260 PEECY SLA DEN TEUST EXPEDITION. 



aud shorter than the endopodite of the last limb, which in turn is shorter than the 

 exopodite. The petasma is complicated, and has the shape shown in fig. 3 a. 



Length of largest specimen 375 cm. 



Specimens were taken throughout the Maldives and in Cargados Carajos in various 

 depths. 



STENOPIDEA. 



Family StenopidsB. 



Genus STENOPUS, Latr. 182.5. 



10. Stenopus hispidus (Olivier), 1811. 

 Bate, ' Challenger ' Macrura, p. 211, pi. 30. 



Found by the expeditions throughout the Western Indian Ocean, living in pairs under 

 loose coral masses on all the surface-reefs. 



11. Stenopus tenuirostris, de Man, 1887. 

 Arch. Naturg. liii. i. p. 567, pi. 22 a. fig. 5. 



Two small specimens of this species were taken in Coetivy Island, Seychelles. 



12. Stenopus rohusttis, sp. n. (Plate 16. fig. 4.) 



JMagnosis. — A Stenopus with the cuticle stout ; the body broad and depressed ; the 

 spines on the carapace regularly arranged, fewer and stouter than in S. hispidus ; the 

 rostrum bent somewhat downwards, slender, bearing on its free part three teeth above 

 aud none below ; the first two pairs of legs smooth ; the third very massive, its hand 

 almost smooth, with a rough edge below and a rough-edged crest above, its wrist 

 rougher, with a few stout sj)ines above and below, its arm rough, with several sharp 

 spines below ; the last two pairs of legs moderately slender, with short, curved end-joints 

 each bearing a spine below ; the abdominal segments smooth, transversely ridged, with 

 sharp pleura ; the telson short, broad, with two longitudinal ridges bearing obsolescent 

 spines. 



Length to end of rostrum 1-5 era. 



A single specimen from Salomon Atoll, Chagos Archipelago. 



DECAPODA REPTANTIA. 

 PALINURA. 



Family PalinuridaB. 



Genus PANULIRUS, White, 1847. 



13. Fanulirus penicillatus (Oliviei-), 1811. 

 Bate, 'Challenger/ Macrura, p. 82, pi. 12. fig. 2. 



A specimen was taken on the reef at Egmont Atoll, Cliagos Archipelago. 



