;.' I "Mr. T. 1). A. Cockciell on Bees, 



K.coma/opsi's nielVipes, Ciesson. 



SSan Kafacl, State of Vera Cruz, Mexico, at flowers of plant 

 no. ;U (C'or^/a sp., probably C.fen'uginea)^ ruiJJle of July 

 (C. //. T. Toxcnsend). 



Epeolus ^[arUni {GkW.). 



Kpcohis rnnii/atus, var. Mmtiiii, Ckll. Caiiad. Kntom. .wxii. ]). .'^()2 

 (1<»00). 



In the collection of tlie Colorado Agricultural Experiment 

 Station are specimens taken in Colorado; and after studying 

 tlicm, I feel satisfied that they represent a valid species. 



XeiW(jlossodes imitatriv^ Ckll. vfc Porter. 



(Jlorieta, New Mexico, Aug. IG, 1903, 1 ? [IF. P. 

 Cockerell) . 

 Tlie specimen has a red stripe on the mandibles. 



Diadasia rinconis, Ckll. 



I'ecos, New Mexico, Aug. 4, 1903, 1 ? at flowers of 

 Opuntia urborescens. 



Lithurgopsis apicalis (Cresson). 



Pecos, N. M., Aug. 4, 1903, 1 J at flowers of Opuntin 

 arborcscens. 



The first recurrent nervure enters the second submarginal 

 cell at its extreme basal corner; in some specimens of this 

 s[)ccies it enters some little distance from the base. 



Euglossa cordala (L.), var. Townsendi, nov. 



Hair of vertex and dorsum of thorax nearly all black ; a 

 band of black hairs (conspicuous in lateral view) from eye to 

 eye in front of ocelli ; hair of occiput and cheeks white, with 

 a slight yellowish tint; ^vings strongly dusky. Disk of 

 clvpeus in male brilliant purple. 



Ilab. Vicinity of San Kafael, State of Vera Cruz, Mexico, 

 J, ]\Iarch 12, "in nest ^^ j females with the same data 

 (C II. T. Townsend). 



Perlinps a distinct species. 



Antliojdiora eitops, Ckll. 



I'rospect Lake, Colorado Springs, Colo., at flowers of 

 Aragallus Lamberh'j.May 22, 1 c? {T. & W. CJdI.). 



Jn fresh specimens the mesothorax is densely covered with 

 greyish-white hair, strongly mixed with black. 



