PRESTW1CH — ( -CRAG-BEDS OF SUFFOLK AND NORFOLK. Conchifera (continued). 141 II. Names of Species. m. Critical remarks and synonyms. IV. Zones of depth. Geographical distribution. VI. Localities in the Coralline Crag. VII. Belgian. Crags. Pholadomyahesterna Pholas crispata — cylindrica Pinna pectinata (?) Poromya granulata tPsammobia costu- lata. Ferroensis tellinella vespertina Saxicava arctica ... — ? carinata t ? fragilis — rugosa tSolecurtus antiqua- tus, Pult. Solen ensis Sphenia Binghami? Tapes perovalis yirginea Tellina balaustina . . . — crassa f donacilla — donacina — obliqua Teredo norvegica . . . tThracia distorta, Mont. f — — inflata phaseolina pubescens f ventricosa Venus casina — imbricata — ovata A fragment only ... P. rudis, L 8. rugosa, var Panopea plicata, Mont., var. P. plicata Gr. Mjei' T. virgineus, L., var T. compressa, Pre. T. calcaria, Ch., var. T. corbuloi'des, Des- hayes, var. T. papyracea, Poli T. convexa, W.Wood V. fasciata, Pa C, var Lt CD lltr-D L-D L-D Lt-C L-D Lt^D L-C L-C L-C Lt-D L-D Lt-D C L-C L-D Lt Lt-C C Lt-D CD L-D L-D Lt-D L-D BSW BMW At B S M W At B SMWAt B SMWAt BSW B S M WAt BSW B SAM WAt B S M W At B SM W BMW SdRGo? S S passim GSR B S M W B M W At B S M W M W B M W At B? S A At B S M W B S M W M B S M W At B M W At B S M W B S M W At BSMW Japan B S M W At GSRB S SdR s sgo S S passim S r S S s s SdSBGo SdR B Go S R Sd SdBGo S Go GS GRB passim GRB Go passim o # o * III. SOLENOCONCHIA. 190 188. fDentalium bifissum Dischides Olivi , Scacchi. C-D C-D M W M W S Go S Go o *
IV. Gastropoda. J J J 171. 170. tAclis ascaris, Turt. t Gulsonse, Clark t Walleri, Jeffr. Actaeon levidensis ... tornatilis C-D C D-D BSMW B W B SAM WAt S s s s s
(Tornatella elongata) o # o * Lt-D BSMW
