Recently published Ornithological Works. 313 



tatives of 140 species, also embraces certain European 

 migrants, Avhich take up their winter- quarters here. Such 

 are Glareola melanoptera, lynx torqtdlla, Merops apiaster, 

 Muscicapa grisola, M. atricapilla, Lanius senator (intell. 

 L. ri(fus), Budytes flavus, Anthiis trivialis, and Pratincola 

 rubetra. Dr. Reichenow, in his general review of the ornis 

 of this district, further specifies other species that will 

 probably be found to occur there, and gives valuable hints 

 as to the mode of preserving specimens. 



42. Rhoads on Parus hudsonicus and its Allies. 



[The Hudsonian Chickadee and its Allies, with Remarks on the Geo- 

 graphic Distribution of Bird Races in Boreal America. By Samuel 

 N. Rhoads. The Auk, x. p. 321, 1893.] 



Mr. Rhoads has collected and compared together a large 

 series of specimens of the Tits of the Nearctic Region allied 

 to Parus hudsonicus, and after a preliminary discussion of 

 various points gives us an arrangement of the group, in which 

 he recognizes five geographical forms or subspecies. Of these 

 P. h. ungava, from Labrador, is newly characterized. 



43. Richmond on Birds from Nicaragua and Costa Rica. 



[On a Collection of Birds from Eastern Nicaragua and Rio Frio, Costa 

 Rica, with Notes ; and a Description of a supposed new Trogon. By 

 Charles W. Richmond. Proc. U.S. Nat. Mus. xvi. p. 479.] 



]VIr. Richmond was resident in Eastern Nicaragua and in 

 the adjoining district of Costa Rica from February 1892 to 

 January 1893 — at Grey town, at San Carlos on the Lake of 

 Nicaragua, on the Eio Frio, and on the Escondido or Blew- 

 fields River. The specimens collected, together with a few 

 well-known birds observed in life, are referred to 281 species, 

 on which field-notes and critical observations are given. 

 Carpodectes tiitidus was found to be common on the Rio 

 Frio, feeding on the fruit-trees. IMost of those shot were 

 gorged with berries. Trogon chrysomelas is described as a 

 new species allied to T. atricollis. 



