﻿C Y Pt E N .V. 



Species 90. (Mus. Hanley.) 



Cykexa Angasi. Cyr. fcskt ovato.ohhngii, siihrlinm- 

 boided, temd, di'/m x^,!, siih,-niiijiri:<s'i, iiih'(.< cl ad 

 apicem subw.<C(i nl riiiri;,i, ij'^'ilrniiiJr jlanidd 

 tenui induld; hilm- niifirn brcn\ aiif/ii.<li- sidi- 

 truncato ; lalure i>u4icu prodado, ohtunc aiiijalntn, 

 late truHcato. 



AsGAs's Cyrena. Shell ovate-oblong, somewhat 

 rhoinboidal, tliin, depressed, rather compressed, 

 pinky or ashy witnin and at the apex, covered 

 with a thin yellowish epidermis ; anterior side 

 short, narrowly subtruncated ; posterior side 

 produced, obtusely angular, broadly truncated. 



I'ltiME. Cat. Corb. 1863, p. 4. 



llab. Murray River, South Australia. 



Species 91. (Mus. Hanley.) 



Ctrena JapOSICA. Ci/i: ti-sfd altd, trigond, comprcs.^d, 

 siibnoUdd, nitenti, faiiioso-castaned, sHlcis parti m 

 obsohtis nigitld : iiitiis fcr.vu.f aficein purpurea 

 strigald, ad hifent iii^inji u, inque coinded; latere 

 aniico valde dech'ri, briri,,ri, latere posi'ico obtuse 

 angulato, oblique Iriou-iito, superne declivi. 



The Japan Cykexa. Shell higb, trigonal, compressed, 

 rather solid, shining, smoky chestnut, wrinkled 

 with partly obsolete grooves, striped with pur- 

 ple inside towards the apex, bluish at the sides 

 and edge; anterior side much sloped, shorter; 

 posterior side obtnsely angular, obliiiuely trun- 

 cated, snperne declivi. 



Prime. Ann. Lye. New York, 18(34. 



Hub. Japan. 



A beautiful little shell, having much the aspect of 

 a young Cgllieren.. 



(ilns. ILud, 

 <(>■/.; ,„l,trl,/n 



all,;, ten Hi 

 r dixtuntc, 

 epi, 



Species '.': 



Cyrena tumida. Gi/i 



suba-quilatcrali, fumidd, 



rugatd, ad latera pwi'in-i ".j'lisctld, epidenitide 



auraiitid indiitd, ititiis et ad apicem dense jmr. 



pured ; latere piostico lotiijiiisrulo, obtusissime an- 



gidato. 



The tumid Cyrena. Shell trigonal, high, thin, some- 

 what equilateral, tumid, irregularly distantly 



wrinkled, purple-brown at the sides, covered 

 with an orange-brown epidermis, deep purple 

 within and at the apex; posterior side rather 

 long, very obtusely angular. 



Deshayes. Proc. Zool. 1854, p. o4;;. 



Uab. Borneo. 



Species 93. (Mus. Hanley.) 



Cyrena akata. Cyr. testa ovatd, tenuissiind, rosact 



tuniidissimd, liris mngni:<, disfantibus ad late 



.<ab,.hli.iHi t,n„i.>„„t:i,Hs n>,,ald, rj.idmuidr a 



rantin.jl.ni. 1,1 „„/„/,!; htlrrr „ ,il n-.. ,:.huuh. rat 



ullat,. 



late 



duet,, 



tenuato, anguslii truncato. 



The ploughed Cykena. Shell ovate, very thin, pinky, 

 very tumid, wrinkled with large, distant ridges, 

 terminating rather obliquely at the sides, covered 

 with an orange-yellow epidermis ; anterior side 

 rounded, much iiiHuted ; posterior side more 

 produced, slightly attenuated, narrowly trun- 

 cated. 



Blanford. ? MS. Hanley Coll. 



Eab. Tenasserim. 



Species 'J4. (Mus. Hanley.) 



Cyrena prolongata. Cyr. testa omitu-sni.lriiioiid, dr. 

 2Jressd, elongatd, Cumjjreasd, tr,i:ii.i.<ii,ir lira to. 

 epidcrmide tenui, stramined, iuduti'i. inlii.s- .<»/,- 

 cwrudeo, alba; latere aniico hrevi, declivi, latere 

 postico attenuato, siibacnminato. 



The lengthened Cyrena. Shell ovate-subtrigonal, 

 depressed, elongated, compressed, very fiuelv 

 ridged, covered with a thin sti-aw-coloured epi- 

 dermis, bluish white within ; anterior side short, 

 sloped ; posterior side attenuated, subacuini- 

 nafed. 



Prime. v- MS. Hanley's Collection. 



Hab. Wide Bay, Australia. 



Species 95. (Mus. Hanley.) 

 Cyrena Mullekiana. Cyr. trstd siil,r,,fioid,!. atti 



linnidd, 

 Kiihnrid. 

 vinuiJU. 

 cnitruliij 

 deeliei. 



.,,rd,:„.::p,np,n:d.r^,;dern,id, 

 nhit.;, tin, r, '!„/,:< ,l,st,inf,hns. 

 •dibns rag,:t.i ; „,nbo,ubi,s /eri- 

 is, iiianjiiie dursali utrinqiir 



