74 BULLETIN 16G, UNITED STATES NATIONAL MUSEUM 



the Indian decapod Crustacea in the collection of the Indian Museum, fasc. 

 1, p. 80, 1901. — Stkbbinq, South African Crustacea, pt. 2, p. 24, 1902 (part; 

 not L. valida nor L. pennifera) . — Hay and Shore, Bull. U. S. Bur. Fisheries, 

 vol. 35 (1915-16), p. 419, 1918. 

 Latreillea elegans A. Milne Edwards and Bouvier, Crustac^s d^capodes pro- 

 venant des campagnes du yacht V Hirondelle, fasc. 7, p. 59, pi. 6, figs. IS- 

 IS, 1894; Crustac6s de la Princesse- Alice, fasc. 13, p. 13, 1899. 



Diagnosis. — Eyes and pair of frontal spines of subeqiial length. 

 Fingers little less than half length of palm. Propodiis of last leg 

 plumed on both sides. Female abdomen with four lateral spines. 



Description. — Carapace finely granulate, truncate in front and 

 armed with two long divergent horns between which a slender spine- 



a 



Figure 18.— LatreUlia elegans, female: a, Dorsal view, lacking chelipeds and legs; 6, left side. X 2. 



like rostrum projects obliquely do^vllward; each of the lateral horns is 

 armed with three spinules separated by subequal intervals. Front 

 margin of carapace mth a small acute spine projecting downward at 

 outer base of eyestalks. Abdomen broad in both sexes terminating 

 in a short spine; in the female, the first segment has a median tubercle, 

 second and third segments each with a strong median spine, fourth 

 and fifth segments (fused to sLxth) wdth a spine near each lateral mar- 

 gin; in the male the segments are distinct and there is a spine on sec- 

 ond segment. Eyes pyriform, with their slender stalks about equal 

 in length to the supraorbital horns. Chelipeds very slender, three 

 times as long as body and about half as long as third ambulatories; 

 chela a little longer than carpus; dactylus a little less than half the 

 length of palm. Legs very long, almost filiform, their basal, ischial 

 and meral articles spinulous; dactyls very short. 



Color. — Yellowish; legs with red bands. (Milne Edwards.) 

 Measurements. — Length of carapace of female (19296) 12.7, width 

 7.8, horn 8, length of third leg 79 mm. 



