72<) ZOOLOGY INSECTS. 



the narrow apical margin of all the segments, ferruginous ; apex densely 

 clothed with fuscous pubescence, having a silvery reflection in certain 

 lights ; venter ferruginous, more or less varied with yellowish Length, 

 6-7 lines. 



3 9 specimens ; Colorado ; Dr. H. C. Yarrow. 



114. CCELIOXYS UUBITATA. 



Ccelioxys ditbitata, SMITH, Brit. Mus. Cat. Hym., ii, 272. 

 1 9 specimen; New Mexico; W. G. Shedd. 



115. MELECTA THORACIC A, sp. nov. 



PLATE XXXIII, FIG. 5. 



9 . Deep black ; occiput, thorax above, and first abdominal segment 

 above, clothed with a dense ochraceous pubescence ; wings fuscous. Length, 

 G\ lines. 



1 specimen; Eastern Nevada; 1872; Dr. H. C. Yarrow. 



110. EPEOLUS EEMIGATUS. 



Me-lccta remiijata, FABK., Syst. Piez., 387. 



7 c? 9 specimens; Eastern Nevada; 1872: Colorado, New Mexico ; 

 Dr. H. C. Yarrow, Dr. Oscar Loew. 



117. MEL1SSODES OBLIQUA. 



Mncroecra obliqua, SAY, Bost. Jour. Nat. Hist., i, 403. 



14 rf 9 specimens; Eastern Nevada; 1872: Colorado, New Mexico; 

 Dr. II. C. Yarrow, Dr. Oscar Loew, Wm. H. Ilance. 



118. MELISSODES COMANCHE. 

 Mi'Uimoth-n Comanclu'. CKESS., Trans. Am. Ent. So<;., iv, L'7(i. 



2 9 specimens; Colorado, New Mexico; Dr. II. C. Yarrow. 



110. MELISSODES NEVADENS1S, m>. nor. 

 PLATE XXXIV, FIG. 0. 



Black ; densely clothed with a long ochraceous pubescence ; cly- 

 peus, labrum, and spot on base of mandibles white ; mandibles with pale- 

 fulvous stripe to tips; antennae reaching beyond metathorax, black; scape 

 densely pubescent ; the pubescence on legs more yellowish, shading into 



