WHEELER, NORTH AMERICAN ANTS 307 



worker and female specimens but only a single male from the following 

 places in the Pacific States : 



California: Palo Alto (H. Heath and W. M. Mann) ; San Jose (H. 

 Heath) ; Alameda and Marin County (Amer. Mus. Kat. Hist.) ; Ukiah, 

 Mendocino County and Berkeley (J. C. Bradley) ; Point Loma, San 

 Diego (P. Leonard) ; Pasadena (Wheeler). 



Washington: (Osten Sacken). 



Oregon: (Osten Sacken) ; Corvallis (Amer. Mus. Nat. Hist.). 



Emery cites maccooJci also from Descanso, Calif. 



9. C. maculatus sansabeanus Buckley 



Formica sansabeana Buckley, Proc. Ent. Soc. Phila., VI, p. 167, ^ 5 ^, 

 1866. 



Camponotiis marginatus var. sansaieana Mayb, Verb. zool. bot. Ges. Wien, 

 XXXVI, pr 365, 1886 ; Dalla Toeee, Catalog. Hymen., VII, p. 242, 1893. 



G. maculatus subsp. maccoold var. sansaheanus Emery, Zool. Janrb. Abth. f. 

 Syst, VII, p. 672, ^ 5, 1893; Wheeler, Trans. Tex. Acad. Sci., IV, Pt. II, 

 No. 2, p. 23, ^ 9 $, 1902. 



Worker major. Lengtb, 9-11 mm. ; bead, 2.8 x 2.7 mm. ; scape, 2.5 mm. ; 

 bind tibia, 2.5 mm. 



Resembling maccooki but stouter, more tbick-set, with proportionally larger 

 head and shorter legs. The flattened dilatation at the base of the antennal 

 scape is broader than in vichius, but slightly narrower and less lobulate than 

 in maccooki. Clypeal carina blunter, lobe of the anterior border shorter. 



Sculpture and pilosity as in maccooki, but lower surface of head with more 

 numerous erect hairs. Cheeks with a very few erect hairs arising from some- 

 what elongated foveoh'P. Pubescence very short and sparse. 



Color much like that of maccooki, but thorax more brownish, basal half of 

 gaster yellow or yellowish brown, apical half and sometimes the whole gaste** 

 more infuscated. 



Worker minor. Length, 5-7 mm. 



Antennal scapes less dilated at the base than in the worker minor of mac- 

 cooki. Cheeks without erect hairs. Color much like that of the worker major. 



Female. Length, 12-14 mm. 



Head broader than in maccooki, especially behind. Surface, especially of 

 the thorax and gaster, very smooth and shining. Pubescence more dilute and 

 inconspicuous than in the worker major. Wings long (12-13 mm.), suffused 

 with j-ellow ; veins and stigma brownish yellow. 



Male. Length, 8-9 mm. 



Head proportionally shorter than in the male maccooki. Cheeks hairy. 

 Antennal funiculi, tarsi and tibife yellowish brown ; wings less suffused with 

 yellow and paler than in the female ; veins and stigma pale yellow. 



