212 PROCEEDINGS OF THE ACADEMY OF [April, 



Epeira bifida Cambridge. 



Biol. C. Am. Arachn. Aran., II, 507, 1904. 



La Verbena, in nest of mud-dauber wasp ; Rio Jesus Maria (Pac), 

 January (B. and T.), in nest of a Hymenopteron. 



Metepeira labyrinthea Hentz. 



Journ. Bost. Soc. Nat. Hist., V, 471, 1847. 



San Jose; and Anonos, September. 



Metazygia gregalis Cambridge. 



Biol. C. Am. Arachn. Aran., I, 22, 1889. 



San Jose, very abundant (B.); La Verbena; Tiribi. 



Larinia directa Hentz. 



Journ. Bost. Soc. Nat. Hist., V, 478, 1847. 



Machuca (B.); Surubres, near San Mateo (Pac), 250 m., January 

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



Mahadiva 11-variolata Cambridge. 



Biol. C. Am. Arachn. Aran., I, 53, 1889. 



Aguas Calientes, July (Picado). 



Acrosoma gracilis Walckenaer. 

 Tabl. des Aran., 65, 1805. 



Uricuajo (Pac), 200 m., January (B. and T.). 



Acrosoma obtusispina Keyserling. 



Sitzungsb. Nat. Ges. Isis, Dresden, 1863, 76. 



Tiribi; Machuca (B.); Rio Jesus Maria (Pac), January (B. and T.); 

 El Higuito, near San Mateo (Pac), 250 m., January (B. and T.). 



Acrosoma inaequalis Cambridge. 



Biol. C. Am. Arachn Aran., II, 535, 1904. 



La Verbena, near San Jose. 



Acroioma triserrata Cambridge. 



Biol. C. Am. Arachn. Aran., II, 534, 1904. 



Tablazo. 



Aorosoma patruelis Koch. 



Die Arachn., VI, 130, 1839. 



Turrialba; Orosi, 2d July (Picado). 



Acrosoma fidelis n. sp. 



Cephalothorax yellowish, legs more reddish; abdomen clear yellow 

 above, darker on sides and behind, tips of spines black. Abdomen 

 about twice as long as broad, not very much broader behind, where it 

 is furcate, each corner terminating in two small equal spines, one above 

 the other; on each side of dorsum are two spines, one small bevond 



