518 REVISION OF THE RECENT LAMELLIBRANCHIATA OP N. Z., 



Hemimactra ovatra. Gray in Dieffenbach's New Zealand, II , 

 p. 251 (1843); Reeve, Conch. Icon. Mactra., fig. 30. .1/. 

 dehcta. Gould. Pro. Bost. Soc. Nat. Hist., 1849, III., p. 215. 

 Jf. nidi's. Hutton, Cat. Tertiary Moll, of New Zealand, 

 p. 19 (1873). 



Habitat. — Throughout New Zealand, in estuaries. 



Hemimactra. elongata. Quoy and Gaimard, Voy. Astrolabe, 

 Zool. III., p. 518, pi. 83, fig. 1-2 (1835) [not of Reeve]. J/. 

 infiata. Hutton, Cat. Tertiaiy Moll, of New Zealand, p. 18 

 (1873). 



Habitat. — Cook's Straits and the South Island. 



Hemimactra notata. Hutton, Cat. Marine, Moll, of New 

 Zealand, p. 64 (1873). M. elongata. Reeve, Conch. Icon. 

 Mactra., fig. 43 [not of Quoy and Gaimard], 



Habitat. — Throughout New Zealand. 



Zenatia acinaces. Quoy and Gaimard. Voy. Astrolabe, Zool. 

 III., p. 545, pi. 83, fig. 5-G (1835) : Reeve, Conch. Icon. 

 Lutraria, fig. 14. Z. cumingiara, Deshayes, Pro. Zool. Soc, 

 1854 ; Reeve, I.e., tig. 13. Z. solenoides, Deshayes, l.c , 1854 ; 

 [not of Lamarck]. Z. Deshaysii, Reeve, I.e., fig. 1. 



Habitat. — Throughout New Zealand. 



Vanganella taylori. Gray, Ann. Nat. Hist, 1853, XL, p. 476 ; 

 Voy. Erebus and Terror, Moll , pi., 2, fig. 5. Lutraria 

 lanceolata, Reev, Conch. Icon., fig. 17. Tryon Structural and 

 Systematic Conchology III., pi. 110, fig. 10. 



Habitat. — Cook's Straits and South Island. 



Raeta perspicua. Hutton, Cat. Marine Moll, of New Zealand, 

 p. 65 (1873). 



Habitat.— Bay of Islands, and Wellington (T. W. Kirk.) 



