SCINTILLA. 



Species .10. (Mus. ?) 



Scintilla lactka. Set. teM ohlonijd, oblirpiu, a/bu, 

 incequilaUrali, semipelhicida, clausa ; laCirc uiitico 

 brevi, subtrunvato ; margine dorsati utriiique dccliri^- 

 latere postico subobliijuo ; manjine. vcntrali cun- 

 ve.ri sculo. 



TilE .MILK-WHITE SCINTILLA. Shell oV)lollg, obliqUf, 

 white, ineiiuiluterai, seiuijH'Ilucid, closed ; anterior 

 side sliort, subtruncated ; dorsal luargiu sloped on 

 both sides, posterior side rather oblique ; ventral 

 margin rather convex. 



S(>wi.ui;v. I'roc. Zool. Soc, IKC"). 



//„/,. ? 



More oblong and less sloped than Sri7itilla dedivis. 



Species :M . (Fig. a. b.) 



Scintilla anomala. S<-i. tesUt albA, pclhivid,}, compressu, 

 subquiidrald ; mai-giaibii^dorsalibi(S! iitrinquc paulo 

 Inanlibiis. 



The anomalou.s Scintilla Shell wliite, pelhu-id. com- 

 pressed, subqiiadrate ; with dor.sal margins a little 

 gaping at both ends. 



Deshayes. Proc. Zool. Soe., 185 J, ji. LSI. 



Ilab. Isl. Samar, Philippines. 



Ml 



iinbling tin 



Species 38. (Fig. a, b, Mus. Brit.) 



Scintilla hydatina. Sci. testa comeA, peUucidd, com- 

 pressii, subquadrata ; marginibus terminalibus 

 ■^ utrinqiie hiantibus ; umboidbu!; siibcentndibus ; 

 margine ventrali rectiusculo. 



The ti;ansp.U{ENt Scintilla. Shell pellucid, com- 

 pressed, subquadrate ; terminal margins gaping 

 on both sides ; umbones subceutral ; ventral 

 margin rather straight. 



Deshaye.s. Proc. Zool. Soc, 1855, p. 177. 



Hab. Isl. Bohol, Philippines. 



Species 39. (Fig. a, b, Mus. Nobis.) 

 jtilla MEMiiUANACEA. Sci. teM tetiuissimA, coriird, 

 peUuddd, obloiigd, nfrinqne .wblnnicatd ; iiianjinc 

 dorsali utriiiqu,'- hlanii ; margine ventral/' rliiiifii, 

 rectihsculo. 



MEMiiUANACEors SciNTiLLA. Shell Very thin, 

 horny, pellucid, oblong, slightly truncated on eacl 

 side ; dorsal margin gaping at both ends ; ventral 

 margin closed, rather straight. 



Sow I 

 /lab. 



A reniarkalily thin transparent slieii 



Species 40. (Mus. Brit.) 



Scintilla stimatina. ,s'r/. testii albd, parvdjt'imln.'iimu, 

 pilliiddd, aiinprest'd, clnvt^d, subirqiulaterali, cim- 

 cciUrice mgix teuuisdmit: siriatd, lateribus dcclioibua; 

 margine dursali brevimculu ; innrgine ventrali 

 rectluseii lo. 



The sti:iati;ii Sclvtilla. Shell white, small, very 

 thin, pellucid, compressed, closed ; rather eipii- 

 lateral, concentrically striated with very thin 

 wrinkles; sides sloped, dorsal margin rather 

 short ; ventral margin rather straight. 



Desuayes. Proc. Zool. Soc, 1855, ji. 171). 



Hab. Isl. Bohol, Philiniiines. 



Species 41. (Mils. Brit.) 

 Scintilla opalina. Sci. testd oblique subovald, subcovi, 



pressd, clausd, Keniijielliiddd, alba ; marginibu. 



dorsal ibiis dedivibus. 

 Tue opal Scintiluv. Shell obliciu 



Compressed, closed, semipellt 



margins sloped. 

 Deshay£.s. Proc. Zool. Soc, 1855, p. 1 

 Ilab. Isl. Luzon, Philippines. 



More tumid than Sc, striatiua and 

 striated. 



ely subovate. 

 cid, white, , 



Febn 



