4 BULLETIN 51, UNITED STATES NATIONAL MUSEUM. 



Marine Invertebrates. By Richard Eathbun. pp. 199-207. 



Comparative Anatomy. By* Frederick W. True. pp. 209-213. 



Invertebrate Fossils. By C. D. Walcott. pp. 215-227. 



Invertebrate Fossils (Mesozoic). By C. A. White, pp. 229-230. 



Fossil Plants. By Lester F. Ward. p. 231. 



Recent Plants. By Lester F. Ward. pp. 233-235. 



Minerals. By F. W. Clarke, pp. 237-238. 



Lithology and Physical Geology. By George P. Merrill, pp. 239-244. 



Metallurgy and Economic Geology. By Fred. P. Dewey, pp. 245-252. 



Papers illustrating the collections pp. 253-670. 



Bibliography pp. 671-699. 



List of accessions pp. 701-793. 



Annual Keport | of the | Board of Regents | of the | Smithsonian Insti- 

 tution, I showing I the operations, expenditures, and condition | 



of the Institution | for the | year ending June 30, 1887. | | 



Part II, I I Washington: | Government Printing Office. | 



1889. 



8vo., pp. xviii, 1-771, 32 pis., 125 flgs. 



Report of Assistant Secretary pp. 1-62. 



Reports of curators pp. 63-558. 



Ethnology. By Otis T. .Mason, pp. 65-75. 



American Aboriginal Pottery. By W. H. Holmes, pp. 77-78. 



Transportation. By J. Elfreth Watkins. pp. 79-81; 1 pi., 2 flgs. 



Archseology. By Charles Rau. pp. 83-85. 



Mammals. By Frederick W. True. pp. 87-94. 



Birds. By Robert Ridgway. pp. 95-100. 



Birds' Eggs. By Charles E. Bendire. pp. 101-102. 



Reptiles and Batrachians. By H. C. Yarrow, pp. 103-104. 



Fishes. By Tarleton H. Bean. pp. 105-110. 



Mollusks (including Cenozoic Invertebrate Fossils). By W. H. Dall. 

 pp. 111-115. 



Insects. By C. V. Riley, pp. 117-123. 



Marine Invertebrates. By Richard Rathbun. pp. 125-135. 



Comparative Anatomy. By Frederick W. True. pp. 137-138. 



Invertebrate Fossils (Paleozoic). By C. D. Walcott. pp. 139-141. 



Invertebrate Fossils (Mesozoic) . By C. A. White, p. 143. 



Fossil Plants. By Lester F. Ward. pp. 145-146. 



Recent Plants. By Lester F. Ward. pp. 147-148. 



Minerals. By F. W. Clarke, pp. 149-150. 



Lithology and Physical Geology. By George P. Merrill, pp. 151-153. 



Metallurgy and Economic Geology. By F. P. Dewey, pp. 155-158. 



Papers illustrating the collections pp. 159-558. 



Bibliography pp. 559-594. 



List of accessions pp. 595-703. 



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

 tution, I showing I the operations, expenditures, and condition i 



of the Institution | for the | year ending June 30, 1888. | | 



Report of the U. S. National Museum. | | "Washington: | 



Government Printing Office. | 1890. 



8vo., pp. xxii, 1-876, 108 pis,, 2 charts, 174 flgs., 4 diagrams, 1 map. 

 Report of Assistant Secretary pp. 1-84. 



