F I S S U R E L L A 



Species 81. (Mus. Cuming.) 



FissuuELLA NiGRiEADiATA. Fiss. testd elevato-coiiicd, 

 aiiticc iiicUitatd, crassiuscidd, cosiis radiantibus el 

 conccntrieis dense et suhrude clathratd, mtei-stUus 

 profiindis, orificio ovato ; alia, intense nigro inter- 

 ritpte rndlald. 



The liLACK-KAYED FissURELLA. Shell elevately conicnl, 

 iiicliiu'd anteriorly, rather thick, closely and some- 

 what rudely latticed with radiating and concentric 

 ridges, interstices deep, orifice ovate ; white, rayed 

 in an interrupted manner with intense black. 



Hah. ? 



A pure white shell, rayed with about eight deep black 

 streaks, which are here and there interrupted. 



Fig. 109 a, b, c. (Mus. Cuming.) 

 The specimens here figured must be referred to F. eahj- 

 cidala ah-eady dcseribcd. It is an extremely variable 

 species, except in that the three posterior ribs are always 

 larger than the rest, and the sculpture of the same plan 

 more or less thickened. 



Species 110. (Mus. ^Metcalfe.) 



FissuRELLA ELONfiATA. Fim. li'std siibelougato-obloiitjd, 

 dcpressd, teniiicidd, coslh tenuibus radiantibus et coii- 

 ceniricis luidiij/ie n'dide clath-atd, orificio ovato, magna, 

 anlico ; albidd, macidis parvis ferrugineis Jdc iUic 

 sparsini uotatd. 



The ELONGATED FissuEELLA. Shell clongately oblong, 

 depressed, rather thin, neatly latticed throughout 

 with radiating and concentric fine ribs, orifice ovate, 

 large, anterior ; whitish, sparingly marked here and 

 there with small rust-spots. 



Philipvi, Abbild. mid Besch. Couch, vol. ii. p. 3.3, Fiss. 

 pi. 1. f. 3. 



Hah. ? 



A depressed whitish shell, with a few small scattered 

 rust-spots, and rather large orifice. 



Species 111. (Mus. Iklcher.) 



FiSSUUELLA ACULEATA. FisS. tesfd oUuiUJO-Otuld^ (intirc 



subullciiiudd, depressd, medio elnalinsculd, radiuliin 

 August 



costeUatd, concentrice laminatd, lamiuis eleganter 

 aridealo-squamatis, orificio ovato, magno ; spadiceo- 

 albd. 



The prickly Fissurella. Shell oblong-ovate, slightly 

 attenuated anteriorly, depressed, rather elevated in 

 the middle, radiately finely ribbed, concentrically 

 laminated, lamina; elegantly prickly-sealed, orifice 

 ovate, large ; fawn-white. 



IM. ? 



The radiating ribs of tliis elegant species are almost 

 wholly formed of elevated in-iekly scales. 



Species 112. (Mus. Metcalfe.) 

 Fis.suiiELLA coNciNNA. Fiss. testu oblongo-ovatd, de- 

 pressiuscidd, medio elevald, radiatim obscurii uodidoso- 

 liratd, striis concentricis snbcomigatis decussatd, ori- 

 ficio ohhngo, hderibus medio e.rcnvalis ,- sordidii olivaced, 

 /"'-/'■'.■''.'' -/'.'/y/'/v'i, hdinidiidd, un/ieii murgiiie albo. 

 The riMM. 1 I- , i;i,i,LA. Sli.li ubidiig-ovate, rather 

 ilrpr. --.J, I ii-.d ill the midtlle, raibately obscurely 

 ly ridged, decussated with subcorrugate 



nodul 



concentric strife, orifice oblong, sides excavated in 



the midtlle ; didl olive, broadly rayed with dark 



purple, edge of the orifice white. 

 I'uiLri'Pi, Abbild. und Besch. Conch, vol. ii. p. 6G. Fiss. 



pi. 2. f. 5. 

 IM. Chili. 



This species a]iproxiniates very closely to F. ma.fima in 

 a young state. 



Species 113. (Mus. Belcher.) 

 FiSSUUELLA excelsa. Fiss. testd elerrdo-conicd, 

 iiicliiudd, cos/is radiantibus et co/imi/nn.s ■■m 

 clulhrald, costis eleganter muricntu-xi/miu/idit, 

 parvo, laleribus medio concinne e.mini/i.s ; fii.m 

 albd, ro-ieo-fusco Jdc illic niacididd. 

 TuE LOFTY Fissurella. Shell elevately come 

 clined anteriorly, finely latticed with radiatii 

 concentric ribs which are elegantly squamate, 

 small, sidrs pr<:ttil\ rxeavated in tlir middle; 

 isli-uhite, spotted hciv and there uilh p 

 brouii. 

 Hub. Eastern Seas. 



anlicc 

 blilder 

 orfivio 



al, in- 

 ig and 

 orifice 

 brown- 



linkish- 



