cles [ have » has been OSsessing a > S Classica] I. Pl. 197, I. Pl. 198. L. Pl. 129. 2 a single . Pl. 130. abot gorgets, ele ts, season it in North ites. It mths in on the afforded Pl. 132. imits of llection garded PI, 133. PNG OD) UC IF OaN: Ixv Genus Catyrre, Gould. (Kadurry, operta). Generic characters Male.— Bill longer than the head, straight, or slightly arched ; tail rather short, the three outer feathers stiff, narrow, and slightly incurved ; éarst clothed ; feet small; hind and fore toes nearly equal in length; entire head and throat luminous. Female.—Destitute of luminous colouring. This is strictly a Mexican genus, all the members of which are beautifully coloured, the entire head and face of the males appearing as if covered with a mask of burnished metal. 153. CaLypTE Cost# . : : : : 3 ; : : : : ; : Vol. III. Pl. 134. Habitat. Mexico, Southern California, and Colorado Basin. 154. Catypte ANNZ . : : : : : : ; : : : : ; » Vol. IIT, Blois Calliphlox lamprocephalus, Licht. Cat. of Birds in Mus. of Berlin, p. 57. Habitat. The table lands of Mexico and California. 155. Catyere HELENA : : : : : : : ‘ \ : : ‘ i Vol. III. Pl. 136. Orthorhynchus Helene, Lambeye. a OCT Onde Habitat. Cuba. Genus SeLasruorus, Swains. The species of this form are characterized by the great brilliancy of the gorgets of the males. The females are destitute of these fine colours. The rounded or cuneate form of the tail in these birds at once separates them from the members of the last-mentioned genus. 156. SELASPHORUS RUFUS . : : ; ‘ : : : : : : : : Wol uiePle 137. Selasphorus ruber, Cab. et Hein. Mus. Hein. Theil iii. p. 56. Habitat. Mexico. In summer it also occurs in California, and even as far north as Nootka Sound, and some- times at Sitka. Refer to the account of this species for my remarks respecting its not being identical with the Trochilus ruber of Linneus; and also to a very interesting paper in the ‘ Natural History of Washington-territory,’ by Drs. Cooper and Suckley. 157. SELASPHORUS SCINTILLA, Gould . : : ; : ; ; : : : é Vol. III. Pl. 138. Habitat. The inner sides of the volcanic mountain Chiriqui in Costa Rica. 158. S—ELASPHORUS FLORESII ; ‘ a : : : ‘ ‘ : ; ; : Vol. III. Pl. 139. Habitat. Bolanos in Central Mexico. 159. SELASPHORUS PLATYCERCUS : : : : : : : ‘ : : : Vol. III. Pl. 140. Trochilus montanus, Swains. Birds of Brazil, pl. 74. Habitat. Guatemala, Mexico, and, according to Dr. Baird, “ through Rocky Mountains to Fort Bridger, Utah.’’ I have observed that specimens from Guatemala are much smaller than those from the table lands of Mexico. M. Boucard found this bird at Oaxaca in Southern Mexico, and Mr. Salvin at Duefias in Guatemala. Genus Arruis, Rezchenb. The type of this genus is A. Heloise; and I retain the term for this very singular and beautiful bird, which in the character of its plumage and the colouring of its tail differs from every other with which I am acquainted. The plumage is extremely soft, and easily disarranged. 160. Arruis HELois#. Selasphorus Heloise . ; ‘ ; ‘ : . : : , : : ; Vol Tier 141 Habitat. Central America and Southern Mexico. Numerously subdivided as the members of this family already are, I cannot pass over the beautiful Calliope without perceiving the necessity for a separate distinctive appellation ; I therefore propose that of Séellula. Ss