BIBLIOGRAPHY 581 



Robert Ridgw ay— Continued. 



This book, which is dedicated to Prof. S. F. Baird, consists of two parts, the first one being 

 a "Nomenclature of Colors," containing: Preface; principles of color and general remarks; 

 colors required by the zoological or botanical artist; comparative vocabulary of colors and 

 bibliography; the second part being the "Ornithologists' Compendium," comprising: Glos- 

 sary of technical terms used in descriptive ornithology ; table for converting millimeters into 

 English inches and decimals ; and table for converting English inches and decimals into milli- 

 meters. 



Robert Ridgway. Descriptions of some new species of Birds, supposed to be from 

 the interior of Venezuela. 



Proc. 77. S. Nat. Mus., IX, Aug. 2<$, 1886, pp. 92-94. 



The species described as new are Pyroderus masoniand Aulacorhamphus dimidiatus; the third 

 species is given as " Myiopsitta llneola (Cassin)?" A synoptical table of all the known spe- 

 cies of the genus Pyroderus is also given. 



Robert Ridgway. On JEstrelata sandwichensis Ridgw. 

 Proc. TT. S. Nat Mus., IX, Aug. 26, 1886, pp. 95, 96. 



Points out the differences between this species and JE. hcesitata, and intimates that it may 

 be identical with JE. phceopygia Salv. 



Robert Ridgway. Description of a melanistic specimen of Buteo latissimus (Wils.). 

 Proc. TT. S. Nat. Mus., IX, Oct. 13, 1886, pp. 248, 249. 

 Full description, and comparison with B.fuliginosus. 



Robert Ridgway. Description of a new subspecies of Cyclorhis from Yucatan. 

 Proc. TT. S. Nat. Mus., IX, Nov. 26, 1886, p. 519. 

 New subspecies named Cyclorhis flaviventris yucatanensis. 



Robert Ridgway. Description of a recently new Oyster-catcher (Haimatopus gala- 

 pagensis) from the Galapagos Islands. 



Proc. V. S. Nat. Mus., IX, Oct. 19, 1886, pp. 325, 326. 



Full description, with a synoptical tablo of the American Pied Oyster-catchers. 



Robert Ridgway. Description of a new species of JHyiarchus, presumably from the 

 Orinoco district of South America. 



Proc. TT. S. Nat. Mus., IX, Nov. 26, 1886, p. 520. 

 The new species named Myiarchus coalei Ridgw. 



Robert Ridgway. On a probable Hybrid between Dryohates nuttallii (Gamb. - ) and 

 D. puiescens gairdnerli (Aud.). 



Proc. TT. S. Nat. Mm., ix, Nov. 26, 1880, pp. 521, 522. 



"With full comparative description of the two species and the supposed hybrid, which came 

 from San Francisco, California. 



Robert Ridgway. On the Glaucous Gull of Bering Sea and contiguous waters. 

 The Auk, ill, 3886, pp. 330, 331. 

 Describes as a new species Larus barrovianus Ridgw. 



Robert Ridgway. Description of a new species of Oyster-catcher from the Gala- 

 pagos Islands. 



The Auk, ill, 1886, p. 331. 



Hcematopus galapagensis Ridgw., sp. nov. 



Robert Ridgway. Preliminary descriptions of some new species of Birds from 

 southern Mexico, in the collection of the Mexican Geographical and Exploring 

 Commission. 



The Auk, III, 1886, pp. 331-333. 



Diagnosis of the following species published in advance by permission of the Director of 

 the National Museum : Amphispiza ferrariperezi ; Pipilo submaculatus ; P. complexus ; Anas 

 diazi ; Philortyx personatus. 



Robert Ridgway. Description of two species of Birds supposed to be from the in- 

 terior of Venezuela. 



The Auk, hi, 1886, p. 333. 



Brief diagnosis of Pyroderus masoni and Aulacorhamphus dimidiatus, published in ad- 

 vance. 

 Robert Ridgway. Descriptions of a new species of Elf Owl from Socorro Island, 

 western Mexico. 



The Auk, ill, 1886, pp. 333, 334. 



Brief diagnosis of Micrathene graysoni Ridgw. 



