MOUNTAIN ANTS OF NORTH AMERICA. 521 



DOLICHODERINAE. 



73. Liometopum apiculatum Mayr. 



Mexico: Volcan de Colima, 7500 ft. (C. H. T. Townsend); Pines 

 Altos, Chihuahua and Ciudad de Durango, 8100 ft. (cited in Biol. 

 Centr. Amer.); Guerrero Mill, Hidalgo, 9000 ft. (W. M. Mann). 



Arizona: Huachuca Mts. 5000 ft. (Biedermann). 

 • New Mexico : Las Vegas (Wheeler) ; Las Vegas Hot Springs, 6226 

 ft. and Romeroville (T. D. A. Cockerell) ; High Rolls, 6550 ft., Alamo- 

 gordo, 4320 ft. (G. V. Krockow) and Beulah, 8000 ft. (H. Viereck). 



Texas: Paisano Pass, 5079 ft. and Fort Davis, 5400 ft. (Wheeler). 



Colorado: Canyon City, 5329 ft. and Cotopaxi 6371 ft. (P. J. 

 Schmitt); Manitou and Cheyenne Canyon, 7000 ft. (Wheeler). 



This ant seems alwaj^s to be associated with live-oaks. Its hab- 

 its, so far as I have been able to observe them, have been described 

 in my paper "The North xA.merican Ants of the Genus Liometopum" 

 (Bull. Amer. Mus. Nat. Hist. 21, 1905, pp. 321-333). 



74. Liometopum apiculatum subsp. luctuosum Wheeler. 

 Colorado: Cheyenne Canyon, 7000 ft. near Colorado Springs, type 



locality (Wheeler). 



Arizona: Grand Canyon 4000-7050 ft. and Prescott, 5320 ft. 

 (Wheeler). 



California: Baldy Peak, San Gabriel Mts., 6500 ft. (Brewster, Joos, 

 and Crawford); Tenaya Canyon, Yosemite, 5000 ft. (Wheeler). 



Though rarer and more sporadic than the typical form of the species 

 and occidentale, this subspecies seems to have a wide range. The 

 few colonies seen in the Yosemite were running on pine trees. This 

 seems to confirm the opinion I advanced in 1905 that hictuosum is 

 definitely associated with conifers. 



75. Liometopum occidentale Emery. 



California: San Jacinto, 1533 ft. (type locality); Mariposa 1962 ft.; 

 Pasadena and Yosemite 4000 ft. and Wawona (Wlieeler) ; Baldy Peak, 

 San Gabriel Mts. (Brewster, Joos and Crawford); Claremont (C. F. 

 Baker and Wheeler) ; Coalinga, below 500 ft., Fresno County, Ontario 

 and Alpine (J. C. Bradley). 



Oregon : C or vallis . 



I have recently found a few specimens of the hitherto unknown 

 female and male of this ant from San Jacinto, Cala., in the Pergande 



