Boone, Crustacea, Cruise of "Alva," 1931 167 



The second pair of legs is missing. 



The third, fourth and fifth pairs of legs are similar, exceed- 

 ingly slender ; the propodite is armed with five articulated spines 

 along the inferior lateral margin ; the dactyl is unguiculate, curved, 

 acuminate. 



The third abdominal segment has the posterior contour as 

 figured by Mr. Borradaile. The remainder of the abdomen of the 

 Samoan specimen also conforms to the description. 



References : Anchistia inaequimana, Heller, C, Reise. Oster- 



reich. Fregatte "Novara," Rept. Zool., Th. II, Abt. Ill, 1865, 



p. 109. 

 Anchistia Petitthouarsii, DE Man, J. G., Arch. f. Naturg., Bd. 53, 



1887, p. 54. 

 PeHclimenes petitthouxtrsii variety spiniferus, DE Man, J, G., 



Abhandl. Senck. Naturf . Gesellsch., Bd. XXV, heft III, 1902, 



p. 824. 



Periclimenes Petitthouarsii variety spinigera, NOBILI, G., Ann. 

 Sci. Nat. Zool. Paris, ser. 9, t. IV, 1906, p. 49. 



Periclimenes Petitthouarsii variety spinifera, Lenz, H., in Voeltz- 

 kow's Reise in Ost.-Afrik. Wiss. Ergebn., Bd. II, 1910, p. 567. 



Periclimenes (Falciger) spiniferus, Borradaile, L. A., Trans. 

 Linn. Soc. London, Zool., vol. XVII, 1917, p. 1924. 



Periclimenes (Ancylocaris) spiniferus, KEMP, S., Rec. Indian 

 Mus., vol. XXIV, 1922, p. 195. 



Genus: HARPILIUS Dana 

 Harpilius lutescens Dana 



Plate 45 



Type : Dana's type came from the reefs of Tongatabu and is 

 deposited in the Philadelphia Academy of Natural Sciences. 



Distribution: Tongatabu (Dana) ; Red Sea, Erythree (No- 

 bili, Kemp) ; Tahiti, Society Islands (Boone) ; Marquesas Islands 

 (Boone). 



Material examined : Three specimens, taken on Venus Point 

 Reef, Tahiti, Society Islands, August 15, 1931. One specimen, 

 coral reef, Anaho Bay, Nuka Hiva, Marquesas Islands, August 

 10,1931. 



