1913.] NATURAL SCIENCES OF PHILADELPHIA. 677 



hair. Cephalothorax moderately long, much narrowed in front, 

 legs rather stout, tarsi and metatarsi I and II heavily scopulate 

 beneath, tibia I with one apical spine beneath, tibia II with an 

 apical spine and one near the middle; no spines above on tibise 

 III or IV, but several below and on sides. Posterior eye-row barely 

 procurved, M. E. scarcely oval, slightly more than their diameter 

 apart, and about twice as far from the equal laterals. Anterior 

 eye-row procurved, all large, M. E. less than their diameter apart, 

 .and about half as far from the slightly smaller laterals. 



Length 12 mm. 



From St. Maria Dota, Costa Rica (Tristan). 



CLUBIONIDiE. 



Clubiona tigrina Cambridge. 



Near Hacienda Guachipelin, Guanacaste; 1,700 feet. Jan. 15, 

 1910 (Calvert). 

 Chemmis punctigera Cambr. PI. XXVIII, fig. 8. 



This form may be distinct from C. frederid Simon; the figure I 

 give of the vulva agrees better with that given by the elder Cam- 

 I)ridge for this species and is quite unlike that given by the younger 

 Cambridge for C. frederici; the markings are broken up into small 

 spots. 



Turrialba, Costa Rica (Tristan). Juan Vifias, clearing near 

 Rio Reventazon, May 3, 1910 (Calvert). 

 Pelayo insignis Bka. PI. XXVIII, fig. 14. 



A female of this species from St. Maria Dota, Costa Rica, vulva 

 .as shown in figure ; the basal median mark of the abdomen is broken 

 up into three spots and the apical mark contains a transverse pale 

 spot. 

 Anypliaena pretiosa n. sp. PI. XXVIII, fig. 4. 



Pale yellowish, a dark stripe each side on the cephalothorax; 

 many small dark spots on abdomen, in the middle behind they 

 unite to form a series of chevrons, a dark spot at base of the tibiae; 

 tibiae I and II with four pairs of spines l^eneath. Mandibles vertical, 

 each with two dark lines in front. A. ]M. E. much smaller than the 

 other eyes. Vulva as figured. 



Length 5 mm. 



From St. Maria Dota, Costa Rica (Tristan). 

 Anyphaena furcatella n. sp. PI. XXVIII, fig. 5. 



Pale yellowish; a faint dark stripe each side on the cephalothorax; 

 legs very long and slender and with very long spines; coxae all 



