SOG Fortij-stjc Ncxo Mammalia discovered. 



forty-six, — a number which must be admitted to be very consi- 

 derable, when we remember that the total amount of these ani- 

 mals, according to the most complete catalogues, does not exceed 

 1200. But it is in the class of birds that science and our col- 

 lections are still more indebted to M. d'Orbigny's expedition : 

 the number even of new species is much too great for us to be 

 able to enter into such details of them as we have done with the 

 mammalia. 



The family of parakeets will be augmented by many beauti- 

 ful species of parakeets properly so called, as well as the sub- 

 genera Ara and Perrucha. 



Among the birds of prey, besides magnificent examples of the 

 condor, or great vulture of the Andes, we have noticed some 

 beautiful species of eagles. 



The tribe of climbers comprises two individuals of that su- 

 perb species of aracari which we described for the first time in 

 the report made to the Academy on the expedition of M. Eydoux, 

 as well as many new woodpeckers, and a couroucou, remarkable 

 for the beauty and richness of its plumage. 



But it is in the almost innumerable order of passerine birds 

 that the greater portion of M. d'Orbigny's ornithological riches 

 are to be placed, since his catalogue contains at least 500 species. 

 Among these, M. Geoffroy regards as most deserving of notice, 

 two new species of thrush with large claws (Megalonyx) ; a 

 great number of fly-catchers, some of which are very remark- 

 able ; the beautiful coq de roche of Peru, with red wings and a 

 black tail, the female dull brownish red, but unfortunately 

 without any part of the skeleton ; some very beautiful procnae ; 

 new species of manakin, and of tangaras, one of them the size of 

 a crow, with a crest of three feathers, and of great brilliancy in 

 its colours ; a new species of phytotoma ; many rare species of 

 magpie, one of them altogether new ; lastly, about fifty species 

 of humming-birds, nearly a dozen of which were previously un- 

 known, and five or six very rare in collections. Besides these, 

 M. G. St Hilaire is of opinion that each of the following ought 

 to form new genera : — A bird referable to the genus Ampelis 

 of Linnagus, remarkable for its beautiful and uniform green 

 colour and red bill ; another allied to the starling ; a third ap- 

 proaching certliia, but remarkable for its singular hook-shaped 



