, Lief. 16, 

 1902, p. 71 (genus). 



Type, Micraulax scabra, Theobald. 



Range. Southern India and Ceylon. 



"Cyclophorihabituplanorbulari, testo suleo brevi intus instrueta, 

 operculo ? 



" Section of the planorbular Cyclopliori, uniting tlie Myxostoma 

 type with the turbinate Lagocheilus. The canal of Cataulus is 

 merely, it would seem, a more highly developed and specialised 

 representation of the shallow groove in this species." (Theobald.) 



" Shell depressed, turbinate or discoid, widely umbilicated, a 

 short groove inside with a corresponding raised rib outside on the 

 base analogous to the basal canal in Cataidiis." {Kobelt, in 

 German.) 



34. Micraulax cceloconus, Benson. 



Cydostovia cceloconus, Benson, A. M. N. H. ser. 2, viii, 1851, p. 189 ; 

 PfeifFer, Go\i(t\i.-Ca.h.,Cyclostomaceen, 1854, p. 384.pl. 50, tigs. 9, 10. 



Cyclophorus coeloconvs, Pfeiffer, Zeits. Malak. viii, 1851, p. 141 ; id., 

 Mon. Pneum. 1852, p. 83; id., Cat. Phaueropn. Brit. Mus. 1852, 

 p. 57 ; Benson, A. M. N. H. ser. 2, xiv, 1854, p. 415 ; Adams, Gen. 

 Rec. Moll, ii, 1855, p. 280; Reeve, Conch. Icon, xiii, 1861, Cyclo- 

 phorus, pi. 18, fig. 89; Hanley & Theobald, Conch. lud. 1870, 

 pi. 4, tig. 5, 1876, p. XV ; H. Nevill, Enum. Helic. Pneum. Ceylon, 

 1871, p. 4 ; Theobald, Cat. Shells Brit. India, 1876, p. 35. 



Leptopoma coelocoiius, Theobald, Cat. Shells Brit. India, 1876, p. 37. 



Cyclophorus (Micraulax) coeloconus, Nevill, Hand List, i, 1878, 

 p. 273 (-|- var. parva). 



Micraulax coeloconus, Kobelt & Mollendorff, Naclir. Dents. Malak. 

 Ges. xxix, 1897, p. 86 ; id.. Cat. Pneum. 1899, p. 14 ; Kobelt, Das 

 Tierreich, Lief. 16, 1902, p. 71, tig. 15. 



Original description : — "Testa subaperte umbilicata, turbinata, 

 tenui, scabre confertim radiato-striata, olivaceo-lutescente, fascia 

 unica submediana, strigisque undatis, radiatis, rufo-f uscis, oruata ; 

 spira conoidea, apice acutiusculo; sutura bene impressa; aufract- 

 ibus 4:\ valde convexis, ultimo cylindrico ; apertura obliqua, 

 ovato-circulari, peristomate tenui, acute, urabilico profundo omnes 

 anfractus exhibente. 



"Diam. maj. 13, minor 11, axis 9 mill." (Benson.) 

 Hah. India : Nilgiris (Jerdon, If. F. Blanford) ; Trichinopoly 

 (H. F. Blanford); Tume\el\y (Beddome); Cej\on (H. Nevill). 



35. Micraulax scabra, Theobald. 



MicraidfiT scabra, Theobald, .1. A. S. B. xlv, part 2, 1876, p. 18-5, 

 pi. 14, tig. 4 ; Kobelt, Das Tierreich, Lief. 16, 1902, p. 71. 



Cyclophorus (Micraulax) scaber, Nevill, Hand List, i, 1878, p. 273. 



Micraulax scaber, Kobelt & MolleudorfF, Nachr. Dents. Malak. Ges. 

 xxix, 1897, p. 86 ; id., Cat. Pneum. 1899, p. 14. 



