202 MESSES. J. C. MELVILL A]S"D E. STANDEN OK 



CuSPIDAEIIDiE. 



447. Cuspid AEiA latisulcata, Ten-Woods. 

 Station 13, Mer ; Station 5, Boydong Cays. 



Pandoeid^. 



448. Pakdoea sp. . 

 It is unfortunate that the only specimen in the collection is 



in such unsatisfactory condition as to preclude a more detailed 

 description, for we are convinced it is new. Valve acinaciform, 

 trapezoid, insequilateral, arcuate and produced posteriorly^ 

 ultimately suddenly truncated and merged into the rounded 

 ventral margin ; anterior margin much abbreviated ; umbones 

 pointed, not conspicuous ; surface radiately unequally wavy- 

 costulate, which show through on the interior surface. 

 Station 13, Mer (Murray Island). 



Pholadomyid^. 



Pholadomta, Sotverht/, 1828. 



§ Paeilimta, subgenus novum. 



Yalvse fere sequilaterales, antice solum paullum hiulcse, costse 

 longitudinales valde obscurse, umbones parvi. 



449. P. (Paeilimta) Haddoni, sp. nov. (PI. 11. figs. 22, 

 22 a, 22 i.) 



P. testa cinereo-albida, delicatula, tenui, sequivalvi, fere sequi- 

 laterali, oblonga, postice clausa, antice paullum hiante ; umboni- 

 bus parvis, antice incurvis, approximatis, latere antico declivi, 

 breviter truncatulo, marginem versus ventralem subrotundato, 

 postice paullum magis producto, denique leniter rotundato, 

 superficie fere Isevi, concentrice insequiliter rudi-striatula,radiatim 

 costulis arctis, pellucidis, quasi-internis pulchre ornata; ligamento 

 externo ; pagina intus cardine utriusque valvse fere simplici, dente 

 margiDali obscure, parvo, nitido, quasi detrito, fossa triangular! 

 valvam apud dextram ; linea palliali fere obsoleta. 



Alt. 17, lat. 22, diam. 9 mm. (spec. maj.). 



Alt. 9, lat. 13, diam. 6 mm. (spec. min.). 



" Station 2, Warrior Island, at 5| fathoms, amongst broken 

 shells and sand. August 15, 1888."—^. C. E. 



Shell thin, equivalve, and almost equilateral, very delicate. 



