I'l.M'H UTA-O1 LI' UN V. 







with lino lines of ^n.wth : aperture d. Alt. 



1 1. <liam. 7 mill. ( 1\H, 



Dinpfmnwi ni'ca PKT., Proc. Roy. 8oc. Taam., 1885, p. ."/Jl. 



f roili<ij,/i'inn Pilsbry. 



Shell like Dinphnna, hut eolumolla abruptly truncat- 

 D. BRAZIERI Angas. PI. 26, fig. 68. 



Shell subglobose, with a long, narrow open umbilicus, thin, hya- 

 line, covered with a fine inembranaceous olive epidcrmi- : last 

 whorl inflated; spire flatly depressed; whor 



suture impressed ; aperture contracted above, subovate below ; 

 outer lip sharply angled posteriorly, slightly sinuous, arcuate l>- 

 columella abruptly truncate below the umbilicus. Length 2 lines, 

 breadth 1] lines. {Any.). 



Soiv and Pigs reef, Port Jm-knu, .V. >'. II" ///>, .1 



Diaphana brazieri ANG., P. Z. S., 1877, p. 175, pi. 26, f. 20 : t. c. 

 p. 189. 



Genus CYLICHNA Lovln, 1M7. 



Bullma Risso, Hist. Nat. Eur. Mrrid., iv, p. ."!, 1>'J- Kul- 



Una Fer., l&22. Cylindrella SWAINS, Malacol., pp. 1 

 C. alba Sw. Not Cylindrella Swains, t. c. p. 311, (s. g. t ' ; 

 asper Chem.), nor of Pfr., Wieirm. Archiv t'. v 38, 



(1840). Cyllchnu LOVKN, Ofv. K. Vet. Aka.l. F.-rhandl.. 

 142, 1847. Not Cyliclmus Burraeister, Handb. der Entomulogie, 

 iv, p. 171, 1844(Coleoptera). Bnl/inella R. 1'.. Ni.\\ 

 Edwards Coll. Brit. Oligocene and Eocene M..1I.. j. L^'-"), 18J1. 

 Cryptnxis JEFKR., Ann. Mag. N. H., (5), \i. p. 400, 1883, type C. 

 parvula Jeffr. Not Cn/ptaxis Lowe (Helicidae). "<> 

 H. & A. ADAMS, (Jen. Rec. Moll., ii, j>. 6 



-{-Cylichnel/'t ( IAIM: , and Mnr*ti'i II. iV A. 



Shell rather small and sulx-ylindrical. sunken and um- 



bilicate or closed and concealed by the calloused inner lip 

 ately solid, smooth or with spiral stri: ; aperture as long as the 

 shell, narrow above, somewhat dilatnl toward the base; columella 

 rather thickened, simple or somewhat sinuous; outer lip r 

 ing toward the suture. Typ- < '. cgKndrt 



Animal (pi. 61, fig. 23, C. ciiHiuli'm-fi^ with long hen 

 cated in front and behind. Mouth armed with a pair of jaws . 



