112 ' REPORT 1873. 



Additiuns to the Marquis de Montcrosato' s Catahjuc of Mediterranean Shdk. 

 From the 'Porcupine' and '/Shearwater' expeditions. 



CoNCHIFEEA. 



P. Pleurotiectia Icsvis, Jeifr. MS. A single valve only. Off Kasel Amousli, coast 



of Timis, 45 fathoms. 

 P. Mytilus incurvatus, Philippi (Modiola). Station 56a ; 152 f. Fossil at Piagga 



in Sicily. 

 F. ]Vuctdatumidula,'M&\m. St. 55; 1456 f. Atlantic also. 

 P. convexa, Jeflr. MS. 40-1456 f. Allied to A''. temiis,'hvii more convex and 



square, -with a straight cartilage-pit. 

 P. Sulenella cuneata, Jettr. MS. St. 51 ; 1415 f. Very distinct from S. ohtusa, 



Sars. 

 P. i«7« ;;/e/(/ff, Lovun. St. 55; 1456 f. Atlantic. 



P. ohlonf/a, Jcifr. MS. St. 55 : 1456 f. 



P. stibrotmida, JeHi. MB. St. 65; 14.50 f, 



P. Limojisis aurita, IJrocchi. Adventure Bank, 02 f. Atlantic also. 



N.B. Gonldia hipariita of iMonterosato's Catalogue has a conspicuous 



external ligament, and is a true Astarte. 



Specimens oi Astarte trianr/idaris, of the same size and apparently of the 



same age, have the inside of the margin indifferently notched or quite 



smooth ; some are notched, while others twice the size are smooth. All 



these specimens were dredged in the same spot. 

 S. Cardita incnrva, Jeffi-. IMS. Fossil in Sicily (Monterosato) ! 

 P, Lyonsia forniosn, Jeffr. MS. St. 55 ; 1456 f. Atlantic also. 

 P. Neara 'obesa, Lov. St. 55 ; 1456 f : Adventure Bank, 92 f. Atlantic also, 



from Norway to the coast of Portugal. 

 P. Pecchiolia inscnfpta, Jefl'r. MS. Off Jijeli, 40-80 f. 

 P. Pholadomya Loveni, Jeffr. MS. St. 55; 1456 f. A fragment only, but 



unmistakable. Atlantic also. 



SOLENOCONCHIA. 



P. Dentalium incerium, Ph., =D. agile, Sars. Adventure Bank, 92 f. Atlantic also. 



Gastropoda. 



S. Tectura fvlva, Miiller. Atlantic also. 



P. Propilidmm scahrvm, Jeflr. MS. Adventure Bank, 92 f. Eesembling the 

 young of Gadinia Garnoti, but having the internal septum of Propi/idiiwi. 



P. Trochnsbianf/idatii,'i,lLich-wald,= T. ditropis,S,'Wood. Off Algesiras, 1-15 f.: 

 St. 60 ; 51 f 



P. suturalis, Ph. St. 45 ; 207 1 : off Easel Amoush, 45 f. Atlantic also. 



P. scabrosus, Jeflr. MS. St. 55 ; 1466 f 



P. Turbo Pomettcnsis,Segiieiiza, MS. St. 45 ; 207 f 



P. Eissoa subsohita, Aradas. St. 50 ; 61 f : St. 55 ; 1456 f. Adventure Bank, 92 f. 

 Atlantic also. 



P. — tenuisculpta, Jeth: MS. St. 53 ; 112 f. : Adventure Bank, 92 f. Atlantic 

 also. 



P. Odostomiafleruosa, Jeflr. MS. St. 60 ; 61 f. : St. 55 ; 1456 f. Adventure Bank, 

 92 f. Atlantic also. 



P. jndchra, Jeflr. MS., = O. canaliculata, Ph. ? Adventure Bank, 92 f. 



P. (Chemtiitzia) acutecostata. Jeffr. MS. St. 45 ; 207 f.: ofi' Easel Amoush, 



45f. _ _ _ _ 



P. (Chemnitzia)pavcistriata, Jeffr. MS. Benzert Eoad, 40-65 f. Atlantic also. 



P, {Evlimella) pralonya, Jeffr. MS. St. 60; 51 f. : St. 55 ; 1450 f. Adven- 

 ture Bank, 92 f. Atlantic also. 



P. {Eidimetla) nnifasciata, Jeffr. MS., ?=Etdimatmifasciata,'Forhes. Adven- 

 ture Bank, 92 f. ' 



P. Triforis aspera, Jeffr. MS. Adventure Bank, 92 f. Atlantic also, 



