1909.] NATURAL SCIENCES OF PHILADELPHIA. 217 



Ctenus peregrinus Cambridge. 



Biol. C. Am. Arachn. Aran., II, 110, 1900. 



San Jose, on the walls of houses ; Turrialba ; Pacaca ; Tejar de Cartago. 



Acanthoctenus spinipes Cambridge. 



Verb. zool. bot. Ges. Wien, 1876, 695. 



Tiribi; San Jose (B. and T.); Salvinas de Attina (Pac), January 

 (B. and T.). 



LYCOSIDJE. 

 Sosippus agalenoides n. sp. 



Cephalothorax brown; a very narrow, median pale line, sides nar 

 rowly pale, mandibles jet black on front, a narrow line of yellow hair 

 each side, palpi black at tip; legs pale yellowish, tarsi and metatarsi 

 blackish, sternum and coxae pale yellowish. Abdomen pale grayish 

 yellow above, with a brown median stripe from base to tip, not out- 

 lined by pale, but with a few pale spots on anterior sides, and behind 

 this it is dentated; venter wholly pale. Length 22 mm. 



From Punta Arenas, Costa Rica (Biolley). Differs from S. mexi- 

 canus in larger size, different abdominal markings, rather broader 

 cephalothorax, and in the shape of the vulva. 



Sosippus mexicanus Simon. 



Ann. Soc. Ent. France, 1888, 206. 



El Higuito, near San Mateo (Pac), January (B. and T.). 



Arctosa trifida Cambridge. 



Biol. C. Am. Arachn. Aran., II, 330, 1902. 



Embouchure du Rio Jesus Maria, January (B. and T.). 



Arctosa minuta Cambridge. 



Biol. C. Am. Arachn. Aran., II, 331, 1902. 



Tiribi; San Jose; Embouchure du Rio Jesus Maria (Pac), January 

 (B. and T.). 



Lycosa insignis Cambridge. 



Biol. C. Am. Arachn. Aran., I, 272, 1898. 



Punta Arenas (B.); San Joaquin Heredia Espinach, in the pastures. 



Lycosa longitarsis Cambridge. 



Biol. C. Am. Arachn. Aran., II, 327, 1902. 



Guanacaste (Lankester); Atenas (Picado); San Jose; San Joaquin 

 Heredia Espinach. 



Lycosa brevitarsis Cambridge. 



Biol. C. Am. Arachn. Aran., II, 327, 1902. 



San Jose; Sta. Maria Dota. 



