SCABRINA. — THEOBALDI¥S. 31 



My.vostoma pinnulifer, Theobald, Cat. Shells Brit. India, 1876, p. 37. 

 Cuclophoms (Scabrina) pinmUifei; Weifl'er, Mod. Piieum. buppl. 3, 



1875, p. 100; Nevill, Hand J.ist, i, 1878, p. 277. 

 Scahrina 2nnnulifera, Kobelt vV Molleiidortf, Nach. Deuts. Malak. 



Ges xxix, 1897, p. 88; id.. Cat. Pneum. 1899, p. IB; Kobelt, 



Das Tierreich, Lief. 16, 1902, p. 90. 



Original description : — " Testa late umbilicata, orbiculato- 

 depi-essa, nidiato-striata, striis iiiinutissimis spiralibus decussata, 

 sub epidennide scabra, fueca, albida, superiie strigis remotis 

 castaneis radiata ; spira plaiiata, apice vix prominulo, sutiira 

 prot'iiiida ; aut'ractibus 4 convexis, subtiis rotundatis, ultimo antice 

 latiori; apertura obliqua, circulari ; perisluuiate leviter expaiiso, 

 subduplicato, interiori contiuuo, superne ad aiiguluni vix .siiiuato, 

 exteriori superne alani vertiralem subforiiifatam eifonnante. 

 Operc. ? 



"Dium. major 13, minor 10, axis 31 mill." {Benson.) 



Huh. Iiuiia: Teiia Ghat, Khasi Hills {Theobald); Hengdan 

 Peak, Naga Hills {Godwin- Austen). 



" Eelated to tlie Sikkim G. phcenotopicus and to G. cah/.v of 

 Burmah, but more nearly to the latter, from which it is dis- 

 tiiiiiuibhed bv its wider last w horl, tlie absence of any angulation 

 below, and by its more developed peristome."' {Benson.) 



Genus THEOBALDIUS, .Vevill. 



Theobaldiiis, Nevill, Hand List, i, 1878, p. 275 (as subo-euus of Cydo- 

 p/iorus (no description)); Fischer, Man. Conchyl. 188o, p. 744 

 (as section of Cyclophoriis, s. s.); Kobelt & Mollendorff, Nachr. 

 Deuts. Malak. Ges. xxix, J897, p. 88 (as genus); id., Cat. 

 Pneum. 1899, p. 10; Kobelt, Das Tierreich, Lief. 16, 1902, p. 91 ; 

 id., Conch.-Cab., Cyclophoridae, i, 1907, p. 556. 



Type, Cydophorus anmdatus, Pfeiffer. 



Range. India and Ceylon. 



"Shell depressed or discoid, widely umbilicated, last whorl 

 rounded ; apert ure circular ; peristome generally double. Oper- 

 cuhiin entering the mouth, thin, corneous, many-wliorled." 

 {Kobelt, in German.) 



45. Theobaldius aiinulatus, Pfeiffer. 



Cydostoma (itwulatmn (Troschel), Pfeiffer, Zeits. Malak. iv, 1847, 



p. 150; id., Conch.-Cab., Cyclostomaceen, 1847, p. 162, pi. 22, 



ligs. 17-19. 

 Ci/dophorus anmdatus, Pfeiffer, Zeits. Malak. iv, 1847, p. 108 ; id., 



"op. cit. viii, 1852, p. 143; id.. Cat Phaneropn., Brit. Mus. 1852, 



p. ()9; Adams, Gen. Rec. Moll, ii, 1855, p. 279; Reeve, Conch. 



Icon, xiii, 1861, Cydophorus, pi. 15. tig. 66; H. Nevill, Ennui. 



Hehc. Pneum. Cevlon. 1871, p. 4; Hanley & Tlieobald, Conch. 



Ind. 1876, pi. 143, 'figs. 1, 4 ; .Jousseaume, Mem. Soc. Zool. France, 



vii, 1894, p. 303. 



