Occasional Papers of the Miiseuui of Zoology 57 



the niiddorsal thoracic black are clear lemon yellow or yellow- 

 ish ; the antehumeral stripe is bluish with yellow tinges ; the 

 mesepimeron is largely brown ; the metepisternum is blue 

 above to the stigma, white below and along the anterior border 

 above, a stippled black bar from near the wing base to the 

 stigma ; metepimeron almost white, traces of a dark area 

 above. Beneath white, coxae cream. Abdomen black above, 

 including i, pale basal rings not evident; seen from the side 

 there are more or less distinct pale basal inferior spots on 3-7. 

 Superior and inferior appendages black. 



Female. — Prothorax largely light brown, hind lobe darker. 

 Abdomen as described for cyanofrons. 



Wings in both sexes about as described for cyanofrons; the 

 distance from cubito-anal cross-vein to arculus and to the 

 separation of the anal vein from the posterior border slightly 

 greater in- all wings in both sexes of petiolatitni ; postnodals 

 in front wing 19 or 20, in hind wing 15 to 18. In the male 

 there are one to one and two-thirds postquadrangular cells ; 

 in the female less than one to one postquadrangular cell. 



The above notes are intended to supplement de Selys' de- 

 scription of both sexes from Santarem, Brazil. As might be 

 expected some differences in color between the British Guian- 

 an and Brazilian specimens are indicated. 



Material Studied: Tumatumari, one male, February 9, 

 1912, and \Msmar, one female, January 31, 1912, British 

 Guiana, collection E. B. \V. : Tamanoir, ]\Iana River, one male 

 and four females, ]\Iay. 1917, and Cayenne, two males and 

 one female, February and March, 1917, French Guiana, S. ^I. 

 Klages collector, collection Carnegie ^Museum : Igarapi Assei, 

 Para, Brazil, December, 191 1, two males, Parrish collector, 

 collection Cornell University: one female, collection E. B. W., 

 without data. 



