122 Messrs. Sclater and Salvin on the 



149. Myiarchus coopkri, Kaup ; Baird's Rep. p. 180. 

 Transmitted by Mr. Skinner. In collection of P. L. S. 



150. CoNTOPus BOREALis (Sw.) ; Baird's Rep. p. 188. 

 Transmitted by Mr. Skinner. In Mr. Gould's collection. 



151. CoNTOPUs MEsoLEUCus, Sclatcr, P. Z. S. 1859 (Jan. 

 25th). 



Mr. Gould's collection contains Guatemalan examples of this 

 species. 



152. CoNTOPUs soRDiDULUs, Sclatcr, P. Z. S. 1859 (Jan. 25th). 

 Transmitted by Mr. Skinner. 



153. CoNTOPUs viRENs (Linn.), Baird's Rep. p. 190. 

 Also transmitted by Mr. Skinner. 



154. Empidonax FLAVivENTRis, Baird's Rep. p. 198. 

 In Mr. Gould's collection from Guatemala. 



155. Empidonax minimus, Baird, Rep. p. 195. 

 Occurs at Belize and Duenas. 



156. Empidonax albigularis, sp. nov. * 



Supra sordide olivaceo-brunneus, uropygio rufescente tincto : 

 gutture albo : pectore et cervicis lateribus grisescenti-brun- 

 neis : ventre et crisso pallide flavis : alis et Cauda fusco- 

 nigricantibus, illis pallido brunneo bifasciatis, secundariis 

 extus albido anguste limbatis : tectricibus alarum inferi- 

 oribus ochracescenti-brunneis : rostro superiore fusco, iu- 

 feriore flavo : pedibus nigris : long, tota 4'75, alse 2*3, 

 caudse 2"1_, tarsi 0'6, rostri a rictu 0*6. 



Aff. Empidonacti minimo, sed statura paulo majore, alarum 

 fasciis brunneis et gula pure alba, dorso quoque obscuriore 

 distinguenda. 



A single example of this apparently undescribed species was 

 shot by Salviu at Duenas. 



157. MiTREPHORUs PH^ocERCus, Sclater, P.Z. S. 1859 (Jan. 

 25 th). 



In Mr. Gould's collection, received from Mr. Skinner. 



158. Elainia vilissima, sp. nov. (Plate IV. fig. 1.) 



Olivacea, pileo nigricanti-cinereo, froutc et superciliis sordide 

 albis : alis fusco-nigris, tectricibus majoribus, secundariis 

 et primariis secunda, tertia, quarta et quinta ad basin flavo 



