6 BULLETIN 51, UNITED STATES NATIONAL MUSEUM. 



Comparative Anatomy. By Frederick W. True. pp. 387-390. 



Paleozoic P'ossils. By C. D. Walcott. pp. 391-396. 



Mesozoic Fossils. By C. A. White, p. 397. 



Botany. By George Vasey. p. 399. 



Minerals. By F. W. Clarke, pp. 401-403. 



Lithology and Physical Geology. By George P. Merrill, pp. 405-411. 



Metallurgy. By F. P. Dewey, pp. 413-415. 



Living Animals. By W. T. Hornaday. pp. 417-423. 



Pajjcrs illustrating the collections pp. 425-735 + Appendix E, pp. 1-50. 



Bil )liography pp. 737-775. 



List of accessions pp. 777-820. 



Annuiil Roport | of the | Board of Regents | of the | Smithsonian 

 Institution, | .showing | the operations, expenditures, and condi- 

 tion I of the Institution | for the | year ending June 30, 1890. | 

 I Report I of the | IT. S. National Museum. | | Wash- 

 ington: I Government Printing Office. | 1891. 



pp. xviii, 1-811, KB pis., 99 figs. 



Report of Assistant Secretary pp. 1-116. 



Reports of curators pp. 1 17-249. 



Ethnology. By Otis T. Mason, pp. 119-136. 



Oriental Antiquities. By Cyrus Adler. pp. 137-140. 



Historical Collections. By A. Howard Clark, pp. 141-145. 



Graphic Arts. By S. R. Koehler. pp. 147-157. 



Transportation and Engineering. By J. Elfreth Watkins. pj). 159-162. 



Forestry. By B. E. Fernow. pp. 163-164. 



Foods and Textiles. By Romyn Hitchcock, pp. 165-174. 



Materia Medica. By James M. Flint, pp. 175-177. 



Prehistoric Anthrojwlogy. By Thomas Wilson, pp. 179-187 



Mammals. By Frederick W. True. pp. 189-193. 



Birds. By Robert Ridgway. pp. 195-198. 



Birds' Eggs. By Charles E. Bendire. pp. 199-200. 



Reptiles and Batrachians. By Leonhartl Stejneger. pp. 201-203. 



Fishes. By Tarleton H. Bean. pp. 205-209. 



Mollusks. By Wm. H. Dall. pp. 211-217. 



Insects. By C. V. Riley, pp. 219-221. 



Marine Invertel)rates. By Richard Rathbun. pp. 223-229. 



Comparative Anatomy. By Frederic-k W. True. pp. 231-232. 



Paleozoic Fossils. By Charles D. Walcott. pp. 233-234. 



Mesozoic Fossils. By C. A. White, pp. 235-236. 



Botany. By George Vasey. pp. 237-239. 



Minerals. By F. W. Clarke, pp. 241-242. 



Geology. By George P. Merrill, pp. 243-249. 



Papers illustrating the collections pp. 251-680. 



Bi})liography pp. 681-716. 



List of accessions pp. 717-765. 



Annual Report | of the | Board of Regents | of the | Smithsonian 

 Institution, | showing | the operations, expenditures, and condi- 

 tion I of the Institution | for the | year ending June 30, 1891. | 

 I Report I of the | U. S. National Museum. | | Wash- 

 ington: I Government Printing Office. | 1892. 



8vo., pp. xvii, 1-869, 81 pis., l.'il figs., 3 diagrams. 



Report of Assistant Secretary pp. 1-131. 



