MUSEUM OF COMPARATIVE ZOOLOGY. 355 



was obtained by Mr. Garman, and subsequently accidentally destroyed, 

 which, from his description of it and of its habits, must have been this 

 species. 



33. Buteo erythronotus (King). "'Aigle.' Only a few were seen." 

 Two specimens ; Moho. 



34. Milvago megalopterus (Meyen) = Ibycter mcgalopterus Sharp. 

 " ' Alcamarre.' Frequently seen on the plains, walking about in search of 

 food ; also visiting the shores of the lake to pick up dead fishes, it being not 

 particular whether its food be fresh or not. It has a strong buzzard-like 

 odor." One adult male and two birds of the year; Molio. 



35. Circus cinereus Vieill. One specimen, an adult £ ; Moho. 



3G. Sarcorhamphus gryphus (Linn.). " One specimen, taken near 

 Pampa de Arreiros ; altitude about 10,000 feet. One seen at Lake Titi- 

 caca." 



37. Colaptes rupicola (Lafr. & d'Orr.). " ' Carpintero.' Com- 

 mon. Nests in holes in the rocks. Said by the natives to be able to bore 

 its way through the hardest rocks, by the aid, as they believe, of a certain 

 much-sought plant, which it holds in its bill." Four specimens, Tiquina and 

 Moho. 



38. Bolborrhynchus aurifrens (Less.). "Very common about all 

 parts of the lake, and up to a height of 14,500 feet. Large flocks were 

 frequently met with in the fields. Pairs were often noticed around the 

 gables of the huts in the towns, but whether they built their nests in the 

 thatch was not ascertained." Five specimens; Moho. 



39. Zenaida maculata (Vieili,.). " A few seen at the south end of the 

 lake ; apparently not common." One specimen ; Carapata. 



40. Metriopelia aymara (Kxir. & Prev.). " Rather common about 

 some parts of the lake." Two specimens ; Vilquechico. 



41. Metriopelia melanoptera (Mol.). " Rather common at the north- 

 eastern end of the lake." Four specimens ; Vilquechico. 



42. Gymnopelia erythrothorax (Meyen). " Abundant towards the 

 north end of the lake, occurring in large flocks." Four specimens ; Moho. 



43. Leptoptila rufaxilla (Rich. & Bern.). One specimen ; Coroico, 

 collected by Mr. Walter Davis. 



44. Nothoprocta Branickii Tacz. " ' Perdiz.' Common. Habits 

 similar to those of the partridges of the United States (Orlyx virginianus)." 



45. Falcinellus Ridgwayi sp. nov. Adult. — • Upper surface and sides 

 of the head, malar region, chin, and throat reddish-cinnamon, becoming 

 lighter anteriorly and darkening posteriorly into reddish-chestnut ; neck all 

 round dark purplish-chestnut ; whole dorsal surface dark resplendent green, 

 with strong purple reflections, in some specimens the purple predominating 

 in all lights ; wings bright shining lighter green, with bronzy and purple 



