6 BULLETIN 51, UNITED STATES NATIONAL MUSEUM. 
Comparative Anatomy. By Frederick W. True. pp. 387-390. 
Paleozoic Fossils. 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. 415-415. 
Living Animals. By W. T. Hornaday. pp. 417-423. 
Papers illustrating the collections.... pp. 425-735 + Appendix E, pp. 1-50. 
Bilplioemay iy) eaee Bae eee se aa pp. 737-775. 
Tist.of accessions... 5.2) 8s. Seek. eee pp. 777-820. 
Annual Report | of the | Board of Regents | of the | Smithsonian 
Institution, | showing | the operations, expenditures, and condi- ~ 
tion | of the Institution | for the | year ending June 30, 1890. | 
| Report | of the | U. S. National Museum. | | Wash- 
ington: | Government Printing Office. | 1891. 
pp. Xviii, 1-811, 163 pls., 99 figs. 
Report.of Assistant: Secretary = 2222. =... 5 sa ere pp. 1-116. 
Reports Ol. CURAbORS see San BE tt Ns oe rs eee ae pp. 117-249. 
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 8S. R. Koehler. pp. 147-157. 
Transportation and Engineering. By J. Elfreth Watkins. pp. 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 Anthropology. 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 Leonhard 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 Invertebrates. By Richard Rathbun. pp. 223-229. 
Comparative Anatomy. By Frederick 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. 
Bibliography S25. 254- 5 nee oe ae eee eee ee pp. 681-716. 
List; of accessions2 2. = = ee Se see eee pp. 717-765. 
Annual Report | of the | Board of Regents | of the | Smithsonian 
Institution, | showing | the operations, expenditures, and condi- 
tion | of the Institution | for the | year ending June 30, 1891. | 
—- | Report | of the | U. S. National Museum. | | Wash- 
ington: | Government Printing Office. | 1892. 
8vo., pp. Xvii, 1-869, 84 pls., 151 figs., 8 diagrams. 
Report of Assistant Secretary-<..-...--..-55-55-5 252- pp. 1-181. 
