S66 CALIFORNIA ACADEMY OF SCIENCES. 



riorly broadening spot on the vertex, remaining joints of 

 the flagellum, teeth of mandibles, two, not well defined 

 spots on the pronotum, the dorsum of the meso- and me- 

 tanotum, the scale and abdomen black; the posterior 

 margin of the abdominal segments somewhat yellowish. 



Small worker: Length, 4 mm. In coloration and 

 sculpturing almost identical with the large worker. The 

 scape is somewhat longer; the coloration of the head, 

 thorax, legs, etc., paler yellow, while the black color of 

 the head extends over the entire vertex, the occiput and 

 the space between the frontal carina. 



Three specimens. Tepic. 



This may be a race of Cam^. mm'ginatns, though it is 

 more hairy than any of the races of that species known 

 to me. 



Subfamily Dolichoderini. 



8. DOLICHODERUS GRANULATUS n. Sp. 



Worker: Length, 3.6 mm. Head about as broad as 

 long, broadest just behind the eyes and narrowing slightly 

 towards the mouth, the sides nearly straight. Clypeus 

 broader than long, convex and with a median carina, ob- 

 tusely triangular in front. Frontal area very small, obso- 

 lete. Frontal carinee strongly diverging and but slightly 

 curved posteriorly. Scape reaching beyond the occiput. 

 Mandibles robust and armed with four or five acute teeth. 

 Thorax stout, compact, narrowing ^posteriorly, the pro- 

 thorax nearly as broad as the head, somewhat convex 

 above, its lateral margin forming a blunt carina; the dor- 

 sal surface of the pro- and mesonotum evenly arcuated, 

 the suture between them distinct; constriction between 

 the meso- and metanotum deep, the metanotum somewhat 

 elevated, nodiform, the declivity steep, not excavated; 

 the lateral margins of the dorsal or basal section form 

 quite distinct carinas. Scale stout, broad, convex in front 



