OF NEW ZEALAND. 85 
Second pair ef legs much larger and longer than the first, wrist 
never annulate. Mandibles deeply bilobed, often palpigerous. Rostrum 
well developed. 
PALAEMON. 
Palaemon, Fabr. Ent. Syst. Suppl. p. 378, (1798); M. Edw. Hist. 
Nat. Crust. 1, p. 387, (1837); Dana, U.S. Explor. Exped. xiii, Crust. 
part 1, p. 535, (1852). 
Carapace somewhat compressed, and rounded above, with a marginal 
spine below the eyes, and sometimes a second spine placed behind 
it upon the hepatic region. Rostrum long, laterally compressed and 
dentated. Eyes prominent, not concealed by the carapace. Internal 
antenne with three flagella. External maxillipeds slender. Mandibles 
with a three-jointed palpus. First and second pair of legs chelate, 
the first pair slender, the second much longer and larger, not lamel- 
late. Abdomen large. 
Sub-Genus I. LEANDER. 
Leander, Desm. Ann. Soc. Ent. France vii, p. 87, (1849). 
Carapace with a lateral spine on the front margin, and a second 
marginal or submarginal spine placed beneath it, but without a 
spine on the hepatic region behind the upper marginal spine. 
(Species usually of small size. Legs of the second pair not so greatly 
developed as in Palamon ). 
91. Leander affinis. 
Palemon affinis, M. Edw. Hist. Nat. Crust. ii, p. 391, (1837); 
Dana, U.S. Explor. Exped. xiii, Crust. part i, p. 584, pl. xxxviul, fig. 5, 
(1852). 
Palemon quoianus, M. Edw. Hist. Nat. Crust. ii, p. 3938, (1837) ; 
White, Dieffenb. Voy. New Zealand ii, p. 268, (1843). 
Beak a little longer than scale of outer antenns, usually seven- 
toothed aboye, and four-toothed below, a little recurved, sometimes 
appearing bifid at apex. Hands all very slender, first pair shorter 
than wrist, second pair considerably longer than wrist, fingers less 
than half the length of the hand, a little hairy within. Following legs 
