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74 STALK- AND SESSILE-EYED CRUSTACEA 
with many small tufts of depressed hairs, Length nearly 3in. (W.). 
New Zealand (Coll. Brit. Mus.). 
This species must be referred to Paranephrops, both on account of 
the hairy and spinose anterior legs, and the absence of the supple- 
mentary abdominal legs in the males, which are found in Astacus. 
Family II. PALINURIDZ. 
Langoustiens, M. Edw. Hist. Nat. Crust. i, p. 289, (1837). 
Palinuride, Dana, U.S. Explor. Exped. xii, Crust. part i, p. 515, 
(1852). 
Body subcylindrical, carapace more or less spmose. Antennary 
segment greatly developed; antenne very long, external antenne 
especially enormously developed, cylindrical, without a basal scale. 
External maxillipeds small, pediform. Legs all monodactyle, the 
anterior pair usually shorter and rather stouter than the rest. Sternum 
somewhat triangular in shape, broadest behind. Abdomen very large, 
terminal segment and appendages to the penultimate segment semi- 
membranaceous. 
PALINURUS. 
Palinurus, Fabry. (part) Ent, Syst. Suppl. p. 376, 400, (1798); 
M. Hdw. (Sous-genre Langoustes ordinaires) Hist. Nat. Crust. ti, p. 
292, (1837); Dana, U.S. Explor. Exped. xii, Crust. part i, p. 519, 
(1852); Heller, Voy. Novara, Crust. p. 94, (1865). 
Carapace with a small rostrum. Antennary segment very narrow 
above. External antenne nearly in contact with one another at their 
base, and concealing the bases of the internal antenne, the flagella of 
which are very short. 
80. Palinurus lalandii. 
Palinurus lalandiit, M. Edw. Hist. Nat. Crust. ii, p. 293, (1837). 
Carapace armed with spines and covered with large oval depressed 
tubercles, which are separated at their base by close, short hairs. 
Rostrum with the lateral spines smooth above and below, and not 
projecting nearly so far as the small median spine, below the base of 
which are two small spines. Abdomen entirely covered with flattened 
