404 ON THE STOMATOPODA AND MACRURA BROUGHT BY 



is sharply marked oflf from the telson. The latter is rather strongly convex, and is 

 covered with small blunt spines. Along the middle line runs a raised ridge, grooved 

 above. The marginal spines are small, and can hardly be seen from above. The sub- 

 medians have a movable tip. There are four or five submedian spinules and five or 

 six lateral. The uropod has a large basal joint, with the outer of the two spines on 

 its prolongation obsolescent. The two joints of the exopodite are subequal, the first 

 bearing eight spines on the outside. The endopodite is shorter than the exopodite. 

 The latter equals the telson. 



In the male the basal joint of the endopodite of the first abdominal appendage 

 is broad and armed with long stout hairs. The inner leaf of the end-joint is some- 

 what narrow. The outer leaf is narrow, and is shorter than the inner, behind which 

 it is hidden ^ The limbs of the pincers are long and narrow. 



1 (/ and 2 %, from Sandal Bay, Lifu, Loyalty Islands. 



Order. DECAPODA. 



Sub-Order. MACRURA. 



Tribe. PENAEIDEA. 



Family. Penaeidae. 



GE^X'S. Penaeus Fabr., 1798. 



8. Penaeus fi^suriis Bate, 1888. 



Penaeus fissurus Bate, " Challenger," Macrura, p. 2G3, PL XXXVI. , Fig. 1. 

 1 $ from Talili Bay, New Britain. 



9. Penaeus canaliculatus (Oliv.), ISll. 



Palaemon canaliculatus, Olivier, Encycl. Meth. viii. p. 660 (1811). 

 Penaeus canaliculatus, H. M. -Edwards, H. X. Crust. II. p. 414 (1837) ; Bate 

 "Challenger," Macrura, p. 243, PL XXXII. Figs. 1, 2 (1888). 

 1 (/ fi-om New Britain. 



Tribe. STENOPIDEA. 



Family. Stenopidae. 



Genus. Stenopus Latr., 182.5. 



10. Stenopus hispidus (Oliv.), 1811. 



Palaemon hispidus, Olivier, Encycl. Meth. viii. p. 666, PL XIX., Fig. 2 (1811). 

 Stenopus hispidus, Latreille, Desmarest's " Consid. s. 1. Crust.," p. 227 (182.5) ; Adams, 

 Voy. ' Samarang,' p. 61 (18.50) ; Herrick, Mem. Nat. Ac. Sci. v. 4, p. 348, Pis. V., XIII. 



1 Thus it is not shown in the figure gi%'eu in the P. Z. S. loc. cit. The lobe underlying the movable 

 limb of the pincers in this figure was drawn in error and does not exist. 



