36 



BEACHIOPODA. 



curved, thick, laterally keeled, truncated by a large foramen ; deltidium 

 large and solid ; loop rather short, reflexed. Length, 1"65 ; breadth, 



1- 3 ; height, '8. 



Localities. — Chatham Islands ; Broken River (l) ; Culverden ; 

 Pakau ; Castle Point. 



3. W. triangulare, sp. mv. Hector, Cat. Col Mus., 1870, p. 

 189. Shell orbicular, smooth ; inequivalve, ventral valve broadly 

 keeled, with the sides flattened ; beak much incurved, foramen com- 

 plete, small ; anterior margin with a downward sinuosity. Length, 



2- 1 ; breadth, 195 ; height, 1-4. 



Localities. — Oamaru ; Weka Pass (u) ; Castle Poiut ; Upper 

 Wanganui Eiver. 



4. "W".(?) Sinuata, sp. nov. Shell orbicular-trigonal; valves 

 sub-equal, smooth ; beak very short, deltidium hidden ; ventral valve 

 with a broad marginal sinus ; dorsal valve convex ; margin much sinu- 

 ated. Length, 1 ; breadth, '8 ; height, "5. 



Localities. — Oamaru ; Curiosity Shop ; Broken Eiver (l) ; Lyndon. 



5. "W. patagOnica, Sowerhy ; Terehratula patagonica, Sowerhi/, 

 in Darwin's South America, p. 252. Shell oval, smooth ; valves nearly 

 equally convex ; beak of ventral valve produced, slightly curved, thick, 

 laterally keeled, truncated by a large foramen ; deltidium large and 

 solid ; loop elongated and reflexed. Length, 1*3 ; breadth, 1*1 ; 

 height, 75. 



Localities. — Cobden ; Culverden ; Manawatu Grorge ; Broken 

 Eiver (l). 



6. "W". tapirina, sp. nov. Shell sub-orbicular, smooth ; valves 

 nearly equally convex ; beak of ventral valve produced, slightly curved, 

 laterally keeled, foramen minute ; deltidium large and solid. Length, 

 •85 ; breadth, '8 ; height, 4^6. 



Localities. — Cobden. 



7. W. gravida, Suess, Voy. Nomra, Palce., p. 56, pi. ix., f. 5. 



Shell large, oval, smooth, valves nearly equally convex; beak short, 

 thick, not keeled laterally ; foramen very large ; deltidium small. 

 Length, 31 ; breadth, 2-15 ; height, 1-75. 



Localities. — Culverden ; Broken Biver (l). 



TEREBRATELLA. 



8. T. cruenta, Dellwyn; Cat. Marine Moll, p. 85. 

 Localities. — Wanganui (u) ; Shakespeare Cliff. 



9. T. rubicunda, Solander ; Cat. Marine Moll, p. 85. 

 Localities. — AYanganui (u) . 



10. T. dorsata, Gmelin. Shell broadly ovate, somewhat tri- 

 lobed, radiately ridged, the lateral ridges more oblique than the mesial ; 

 margins denticulate ; dorsal valve with a broad and shallow central 

 depression ; beak short ; foramen very .large, incomplete ; deltidia 

 small, triangular, separate ; hinge area large, rather flattened ; loop 



