wheeler: ants of the genus formica. 535 



species of Camponotus. And, curiously enough, the shape of the head 

 and the small size and flatness of the eyes in this caste remind one 

 vividly of the Camponotus worker major. The male suhpolita was 

 originally described by Emery as a distinct species {F. rufiventris), 

 but Mr. W. M. Mann has taken it on Orcus Island, Washington, 

 flying (though not in copula) with females which undoubtedly belong 

 to suhpolita, and I have taken from colonies of this species at Pacific 

 Grove, Cala., dealated females that have the color of the male, i. e. 

 with black head, thorax, and petiole and the gaster of a peculiar 

 yellowish red color. 



F. subpolita nests under stones in grassy places, in Washington and 

 Northern California at low elevations but ascends to considerable 

 elevations (6,400 ft.) in the southern part of the latter state. The 

 colonies are rather small and the workers are timid. At Point Joe, 

 near Pacific Grove, I found many nests on the sea-shore and contain- 

 ing great numbers of coccids and pseudoscorpionids. 



116. F. SUBPOLITA var. camponoticeps, var. nov. 



Worker. Length 3-6.5 mm. 



Differing from the tv-pical form in the shape of the head and the color 

 of the largest workers. The head is more distinctly rectangular than 

 in the typical subpolita, and, excluding the mandibles, slightly broader 

 than long, not narrower in front than behind, except ver\- close to the 

 insertions of the mandibles, with the cheeks straight behind and con- 

 vex only anteriorly. 



Sculpture of clypeus and head finer than in the typical form. 

 Mandibles more superficially striated and shining. Frontal area 

 smooth and shining in some specimens, opaque in others. 



Body and legs yellow or yellowish browoi, the posterodorsal portion 

 of the head brown, the gaster blackish brown, the mesonotum with a 

 large dark brown spot, the pronotum with a paler and more indefinite 

 spot. Legs clouded with brown. Mandibles bright red. Smallest 

 workers dark like those of the typical form. 



Type locality. — Washington: Wawawai (W. M. Mann). 



Washington: Rock Lake (W. M. Mann); Govan (J. A. Hyslop); 

 Almota (A. L. Melander). 



The head of the maxima worker of this variety is even more cam- 

 ponotiform than that of the typical subpolita, owing to the straight 

 sides and more sudden narrowing at the insertion of the mandibles. 

 I am not certain that the smallest workers described as darker in 

 color belonged to the same colony as the largest specimens. The 

 medium workers are pale in color like the largest. 



