gg(5 PELECYPODA. \Etdamellibranchw. 



4. Lima bullata, Born, 1780. Plate 58, fig. 13. 



Ostrea bullata, Born, Mus. Cses. Vindobon., 1780, 110, pi. H, f. 8. /,///// 

 bnll'itft. Born. Thes. Conch., i, 1843, 84, pi. 20, f. 32, 33 ; Conch. Icon., 

 xviii, pi. i, f. 3 ; Tryon, Struct. & Syst. Conch., iii, 287, pi. 132, f. 93 ; 

 C.M.M., 83 ; Crit. List, 49 ; Button, P.L.S. N.S.W., ix, 531 ; Chall. 

 Rep., xiii, 292. Pritchard and Gatliff, P.R.S. Vic., xvii (n.s.), 2fiO ; 

 Verco, T.R.S. S.Aust., xxvi, 314. Ostrei inflata, Gmelin, Syst. Nat,, 

 ed. 13. 1790, 3321. Lima Strangei, Sowerby, Conch. Icon., xviii, pi. 3, 

 f. 15. L. japonica, A. Adams : Hutton, J. de Conch., xxvi, 55 : M.N.Z.M., 

 172 ; not of A. Adams. 



Shell elongate, very slightly oblique, equivalve and subequilateral, 

 fairly solid, radially costate, white. Beaks distant, pointed, incurved. 

 Ears small, slightly produced, nearly equal in size. Anterior and 

 posterior ends convex, subequal, the latter slightly more convex ; 

 basal margin narrowly convex. Sculpture consisting of numerous 

 fine radiating costse, which become obsolete at the sides, with fine 

 concentric growth-lines. Colour white. Interior lightly shining, the 

 radial sculpture more or less visible. Margins faintly crenate. Hinge 

 area straight ; the cardinal area transversely lamellate. Resilifer 

 broadly triangular, not deep. Adductor-sear posterior, not large, 



rounded. 



Diameter Ant. -post., 17mm.; dorso-ventral, 29 mm. : thickness, 



18 mm. 



Type in the K.K. Hofmuseum, Vienna. 



Hob. Cape Maria van Diemen ; Bay of Islands ; Hauraki Gulf ; 

 south of Oamaru, in 40 fathoms ; twenty-four miles south-east of 

 Cape Saunders, in 120 fathoms ; 21|- miles north-east of Wreck Reef, 

 in 50 fathoms (E. R. Waite) ; Stewart Island ; Snares, in 50 fathoms 

 (Captain Bollons) ; Chatham Islands ; Kermadec Islands (Captain 

 Bollons). Also Tasmania, Australia, and Philippine Islands. 



Fossil. Oligocene to Pliocene. 



5. Lima Suteri, Dall, 1908. Plate 63, fig. 5. 



Lhiift (LitiKittda) Suteri, Dall, Bull. Mus. Comp. Zoology, Harvard College, 

 xliii, No. 6, Oct. 1908, 410. 



Shell about the size and form of L. subauriculata. Beaks small, 

 prominent. Sculpture consisting of fine concentric incremental lines 

 and feeble radial riblets. discrepant on the two valves, slightly directed 

 backward distally ; both valves with a well-defined median sulcus, 

 which on the interior of the valves is bordered on each side by a single 

 distinct rib ; right valve externally has 1 rib in front of the sulcus 

 and 7 to 9 behind it ; left valve with 7 or 8 ribs on each side of the 

 sulcus ; the ends of the ribs serrate the ventral margin. Colour white 

 or pale-brownish. Hinge-line subequally divided, the auricular angles 

 prominent ; the amphidetic area narrow. ResiUary pit wide and 

 short. 



