— BB 35 — 
dings, t. XXXVII, n° 23 , 1901 ; t. XXXVIII, 
n os 1-21, 1902. 
Boston. Society of natural history. Proceedings , vol. 
XXX, n os 8-7, 1902. 
Cambridge. Muséum of comparative Zoôlogy. Bulletin, 
t. XXXVIII, n os 5 - 8 , 1900; t. XXXIX, n os 
4 *- 6 , 1901; t. XL, n os 1, 3 - 6 , 1902. Geological 
sériés , t. XLII, n° 1, 1903. Animal Report, 
1901-1902. 
Chicago. Journal of Geology, vol. fX, n os 7-8, 1902; vol. 
XI, n os i- 3 , i 9 o 3 . 
Des Moines. Iowa geological Survey. Proceedings, vol. 
XII, 1901. 
Denver. Colorado scientific Society. Proceedings, vol. 
VI, 1897-1900; vol. VII, pp. 55 - 84 , 1901. 
Indianapolis. Indiana Academy of science. Proceedings, 
ï 9 01 . 
Lawrence. The Kansas University. Science Bulletin, 
vol. I, n os 5-12, 1902. Quarterly, vol. X, n° 4. 
Madison. Wisconsin geological and natural history Sur¬ 
vey. Educational sériés, n° 2, 1902. 
New-York. American Muséum of natural history. Bulletin, 
vol. XVI, 1902, vol. XVII, part 1, 1903 ; Table 
des vol. I-XVI, 1902. Animal report, 1901,1902. 
Philadelphie. Franklin Institute. Journal, vol. CLIV, 
n os 5 - 6 , 1902; vol. CLV, n os 2-6, 1902; vol. 
CLVI, n° 1, 1903; 
American philosopliical Society. Proceedings, 
vol. XL, n os 169-170, 1901; vol. XLI, n° 171, 
1902. 
Rochester. Geological Society of America. Bulletin, vol. 
XIII, 1902. 
Saint-Louis. Academy of science. Transactions, vol. XI, 
n os 6-u, 1901; vol. XII, n os 1-8, 1902. 
