596 Bulletin American Musetitn of Natural History [Vol. XLII 



Cockerell, 1898o, pp. 67, 73. Albuquerque, New Mexico; at Helianthus 

 annuus. 1K98/, pp. 312 and 314: La.s Cruce.s, Nkw Mexico. 



Cockerel!, IJKlla, p. 129. Las Vega.s, SjijwUo (Canyon, and San Ignacio, 

 New Mexico; A'll, VIII; iit Helianthus antiu us, Verbesina encelioides, and 

 Cleome serrulata. Var. a, cf, ha.s no yellow .spot on mandibles. 



Cockerell, 1905, pp. 13, 28, 29. Notes variations, without naming them, 

 from Hear Valley, Rock Creek, IjOs Angeles, and Catahna Island, 

 California; (Davidson). 



Lovell and Cockerell, 1906, p. 110. Waldoboro, Maine; VIII, IX; at 

 Heliatilhux. 



Cockerell, 1906, p{). 102, 309. Coix)nAi)(). Santa 6, Las Vegas, and San 

 Ignacio, New Mexico. "Transition to Middle Sonoran Zones." 



Cockerell, 1907ft, p. 255. Boulder, Colorado; VIII; at Grindelia. 



Tucker, 1909, p. 278. Colorado Springs and Denver, Colorado; VIII. 



Cockerell, l9H)d, p. 128. Rifle Gap, Colorado; at Helianthus; (RohhiiiB). 

 Remarks on variation. 



Grainicher, 1911, p, 247. Mouth of the Yellow River and Randall in 

 Burnett County, Farmington in Polk County, Hudson in St. Croix 

 County, and Prescott and Maiden Rock in Pierce County, Wisconsin; VII, 

 VIII; at Composite. 



Cockerell, 1914d, p. 365. Fresno, California; VIII. 



See lupina. 



agrilis aurigenia Crosson, 1878, p. 212. {M. aurigenia) 9*, cf. 

 Canada. Maine. New York. Virginia. Louisiana. Missouri. 

 Kansas. Colorado.* New Mexico. Utah. 



M. aurigenia Robertson, 1894, pp. 452-475. Macoupin County, Illinois; 

 at Eupatorium purpureum, Lacinia Y^Liatris"] pycnostachya, Aster novae- 

 anglire, Silphium iniegrifolium and laciniaturn, Lepachys pinnata, Helianthus 

 grosseserraius and tuberosus, Coreopsis aristosa, Bidens chrysanthetnoides, 

 Helenium autumnale, and Cnicus lanceolatus. 



M. agilis Robertson, 1897, p. 354. Made aurigenia a .synonym of agilis. 

 Carlinville, Illinois. 



M. aurigenia Robertson, 1898a, j). 244. A t Helianthus divaricaius. 



M. aurigenia Cockerell, 1897r, p. 20. Santa F6, New Mexico; 7000 ft.; 

 (1898/, ]). 79) sleeping in closed flowers of Argcmone platijceras. 



Cockerell, 1898a, i)p. 67, 73. Albuquerque, New Mexico; IX; at Heli- 

 anthus annuus. 



Cockerell, 1901a, p. 129. Romeroville and Las Vegas, New Mexico; 

 VII, VIII; at Medicago sativa, Verbesinn encelioides, and Aplopappus spinti- 

 losus. 



.W. aun^ewirt Cockerell, 1905, p. 103. Phoenix, Arizona; X. 



M. aurigenia Cockerell, 1906, p. 92. Oak Creek Canyon, Arizona; (Snow). 

 Sterling, Durango, Greeley, and Fort ('oUins, Colorado. 



M. aurigenia Tucker, 1909, p. 278. Colorado Springs and Denver, Colo- 

 rado; VII, VIII. 



M. aurigenia Cockerell, 1911, p. 390. Sterling, Colorado; VIII ; at 

 Helianthits. 



