19S fissurellidjE. 



aperturse minute denticulato ; foramine brevi, declinato. Obs. 

 Regularly radiated with close, equal, scabrous ribs. 



95. viridula (f. 62), Lamk. — Ovali, subarcuatim elevata, 

 viridi vel fusca ; costis radiantibus, rotundis vix nodulosis, quarum 

 20 albis extantibus, et alteris intermediis fuscis vel viridis minori- 

 bus; intus albo margine crenulato, prope apicem subcseruleo ; callo 

 nigro-marginato; forauiine angusto, medio coarctato. Obs. A 

 beautiful species, with radiating white ribs and three ribbed green 

 or greyish-brown interstices. 



96. tegula (f. 57), Rve. — Parva, oblonga, erassa, postice ar- 

 cuata, antice brevi, declivi, grisea, nigro radiata; inter radios 

 nigros costis depressis, quarum posticis majoribus radiatis ; 

 intus pallide griseo, aperturce margine minute denticulato nigro, 

 callo nigro-marginato ; foramine oblongo. Obs. Small, narrow, 

 arched, grey with black rays between smooth depressed ribs. 



97. Lincolni (f. 133), Grey, Soicb. — Ovali, alba, arcuatim 

 elevata, antice paulo angustiore, marginibus laqueatis extantibus 

 conceutrice lirata, costis scabris et fasciis purpureis radiata ; intus 

 albo, callo circulari, tumido ; apertune margine denticulato, macu- 

 lato ; foramine rotundo, antico profundo, margine postico elevato. 

 Obs. A whitish shell with purple rays, rendered scabrous by the 

 fluted edges of former stages of growth, and radiating ribs rough- 

 ened by the crossing of these lines. 



98. aspera (f. 125), Sowb. — ■ Ovali-subrotunda, conica, ele- 

 vata, fusco-nigricante, vel obscure fasciata ; liris elevatis, fimbriatis ; 

 concentricis, et costis numerosis angulatim nodnlosis scabris ; intus 

 pallide cwruleo ; callo rotundo, tumido ; margine aperturae duplica- 

 tim denticulato ; foramine rotundo, supra medium posito, antice 

 declinato. Obs. A darkly-coloured shell roughened by concentric 

 fringes and angularly-knobbed ribs. 



99. lima (f. 124), Soiob. G. B. 2.—F. aspera simili, sed liris 

 concentricis et costis radiantibus multo minoribus ; foramine 

 parvo, oblongo. Obs. The sculpture is so much finer than F. 

 aspera as to compel the separation ; the foramen is also small and 

 narrow. 



100. digitale (f. 122), Rve. — Ovali-subrotunda, oblique ele- 

 vata, striis miuutis scabris radiata; apice valide versus marginem 

 anticum inclinato ; olivacea, prope apicem subcrerulea, intus alba, 

 versus callum grisea ; margine olivaceo; foramine parvo. Obs. 

 Finely reticulated, greyish-olive, much inclined anteriorly, with a 

 small rounded fissure. 



