THE SPIDER CRABS OF. AMERICA 149 



Sabanilla, Colombia; March, 1884; Albatross; 1 male (18131). 

 Pernambuco (?), Brazil; 1876-1877; R. Rathbun, Hartt Explora- 

 tions; 1 male, 1 female (19944). 



EPIALTUS BRASnJENSIS Dana 



Plate 220, fig. 1 



Epialtus brasiliensis Dana, U. S. Explor. Exped., vol. 13, Crust., pt. 1, 

 1852, p. 132; atlas, 1855, pi. 6, fig. 1 (type-locality, Rio Janeiro, Brazil; 

 type not extant). — Moreira, Bull. Soc. Zool. France, vol. 45, 1920, p. 126. 



Diagnosis. — A large tooth on propodites of last three legs. Rostrum 

 simple. Anterior margin of hepatic lobe transverse (fig. 53, d, e). 



Description. — Carapace and chelipeds much as in E. hifuherculatus; 

 the anterior margin of the hepatic lobe is transverse instead of sloping 



yiG. 55.— Epialtus brasiLiensis, male (56011), propodus of last three legs, X 18. a. Fourth leg. 



6. Third leg. c. Second leg 



backward and outward. The legs are much stouter than in hituher- 

 culatus and the last three pairs also very short, the propodite bearing 

 a large tooth on the lower margin near the proximal end. 



Color (from figure). — Natal brown, with a large triangular patch in 

 center of carapace, and also the two gastric tubercles, colored a pale 

 vinaceous-fawn. 



Measurements (from Dana's figure). — Male, type, length of cara- 

 pace about 13.7, width about 10.7 mm. 



Locality.— Knovm only from Rio de Janeiro and vicinity. iVlong 

 the seashore, among seaweed (Dana); in Fucus natans (Moreira). 



Material examined. — Copacabana, Rio de Janeiro, Brazil; Carlos 

 Moreira; 1 male, 1 immature female (56011). 



Variation. — The specimens at hand are small, the larger one, 

 male, 6.6 mm. long, little more than half as large as the male figured 

 by Dana. The propodites of the last three legs are furnished with a 

 5487— 25t 12 



