66 OSBORN 



i885 1. Observations upon tlie presence of the Corpus Callosum in the Brains 

 of Amphibians and Eeptiles. Zool. Anz.,'^o. 219, 1886 (pp. 1-5). 



Neur. 3 



2. The Origin of the Corpus Callosum. A contribution upon the Cere- 



bral Commissures of the Vertebrata. Morph. Jahrb., Band XII, 

 Part I, pp. 223-249 and Part II, pp. 530-543. Neur. 4 



3. Note upon the Cerebral Commissures in the lower Vertebrata and a 



probable Fornix rudiment in the Brain of Tropidonotus. Zool. Anz., 



1886, pp. 577-8. Keur. 5 



4. Observations upon the Upper Triassic Mammals Dromatherium and 



:Microconodon. Proc. Acad. Nat. Sc, Phila., 1886, pp. 359-363. 



Pal. 6 



1887 1. The Triassic Mammals, Dromatherium and Microconodon. Proc. 



Amer. Phil. Soc, 1887, pp. 109-110. Pal. 7 



2. On the Structure and Classification of the Mesozoic Mammalia. Proc. 



Acad. Nat. Sci, Phil., June, 1887, pp. 1-11. Pal. 8 



3. Preliminary Account of the Fossil Mammals from the White Kiver 



Formation, contained in the Museum of Comparative Zoology. 

 July, 1887, pp. 151-171. (With Scott.) Pal. 9 



4. Preliminary Report on the Vertebrate Fossils of the Uinta Formation, 



collected by the Princeton Expedition of 1886. Sept. 2, 1887, pp. 

 255-264. (With Scott.) Pal. 10 



5. The Kelation of the Dorsal Commissures of the Brain to the Forma- 



tion of the Encephalic Vesicles. Amer. Nat., Oct., 1887, pp. 

 940-1. Neur. 6 



6. The Foetal Membranes of the Marsupials. Journal of Morphology, Dec, 



1887, pp. 373-382. Embr. 3 



1888 1. A Contribution to the Internal Structure of the Amphibian Brain. 



Journ. of J\[orph., Vol. II, No. 1, July, 1888, pp. 51-92. Neur. 7 



2. Additional Observations upon the Structure and Classification of the 



Mesozoic Mammalia. Proc. Acokl. Nat. Sc, Phila., Oct., 1888, pp. 

 292-301. Pal. 11 



3. Preliminary Account of the Fossil Mammals from the White River 



and Loup Fork Formations, contained in the Museum of Compara- 

 tive Zoology, Part ii, pp. 66-100. { Caimivora and Ajiiodactyla hy 

 Scott, Perissodactyla by Osborn. ) Pal. 12 



4. The Structure and Classification of the Mesozoic Mammalia. Journ. 



Acad. Nat. Sc, Phila., Vol. IX, 1888, pp. 186-265. Pal. 13 



5. Evolution of Mammalian Molars to and from the Tritubercular Type. 



Amer. Nat., Dec, 1888, pp. 1067-1079. Pal. 14 



i88g 1. The Mammalia of the Uinta Formation (Parts i and ii, Scott) 

 (Parts iii and iv, Osborn), iii. The Perissodactyla. iv. The 

 Evolution of the Ungulate Foot. Trans. Amer. Phil. Soc, 1889, 

 pp. 505-569. Pal. 15 



