28 THE AMERICAN MUSEUM JOURNAL 
THE MUSEUM BULLETIN FOR 1907 
HE twenty-third volume of the Bulletin of the American Museum 
was issued during the year 1907, and is the largest single vol- 
ume of the series that has been published, containing about one 
thousand pages of text matter and fifty-four plates. The wide range of 
activity of our scientific staff in research in the various departments of 
natural science is indicated by the titles of the thirty-six articles compris- 
ing the volume, as given in the following list. ‘The articles are technical 
in character, but many of them have much general as well as scientific 
interest. ‘hey are published separately and, like the complete volume, 
may be obtained from the librarian. 
PAGE 
Art. I. The Polymorphism of Ants, with an Account of 
Some Singular Abnormalities Due to Parasitism. 
By Wriut1am Morton WHEELER. (Plates I-VI) 1 
Art. I]. The Fishes of the Motagua River, Guatemala. By 
Newton MILuer : : : : : 95 
Art. Ill. Zebrasoma deani, a Fossil Suir fish from the 
West Indies. By L. Hussaxor. (Plate VII) 125 
Art. IV. An Enumeration of the Localities in the Florissant 
Basin, from which Fossils were obtained in 1906. 
By T. D. A. Cock=ERELL . : : : Pee (7 
Art. V. Fossil Dragonflies from Florissant, Colorado. By 
TDA. \CockeREnt . . : 3 133 
Arr. VI. Supplemental Descriptions of Two New Genera of 
/Eschnine. By James G. NEEDHAM ,; =e pees 
Arr. VII. Notes on and Descriptions of New Forms of Cato- 
cala. By Witi1aM BEUTENMULLER . s . 4s 
Arr. VIII. Microlepidoptera from the Black Mountain Region 
of North Carolina, with Descriptions of New 
Species. By W. D. Kearroot. (Plate VIII) 153 
Arr. IX. A Lower Miocene Fauna from South Dakota. By 
W. D. MatrHew : , . ie SS 
Arr. X. Ona Collection of Australian and Auiaie Bee By 
T DA. -Cockmrrns ; sy ae 
Arr. XI. Tertiary Mammal Horizons of North Avion By 
Henry FAIRFIELD OSBORN : 230 
Arr. XII. A Mounted Skeleton of the Columbian ‘Maaneeee 
(Elephas  columbi). By Henry  FaAtrrieELD 
OSBORN : F : 5 : : : ae Be 
