4 PROCEEDINGS OF THE NATIONAL MUSEUM vol. 123 



Inner margin of uropodal endopod completely fringed with setae, margin 

 serrate at insertion of setae 3 



2. Rostral plate with sharp anterolateral angles; submedian teeth of telson with 



well-marked ventral carina; inner margin of uropodal endopod completely 



devoid of setae hendersoni, new species, p. 4 



Rostral plate with rounded anterolateral angles; submedian teeth of telson 

 poorly or not carinate; inner margin of uropodal endopod with 1-10 proxi- 

 mal setae demanii, p. 8 



3. Telson with dorsal spinules or spines 4 



Telson smooth dorsally 5 



4. Telson broader than long, dorsal spinules large; lateral marginal teeth prom- 



inent lanchesteri, new species, p. 11 



Telson as long as broad, dorsal spinules small; lateral marginal teeth ob- 

 scure spinosus, p. 14 



5. Proximal segment of uropodal exopod lacking fixed distal spine ventrally; 



lateral processes of sixth and seventh thoracic somites subequal. 



choprai, new species, p. 16 



Proximal segment of uropodal exopod with fixed distal spine ventrally; 



lateral process of sixth thoracic somite noticeably larger than that of 



seventh somite 6 



6. Intermediate teeth and denticles well-formed; uropodal setae in one marginal 



series incipiens, p. 18 



Intermediate teeth and denticles poorly formed, apex of teeth appressed to 

 margin of submedians; uropodal setae in several series on margin of 

 endopod espinosus, p. 21 



Gonodactylus hendersoni, new species 



Figures 1-2 



Gonodactylus new species de Man, 1888, p. 574, pi. 22a (fig. 7). 



Gonodactylus demani. — Kemp, 1915, p. 182. — Roxas and Estampador, 1930, p. 

 121.— Roxas, 1930, p. 18.— Serene, 1953, pp. 506, 507 [listed]; 1954, pp. 6, 10, 

 83, figs. 13-9, 14.— Stephenson and McNeill, 1955, p. 250. 



Gonodactylus chiragra var. Demanii. — Hansen, 1926, p. 26. 



Gonodactylus demanii. — Holthuis, 1941, p. 282, fig. 8b [part]. — Dollfus, 1959, 

 p. 242 [part; discussion]. 



Holotype— 19, 22.3; Burma; G. E. Gates; USNM 120467. 



Paratypes. — 29, 22.5-23.3; Waikiki, Oahu Id., Hawaiian Ids.; 

 coral head; R. A. Kinzie, III; USNM 120469. 19, 16.5; Naha, 

 Okinawa; Albatross; 1906; USNM 120468. 



Description. — Basal portion of rostral plate angled anterolat- 

 eral^, anterior margins straight, almost transverse or sloping 

 anterolaterally. 



Ocular scales obscure, low, rounded, possibly fused along midline. 



Mandibular palp and 5 epipods present. 



Lateral processes of sixth and seventh thoracic somites subtruncate, 

 rounded anteriorly and posteriorly, subequal in size. 



Sixth abdominal somite with 6 swollen carinae, each with small 

 apical spine. 



