Proceedings of the Biological Society of Washington (original) (raw)

• A new genus of tyrant-flycatchers
  Vol 50, Page 1, Date 1937
• The southern races of the great ant-shrike, Taraba major
  Vol 50, Page 7, Date 1937
• The status of Hyla evittata Miller
  Vol 50, Page 9, Date 1937
• A new species oi Spathacanthus from Guatemala
  Vol 50, Page 15, Date 1937
• Notes on Astragalus (Toumef. L)
  Vol 50, Page 17, Date 1937
• A race of the Derby Flycatcher from northwestern Mexico
  Vol 50, Page 25, Date 1937
• The Ferruginous Pigmy Owl of northwestern Mexico and Arizona
  Vol 50, Page 27, Date 1937
• A new mountain sheep from Lower California
  Vol 50, Page 29, Date 1937
• Studies in American spiders: the genus Aigola
  Vol 50, Page 35, Date 1937
• New species of hylid frogs from Mexico with comments on the rare Hyla bistincta Cope
  Vol 50, Page 43, Date 1937
• Five new North American zonitids
  Vol 50, Page 55, Date 1937
• Three new birds from the Malaysian subregion
  Vol 50, Page 61, Date 1937
• New races of the genus Otus from northwestern Mexico
  Vol 50, Page 63, Date 1937
• Revisional note on the didine birds of Reunion
  Vol 50, Page 69, Date 1937
• A new race oi Dactylortyx from Honduras
  Vol 50, Page 73, Date 1937
• A new kangaroo rat from southwestern Arizona
  Vol 50, Page 75, Date 1937
• The distribution of flying suirrels in western British Columbia with the description of a new race
  Vol 50, Page 77, Date 1937
• A new subspecies of the lizard genus Sceloporus from Texas
  Vol 50, Page 83, Date 1937
• Preliminary list of the butterflies of Virginia
  Vol 50, Page 87, Date 1937
• New plants from Oregon
  Vol 50, Page 93, Date 1937
• Four new birds from northwestern Mexico
  Vol 50, Page 95, Date 1937
• Two new owls from Sinaloa, Mexico
  Vol 50, Page 103, Date 1937
• The blue-gray gnatcatcher of southern Sonora
  Vol 50, Page 109, Date 1937
• A new ant-like thrips from Florida
  Vol 50, Page 111, Date 1937
• Notes on the nomenclature of the Trochidae
  Vol 50, Page 115, Date 1937
• Descriptions of two new passerine birds from the western United States
  Vol 50, Page 117, Date 1937
• Some new species and varieties of Oregon plants
  Vol 50, Page 121, Date 1937
• A new snake from southeastern China
  Vol 50, Page 125, Date 1937
• New N. A. leafhoppers belonging to Parabolocratus and related genera
  Vol 50, Page 129, Date 1937
• Two new pocket gophers of the Thomomys bottae group
  Vol 50, Page 133, Date 1937
• Reptiles and amphibians
  Vol 50, Page 137, Date 1937
• A new neotenic salamander from Texas
  Vol 50, Page 141, Date 1937
• On the flightless heron of Rodriguez
  Vol 50, Page 145, Date 1937
• New race of Chubbia jamesoni from Colombia
  Vol 50, Page 151, Date 1937
• Four new rodents from Monterey County, California
  Vol 50, Page 153, Date 1937
• The yellow-green vireo of northwestern Mexico
  Vol 50, Page 159, Date 1937
• The tiger-bittern of northwestern Mexico
  Vol 50, Page 161, Date 1937
• Concerning the genus Leptobyrsa Stal (Hemiptera)
  Vol 50, Page 163, Date 1937
• New species of mites of the subfamily Trombiculinae, with a key to the New World larvae of the akamushi group of the genus Trombicula
  Vol 50, Page 167, Date 1937
• Critical remarks on Crypturellus vanegatus and its allies
  Vol 50, Page 175, Date 1937
• A new species of Dryopteris, subgenus Eudryopteris, from Guatemala
  Vol 50, Page 179, Date 1937
• Description of a race of Perognathus parvus from Arizona
  Vol 50, Page 181, Date 1937
• Two new swifts of the genus Chaetura
  Vol 50, Page 183, Date 1937
• The pigeons of the Columba plumbea group
  Vol 50, Page 185, Date 1937
• A new race of Tinamus major from Brazil
  Vol 50, Page 191, Date 1937
• A new woodpecker of the genus Piculus from Sonora
  Vol 50, Page 195, Date 1937
• A race of Verreaux's dove from Sonora
  Vol 50, Page 199, Date 1937
• New races of Myadestes, Spizella and Turdus from northwestern Mexico
  Vol 50, Page 201, Date 1937
• A new Indian paint-brush from Mount Rainier
  Vol 50, Page 207, Date 1937
• Extinct chough from Rodriguez
  Vol 50, Page 211, Date 1937
• A new race of Peromyscus maniculatus from British Columbia
  Vol 50, Page 215, Date 1937
• A new race of Yuhina flavicollis, from the mountains of north Siam
  Vol 50, Page 217, Date 1937
• Description of a new chickadee from the eastern United States
  Vol 50, Page 219, Date 1937
• Four new mammals from Utah
  Vol 50, Page 221, Date 1937
• A new race of the spotted tinamou, Nothura maculosa, from the Paraguayan Chaco
  Vol 50, Page 227, Date 1937