230 PROCEEDINGS OF THE ACADEMY OF [April, 



Erginus sinuosus Cambridge. 



Biol. C. Am. Arachn. Aran., II, 563, 1905. 



Tablazo, September. 

 Hernandria spinosa n. sp. 



Pale reddish-brown, legs and palpi paler; eye-tubercle with two 

 small spines above. Dorsal shield with two pairs of small tubercles, 

 and a larger apical pair; the second of the posterior segments with a 

 larger, yellow, median spine ; longer than those on dorsal shield, small 

 spines on the edges of these segments; dorsal shield with two deep 

 transverse grooves. Legs moderately slender, with rows of short 

 spine-like granules, the patellae slightly enlarged; coxa? I, II and IV 

 granulate on upper sides, coxa IV with a large spine at tip above; 

 tarsi III and IV very broad and flattened, and at tip an apical process 

 over the claws; tarsus I with 5 joints, II with 11, III with 6, IV with 

 6 joints. Palpi with spines, tibia? with two long and one short (apical) 

 on outer side, two long and two short on inner side, tarsus with two 

 long and two short each side, claw as long as tarsus. Length 5 mm., 

 femur IV 4 mm. 



From Santa Maria Dota, January (Tristan), Costa Rica. 



Palpinus laevis Cambridge. 



Biol. C. Am. Arachn. Aran., II, 577, 1905. 



La Palma. 



Metapachylus rugosus n. sp. 



Red-brown on body and legs, palpi, mandibles and trochanters pale 

 yellow, in the male the legs are more yellowish. Body very much 

 roughened, a large spine on eye-tubercle curving forward, a small one 

 at each anterior corner of the cephalothorax; dorsal shield with lateral 

 row of granules, and about 8 transverse rows of spine-like granules 

 on abdomen, and the last segment with two rows of granules, each 

 granule is tipped by a hair; ventral segments also with rows of granules, 

 hardly as large as those above; legs also roughened, except on the 

 metatarsi and tarsi, many granules on coxa?, trochanters and femora 

 are tipped by bristles; tarsus I with 3 joints, II with 7, III with 5, IV 

 with 6 joints. Femur of palpus with three spines beneath (two basal), 

 tibia and tarsus with two each side. In male the legs are very much 

 longer, especially the hind pair, of which the femur, tibia, and meta- 

 tarsus are each longer than the body, and metatarsus IV has above 

 four granules of which one is apical. Length 4.5 mm., tibia IV 6 mm. 



From San Isidro, San Jose, Santa Maria Dota (Tristan), Uricuajo 

 (Pac), 200 meters (Biolley and Tristan), Atenas, 2d June (Picado), 

 and La Bolca (Picado); all Costa Rica. 



