MUSEUM BULLETIN 
brought by a Member of the Ziegler Exploring Expedition. By 
R. P. WHITFIELD. (Plates XVIII, XIX) 
Art. VIII. New or little-known Mammals from the Biorene of South 
Dakota. American Museum Expedition of 1903. By W. D. 
MartrHew and J. W. Giptey. Part IV, J.W.G. (20 text a 
ures) 
Art. IX. On Tie faierese Genet of eine meee, C Wiston non 
Leidy and Anostera Leidy. By Oxiver P. Hay. (8 text figures) 
Art. X._ List of Birds collected in Northwestern Durango, Mexico, by 
J. H. Batty, during 1903. By Watpron De Wirr MILLER 
Art. XJ. Arachnida of the Bahamas. By NatHan Banks. (4 text 
figures) . ; 
Art. XII. Mammals fee the Sites af Sictalon ca J sists Mexicn: 
collected by J. H. Barry during 1904and 1905. By J. A. ALLEN. 
(Plates XX—-XXXIII and 3 text figures) 
Art. XIII. Milk Dentition of the Hyracoid Saghntherdum pats the 
Upper Eocene of Egypt. By Henry FarrrreELp OsBorn. (3 text 
figures) . 
Agr. XUV. A New W sane Fly (Pulicighora epemeye ever fap 
Porto Rico. By Witt1amM Morron WHEELER. (Plate XXXIV) 
Art. XV. Volcanic Ash in the Bridger Beds of Wyoming. By J. W. 
Sinciair. (Plates XXXV-XXXVIID) 
Art. XVI. Tyrannosaurus, Upper Cretaceous Carnivorous Dicneae 
Second Communication. By Henry FarrFIELD Osporn. (Plate 
XXXIX) CS Ries aire eget Pic? Ee Mere ear ye Pen eral 
Art. XVII. New Notes on the Osteology of Triceratops. By Bar- 
NuM Brown. (Plate XL, and 2 text figures) . : : 
Art. XVIII. The Ants of Japan. By Witt1Am Morton Wea ER. 
(Plate XLI and 2 text figures) . ; 
Art. XIX. The Ants of the Grand Canyon, a ae By Wastin 
Morton WHEELER Shi aha Cepee 22 
Amp ek. he “Ants, of the Bormadas. By Veen Morton 
WHEELER. (1 text figure) Sa 
Art. XXI. Hypothetical Outlines of the Cantons in ‘Mertiaey 
Times. By W. D. MatrHew. (7 text figures) 
Art. XXII. A New Genus of Horses from the Mascall Bede: Ww ah 
Notes on a Small Collection of Equine Teeth in the University of 
California. By J. W. Grpiey. (1 text figure) 
Art. XXIII. Remarks on and Descriptions of Jurassic ossily of the 
Black Hills. By R. P. Wurrrretp and E. O. Hovey. (Plates 
XLU-LXII) 
131 
191 
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