no. 3618 GONODACTYLUS — MANNING 11 



Gonodactylus lanchesteri, new species 



Figure 4 



Gonodactylus spinosus. — Nobili, 1906a, p. 330. 



Gonodactylus demand var. spinosus. — Tattersall, 1921, p. 361. — Ramadam, 1936, 



p. 9.— Chopra, 1939, p. 172. 

 Gonodactylus Demani var. spinosus. — Parisi, 1922, pp. 4, 6; 1940, p. 4. 

 Gonodactylus Demani spinosus. — Gravel, 1936, p. 177. 

 Gonodactylus demani spinosus. — Monod, 1937, p. 19. — Ingle, 1963, p. 28, figs. 



25, 55. 

 Gonodactylus De Mani var. spinosus. — Dollfus, 1938, p. 215, fig. 17. 

 ^.Gonodactylus demanii. — Barnard, 1950, p. 862, fig. 3e. 



Holotype. — 1 cf , 34.2; Junghi Bay, Ibo Archipelago, Mozambique; 

 sand, mud, shell; 5-18 fms.; A. Patience; USNM 120286. 



Paratypes.— 1 d\ 22.7; 5 9 , 22.3-31.5; data as in holotype; USNM 

 44493. 



Other material.— 1 cf, 17.4; Eylath, Red Sea; Sta. E55/710; H. 

 Steinitz; Nov. 30, 1955; exchange from BMNH; USNM 120288. 

 19, 16.8; Eylath, Red Sea; Sta. E55/735a; H. Steinitz; Nov. 30, 1955; 

 exchange from BMNH; USNM 120287. 4d\ 15.6-24.8; Andro- 

 mache Reef, %-% mi. offshore from Mombasa, Kenya; 0-1 m, coral 

 reef and tide pools; Taylor, et al., Sta. RS-4; HOE; Nov. 16, 1964; 

 USNM 120291. 1 d", 29.8; 2 9, 24.8-25.9; Andromache Reef, south of 

 south channel off Mombasa Id., Mombasa, Kenya; %~1 m in reef 

 lagoon; L. S. Kornicker; HOE; Nov. 15, 1964; USNM 120293. 

 1 cf , 19.4; Andromache Reef, off Mombasa, Kenya; reef flat, 0-3.5 ft.; 

 Fehlman, et al., Sta. HA-2; HOE; Nov. 16, 1964; USNM 120294. 

 1 cf, 21.9; southwestern end of Mouniameri Id., between Mayotta 

 and Pamanzi Ids., Comoro Ids.; rocky lava and coral reef; 0-4 m; 

 Taylor, et al., Sta. RS-14; IIOE; Nov. 23, 1964; USNM 120292. 



Description. — Basal portion of rostral plate rounded antero- 

 laterally, anterior margins of basal portion transverse or sloping 

 posterolaterally. 



Ocular scales low, rounded or subtruncate. 



Mandibular palp and 5 epipods present. 



Lateral processes of sixth and seventh thoracic somites rounded or 

 subtruncate, subequal in size. 



Sixth abdominal somite with 6 swollen carinae, apical spines 

 occasionally absent on larger specimens. 



Telson broader than long, with 3 pairs of marginal teeth, sub- 

 medians with movable apices; intermediate and lateral teeth short, 

 blunt, apices rounded, sharper in smaller specimens; lateral teeth 

 distinct; median carina very inflated in all specimens, in some merg- 

 ing laterally with anterior submedians; dorsal spinulation of telson 

 variable, with scattered spines all over dorsal surface or with smooth 



