864 CALIFORNIA ACADEMY OF SCIENCES. 



to be related to Camp, abscisus and andrei, but differs 

 from both in the bi-colored head. 



6. Camponotus punctulatus Mayr var. ruficor- 

 Nis n. var. 



Small worker: Length, 5 mm. Head longer than 

 broad, slightly narrowed anteriorly, its sides straight, 

 rounded behind the eyes, the occiput but faintly emar- 

 ginate. Clypeus triangular and with a rather acute, me- 

 dian carina; its anterior margin angulated. Frontal area 

 minute, the frontal carinse nearly parallel; mandibles with 

 four or five teeth. AntennjE long and slender, the scape 

 reaching considerably beyond the occiput. Prothorax 

 about as broad as the head behind; suture between the 

 meso- and metanotum obsolete, both segments descend- 

 ing in an almost straight line to the base of the scale. 

 Scale very stout, of equal thickness and nearly quadran- 

 gular, the anterior face somewhat shorter than the poste- 

 rior one, the upper edge thick and slightly rounded. 

 Abdomen elongate oval. Legs rather long and quite 

 slender. Head, thorax and abdomen delicately sha- 

 greened; mandibles smooth and sparsely punctured. 



Erect hairs whitish, rather scarce on the head and tho- 

 rax, more dense and slightly coarser on the abdomen; 

 hairs of antennas and legs short and appressed, those 

 along the inner edge of posterior tibise longer and semi- 

 erect. Appressed pubescence quite dense, yellowish and 

 glistening. 



Color black. Face in front of eyes, antennge and an- 

 terior angle of prothorax reddish-yellow, clypeus, anterior 

 tibice and the tarsi more brownish, the mandibles yellow- 

 ish. 



Two specimens. Tepic. 



It differs from punctulatus in the paler portions of the 

 head and legs and the denser appressed pubescence. 



