T. D. A. COCKERELI.. 31o 



Iludsonian to Canadian. 



B. proximus Cress. Top of Las Vegas Range; Harvey's Ranch ; T'.eulali ; Sant;-. 



Fc Canon. 

 B. appositus Cress. Top of Las Vegas Range ; Harvey's Ranch ; Benhih ; Santa 



Fe Canon ; Rio Ruidoso. 

 B. juxtus Cress. Top of Las Vegas Range; Harvey's Ranch: IJeuhili ; Sant;'. 



Fe Canon ; Rio Ruidoso. 



Canadian Zone. 



B. proximus perixanthus Ckll. and Porter. Harvey's Ranch, 9600 ft.* 



B. monardse Ckll. and Porter. Beiilah ; Santa Fe Canon * ; Rio Ruidoso. Fls. 



Monardn. etc. 

 B. rufocinctus Cress. Beiilah. 

 B. consimilis Cress. Beulah (fide Viereck). 

 B. centralis Cress. C'loudcroft (fine Viereck). 



Canadian to Transition. 



B prunellse Ckll. Beulah®; Rio Ruidoso; Mescalero. Ashniead has referre<l 

 this to sitkends, but it is distinct from that species, as Mr. Franklin agrees. 



Canadian to Upper Sonoran. 



B. iridis Ckll. and Porter. Beulah*; Santa Fe Canon; Pecos. Fls. Iris. etc. 



B. fervidus Fabr. Beulah; Rio Ruidoso; L. V. 



B. nevadensis Cress, {cressoni Ckll.). Beulah; Rio Ruidoso: Mescalero; ^Vllite 

 Mtn., 10.300 ft., fls. Delphinmm (Townsend) ; L. V. 



B. dorsalis Cress. {astecKs Ckll. fide Franklin). Beulah; Rio Ruidoso: Mesca- 

 lero ; Aztec ; L. V. 



B. edwardsii Cress. Beulah, May 30 (VV. P. C. ); Pecos, June 25, fls. Falliujii 

 (W. P. C). 



Transition^ Zone. 



B. proximus howardi Cress. San Ignacio. 



Transition to Middle Sonorun. 



B. morrlsoni ('ress. S. F. ; L. V.; Albuquerque; M. \'. ; Organ Mts. : Rio 



Ruidoso; Mescalero; Roniersville ; Pecos. 

 B. sonorus Say. Rio Ruidoso; M. ^'. ; Pecos (a variety). Extends to San 



Pedro, Calif. (Lower Sonoran). 



Upper Sonoran. 

 B. scutellaris Cress. L. V. 



Upper to Middle Sonoran. 

 B. americanorum Fabr. L. V.; M. V. 



APIf§» L. (introduced). 

 A. mellifera ligustica Spin. Beulah; S. F. ; L. V.; Pecos, etc. 



TK.\NS. .\M. ENT. SOC. XXXII. (40) NOVKMBEB. 190(). 



