DR WILLEY FROM THE SOUTH SEAS. 413 



longer than telson ; telson armed with four pairs of spines above, and with two pairs 

 at the free end." 



2 $ from Blanche Bay, New Britain. 2 j" from the D'Entrecasteau.v Group, British 

 New Guinea. 



28. Pandalus {Pariipandalus) longirostris sp. ii., Figs. IQii — 10/;. 



Diagnosis: — " A Piuulalus with the rostrum long, outreaching the antennal scale, bent 

 upwards and armed above and below with movable spines, those at the base above being 

 louger and farther apart than those towards the free end, and the first three or four 

 being placed on the carapace ; carapace with antennal spine, a spine at the pterygo- 

 stomial angle, and a keel on the anterior half of its dorsal surface ; eyes fairly large, 

 with ocellus distinct but not completely sundered from the main cornea ; appendages 

 moderately stout: first antenna with the basal joint of the stalk longer than the 

 second and third together, third rather longer than second, second covered with hairs, 

 stylocerite longer than basal joint and ending in a spine, both flagella long, outer 

 broad and flat at base, in which region it bears a fringe of hairs; second antenna 

 with short stalk and long scale, whose external tooth barely projects at the end : 

 third maxilliped slightly longer than the antennal scale ; epipodite wanting from the 

 last leg only ; first pair of legs very little longer than third maxillipeds ; second pair 

 of legs equal, with about 25 joints in the wrist ; uropod longer than the telson, which 

 is narrow, elongated, and armed at the end with one median and four movable lateral 

 spines, and bears four pairs of spines on the doisal surface." 



Length 130 mm. 



4 % from New Britain, 2 with eggs. 



Genus. Heterocarpus A. M.-Edw., 1881. 



29. Heterocarpus ensifer A. M.-Edw., 1881. 



Heterocarpus ensifer, A. M.-Edw., Ann. Sci. Nat. (6) xi. 4 p. 8 (1881); Bate, 

 "Challenger" Macrura, p. 638 pi. cxii. fig. 4 (1888). 



In the present specimen the spines on the rostrum vary from 12 to 16 above, 



and from 7 to 10 below. 



The first leg is simple. In H. gihbusus Bate it is chelate (Caiman, loc. cit.) 



3 % and 2 (^ from Blanche Bay, New Britain. 4 young specimens from the 



same localitv in 100 fathoms of water. 



Family. Hippolytidae. 

 Genus. Savon Thallw., 1891. 



30. Siiron mannoratus (Oliv.). 1811. 

 See P. Z. S. 1898, p. 1009 (1899). 



1 ? from Nivani, Louisiades, British New Guinea. 



w. IV. 56 



