FISSURELLA.— Plate XIV. 



The wicker Fissueella. Shell oblong-ovate, depressly 

 flattened, rather elevated in the middle, obtuse, ra- 

 diately ribbed, ribs small, close-set, ii-regular, very 

 closely decussated throughout with concentric ridges, 

 orifice oblong, rather small; ash-olive, obscurely 

 rayed, transparent ai'ound the orifice. 



Htih. ? 



The sculptui-e of this species is very peculiar, having the 



appearance of wicker-work. 



Species 106. (Mus. Cuming.) 



FissURELLA OSTRINA. Yi^s. testd ovatd, subconicd, lale- 

 ribns subcompressd, radathii liratd, liris subruyo- 

 sis, irregularibiis, obscure uod/dosis, orificio obloiujo, 

 angusto, lateribus medio excamtis; nigro-piirpured, ori- 

 ficium vermis rosacea, intus virescenie. 



The purple Fissurella. Shell ovate, slightly conical, 

 rather compressed at the sides, radiately ridged, 

 ridges subrugose, iiTegular, obscurely nodulous, 

 orifice oblong, narrow, sides excavated in the middle ; 

 very dark pui'ple, pinkish towards the orifice, greenish 

 within. 



Hnb. ? 



Simple in character, though irreferable to any hitherto 



described species. 



Species 107. (Mus. Cuming.) 



Fissurella Ticaonica. Fiss. testd ovatd, gibboso-ek- 



vatd, aidice valde imUnatd, subfalcatd, liris radianti- 



busfortibus angustis, striis concentricis elevatis undique 



densiclathratd, orificio elongato-oblongo, lateribus me- 



dio excavaiis ; virescente-albd, olivaceo-viridi sparsim 

 macidatd et punctatd, carulescente circa orificium. 



The Ticao Fissurella. Shell ovate, gibbously ele- 

 vated, anteriorly much inclined, slightly hooked, 

 thickly latticed throughout with strong narrow ra- 

 diating ridges and raised concentric stria, orifice 

 elougately oblong, sides excavated in the middle; 

 gi-eenish-white, sprinkled with dots and blotches of 

 olive-gi-een, bluish round the orifice. 



Ilab. Island of Ticao, Philippines (under stones at low 

 water) ; Cuming. 

 Au extremely characteristic species, much elevated and 



curved anteriorly, with the same naiTow oblong orifice 



mostly seen in the flat species. 



Species 108. (Mus. Cuming.) 



Fissurella quadriradiata. Fiss. testd ovatd, gibboso- 

 elevatd, antice subincUnatd, liris foriibns radiantibits, 

 alternatim majoribus, striisque elevatis concentricis 

 demissivie clatliratd, orificio subelongato-oblongo, late- 

 ribus medio excavaiis ; albd, nigro maculatd et conspi- 

 cue quadriradiata. 



The four-bayed Fissurella. Shell ovate, gibbously 

 elevated, a little inclined anteriorly, very thickly 

 latticed with strong radiating ribs, which are alter- 

 nately larger, and concentric raised striae, orifice 

 rather elougately oblong, with the sides excavated in 

 the middle ; white, blotched and conspicuously fom-- 

 rayed with black. 



Hab. Bais, Island of Negi'os, Philippines ; Cuming. 

 Very simOar in form and sculpture to F. RiippelUi, from 



which it differs in respect of the orifice. 



