Crustacea.] SUBANTARCTIC ISLANDS OF NEW ZEALAND. 671 



Subclass COPEPODA. 



Order EUCOPEPODA. 



Fam. Calanidae. 



Genus Deguernea, G. M. Thomson, 1902 ( = Guernea G. M. Thomson, 1895). 



Deguernea antarctica (G. M. Thomson). 



Guernea antarctica, G. M, Thomson, Trans. N.Z. Inst., xxvii, p. 213, pi. xiv, 

 1895. Deguernea antarctica, Hutton, Index Faunae N.Z., p. 270, 1904. 

 Guernella antarctica, Mrazek, Hamburgher Magalhaensischen Sammel- 

 reise, Siiswasser-Copepoden, p. 25. 



Zra6.— Macquarie Island, in a fresh-water pool (A. Hamilton). 



Fam. Peltidiidae. 



Zaus contractus, G. M. Thomson. 



Zaus contractus, G. M. Thomson, Trans. N.Z. Inst., xv, p. 106, and xxvii, 

 p. 213. 



Hah. — Macquarie Island (A. Hamilton). 



This species occurs also at New Zealand. The Macquarie Island specimens 

 differ in some respects from the type, and Mr. Thomson has suggested the name 

 Z. hamiltoni, should they prove to form a distinct species. 



Subclass BRANCHIOPODA. 



Order CLADOCERA. 



Fam. Daphniidae, 



Genus Chydorus. 

 Distribution. — Cosmopolitan. 



Chydorus minutus, G. M. Thomson. 



Chydorus minutus, G. M. Thomson, Trans. N.Z. Inst., xi, p. 262, pi. ii, 

 fig. E3, 1878, and xxvii, p. 211, 1894. 



Specimens from a fresh-water pool in Macquarie Island (A. Hamilton) are con- 

 sidered by Mr. Thomson to belong to this New Zealand species. 



