68 
1 
Bale: 
606. 
. 607. 
. 608. 
sro: 
. O10. 
Behe 
614. 
gate: 
BULLETIN 51, UNITED STATES NATIONAL MUSEUM. 
List of recently identified fossil plants belonging to the United 
States National Museum, with descriptions of several new 
species. [Compiled and prepared for publication by F. H. 
Knowlton.| By Leo Lesquereux. 
pp. 21-46, 4 pls. 
Descriptions of new and little known etheostomoids. By 
Charles H. Gilbert. 
pp. 47-64. 
A review of the North American species of the genera Lago- 
don, Archosargus, and Diplodus. By Carl H. Eigenmann 
and Elizabeth G. Hughes. 
pp. 65-74. 
Birds of Kauai Island, Hawaiian Archipelago, collected by 
Mr. Valdemar Knudsen, with descriptions of new species. By 
Leonhard Stejneger. 
pp. 75-102, 1 plate. 
Notes on the Northern paleearctic bullfinches. By Leonhard 
Stejneger. 
pp. 103-110. 
Description of a new species of Porzana from Costa Rica. By 
Robert Ridgway. 
p. 111. 
2. Notes on Ardea wuerdemanni Baird. By Robert Ridgway. 
pp. 112-115. 
3. Description of a new species of Ophichthys (Ophichthys retro- 
pinnis), from Pensacola, Florida. By Carl H. Eigenmann. 
p. 116. 
Contributions to the natural history of the Commander 
Islands. No. 7. Revised and annotated catalogue of the 
birds inhabiting the Commander Islands. By Leonhard 
Stejneger. 
pp. 117-145, 3 pls. 
. On a new species of Zropidonotus found in Washington. By 
EK. D. Cope. 
p. 146. 
Trogon ambiguus breeding in Arizona. By Robert Ridgway. 
p. 147. 
. Description of a new plumed partridge from Sonora. By 
Robert Ridgway. 
pp. 148-150. 
. Description of a new genus of dendrocolaptine bird from the 
Lower Amazon. By Robert Ridgway. 
p. 151. 
Description of a new species of Phacellodomus from Vene- 
zuela. By Robert Ridgway. 
p. 152. 
