xxiv 
naturalists’ quarterly advertiser. 
30. ALLEN.—A List of the Birds of Massachusetts 
with Annotations ...... 30 
37. “ Description of a Fossil Passerine Bird 
from the Insect-bearing Shales of Colorado . 25 
38. RIDGWAY.—Studies of the American FalconidsB 
Ornithology of Guadeloupe Island. Two 
papers in one. 2 plates .... 50 
39. “ The Birds of Guadeloupe Island . 20 
40. “ Studies of the American Herodiones. 
Cuts . . :.. 30 
Synopsis of the American Genera of Ardeidse and Cu- 
coniidse Including descriptions of three new Genera and a 
Monograph of the American species of the Genus Ardea, 
Linn . 
41. BID GW AY.—Studies of the American Falconidse. 
A Monograph of the Polybori. 5 plates . 35 
42. “ Partial List of Birds of California. 
By L. B elding of Stockton . 30 
43. “ On the use of Trinomials in Zoologi¬ 
cal Nomenclature ......... 20 
BEPTILEi. 
1. BAIRD & GIRARD.—Catalogue of North American 
Keptiles (Serpents) . . . . . . . . $1 00 
2. MITCHELL.—Researches upon the Venom of the 
Rattlesnake.175 
3. COPE.—Synopsis of the extinct Batrachia and Rep- 
tilia of North America. 4to. 12 double plates . . 4 00 
4. STEINDACHNER.—Zwei Neue Eidechsen-Arten 
Aus-Sud. Amerika and Boneo. 2 colored plates. 4to . 60 
5. STEINDACHNER.—Die Schlangen und Eidechsen 
der Galapagos-Inseln. 3 colored plates. 4to . . . 3 75 
0. DUVERNOY- Des Organes de la Deglutition de la 
classe des oiseaux et des Reptiles. 4to. 5 plates . . 1 50 
7. BAIRD.-Revision of the North American Tailed 
Batrachia, with descriptions of new Genera and Species. 
4to. 1 plate 
1 00 
