256 CALIFORNIA ACADEMY OF SCIENCES. [Proc. 3 d Ser. 



rather stouter and the spines on tibia stronger; tarsus of palpal organ quite 

 slender, the bulb very large, and a large hyaline projection on one side. 



Two specimens; Tepic, Oct. 



175. Vixia infumata Hentz. — One specimen with no 

 locality, and one from Tepic. 



176. Singa mcesta, sp. nov. 



Plate XV, Fig. 3. 



Length 3 mm. Cephalothorax brownish on sides, pale yellowish in middle, 

 thinly clothed with white hairs; legs pale yellowish, tibiae of anterior pairs with 

 a black line in front, anterior femora darker at tip; posterior tibia darker at 

 tip; sternum red-brown; venter black in middle, yellow on sides; a broad 

 black stripe on each side of abdomen; white above, with two black stripes 

 from base to tip in the form of a folium, more or less connected, especially 

 near tip; an incomplete median black line. Cephalothorax not much narrowed 

 in front; P. M. E. a little larger than A. M. E. ; M. E. form a quadrangle 

 higher than broad; sternum broadly triangular. Legs short, with a few spines 

 and many stiff hairs. Abdomen about once and a half as long as broad, 

 somewhat depressed, broadly rounded in front and behind. Anterior meta- 

 tarsus shorter than tibia I, posterior metatarsus longer than tibia IV. 



One female-; Tepic. 



177. Cyclosa conica Pall. 



Epeira caudata Hentz., Spiders of the U. S., p. 114. 

 Four specimens; Guaymas. 



178. Cyclosa index Cambr. — Several from Calmalli 

 Mines; also known to me from Los Angeles, Calif. 



179. Cyrtophora fusiformis Tacz. 



Turckheimia diversa Cambr., Biol. Cent. Amer., Arach. Aran., p. 136. 

 Sierra San Nicolas, Mazatlan, Mt. Orizaba, and Tepic. 



180. Argiope transversa Em. — Two from Orizaba; one 

 from Sierra San Nicolas. 



