108 STALK- AND SESSILE-EYED CRUSTACEA 
of the remaining pairs simply adapted for walking. Caudal appen- 
dages rather large, placed laterally, ciliated on the margins. Branchie 
ciliated. Maxillipeds elongated, 4-6 jointed, all the joints lamellate, 
the terminal joints short and broad. 
Sub-Family I. Acina. 
Aigine, Dana, U.S. Explor. Exped. xiv, Crust. part i, p. 747, 
(1853). 
Legs of the first three pairs with strong curved claws, of the remaining 
pairs with small claws. 
ZEGA. 
ga, Leach, Linn. Trans. xi, p. 369, (1815) ; M. Edw. Hist. Nat. 
Crust. i, p. 238, (1840) ; Dana, U.S. Explor. Exped. xiv, Crust. 
part ul, p. 747, (1853). 
Moderately oval and convex. Eyes large. Front not prominent, 
External antenne separated from each other by a process of the 
epistome. Internal antenne approximated at base, very short, with 
the basal joints broad and flattened, occupying the front margin of 
the head. Caudal appendages flattened, reaching about to the ex- 
tremity of the terminal segment. 
115. A&ga nove-zealandie. 
Aiga novi-zealandiw, Dana, U.S. Explor. Exped. xiv, Crust. part 
Hs yp. 07, pl. fie, 2,(1853). 
Body naked, rather narrow. Head very short. First thoracic 
segment longest, others sub-equal. Abdomen not abruptly narrower 
than thorax, gradually narrowing, six-jointed, posterior segment broad, 
but not transverse, not triangular, broadly rounded at extremity, and 
ciliate. Caudal appendages not longer than abdomen, Colour, dirty 
brown. Length 3 lines. (D.). 
New Zealand; Bay of Islands (Dana). 
On bait while fishing. 'This species I have not seen, 
Sub-Family I. CrroLanina. 
Cirolanine, Dana, U.S. Explor. Exped. xiv, Crust part ii, p. 748, 
(1853). 
Legs all formed for progression, with small claws, 
