367 



some individuals of the two supposed species, for I have examined 

 skins of P. affinis quite as large as those of P. aglaice. 



Fam. MoMOTiD^. 



138. Momotus ccsruleiceps, Gould. 



Fam. Caprimulgid^. 



139. Nyctidromus americanusi 140. Antrostomus vociferusX 



Fam. Trogonid^. 



141. Trogon caligatus, Gould. 143. Trogon mexicanus, Sw. 



142. melanocephalus, G\d. 144. '—— puella, Gould. 



Fam. AlcediniDvE. 

 145. Ceryle alcyon (lAxm.). 146. Ceryle americana (Gm.). 



Fam. Trochilid^. 



147. Phaethornis adolphi, 154. Delattria rhami (Less,). 



Gould. 155. clemencies (Less.). 



148. Lampornis prevosti 156. Cyanomyia cyanocephala. 



(Bourc. & Muls.). 157. Amasilius arsinoe(JLess.). 



149. Campylojiterus pampa 158. ocaz, Gould. 



(Less.). 159. Sporadinus caniveti 



150. delattrii (Less.). (Less.). 



151. Petasophora thalassina 160. Circe latirostris (Sw.). 



(Sw.). 161. Trochilus coluhris, Linn. 



152. Coeligenafulgens{^vi.). 162. Tryphcena heloisce (hess. 



153. Delattria henfici(Ijess.). et Del.). 



The only Humming-hird in this collection not previously well 

 known as an inhabitant of Mexico was Amazilius ocai, described 

 from M. de Oca's specimens by Mr. Gould in the ' Annals and Maga- 

 zine of Natural History' for August last (ser. 3, vol. iv. p. 96). 



Fam. PiciD^. 



163. Bryocopus scapularis (Yig.). 168. Chloronerpes oleagineus 



164. guatemalensis (Licht.). 



(Hartl.). \(i9. Centurus santacruzi(J&\>.). 



165. Colaptes mexicanus (8w.). 170. Picus scalaris, Wagl. 



166. Melanerpes formicivorus 171. varius, Linn. 



(Sw.). 172. jardini, Malh. 



167. Chloronerpes yucata- 173. stricklandii,M.sd\\. 



nensis (Cabot). 



Picus stincklandi is the same bird as in Salle's first collection I 

 called P. cancellatus upon Prince Bonaparte's authority. It is de- 

 scribed by M. Malherbe in the 'Revue Zoologique' for 1845 (p. 375). 

 There was but one specimen in M. de Oca's collection. 



