6 



of Staphylim'dae to Mr. Fauvel, and one of Brenthidge to Mr. Power 

 for identification and publication with other materiaL 



The second and concluding Part of the Final Report on the 

 Sponges of the "Blake" by Professor Oscar Schmidt of Stras- 

 burg has been published. It forms a quarto Memoir of sixty 

 pages, handsomely illustrated by five Plates. 



Dr. Steindachner has continued his descriptions of Fishes from 

 South America, based in great part on the Collections of the Mu- 

 seum, in the Proceedings of the Vienna Academy. 



The collection of the Echini of the " Challenger " Expedition, 

 entrusted to me for description, has been i-eturned to England 

 this spring, and I have forwarded the final Report to Sir Wy- 

 ville Thomson, together with the complete edition of sixty-five 

 Plates illustrating this Memoir. 



The Museum publications have been more than usually im- 

 portant and numerous. 



The Bulletins contain contributions to the Natural History of 

 the depths of the sea, by Messrs. Pourtales, Lyman, Dall, and 

 myself. In addition there have been published papers by Messrs. 

 Faxon, Fewkes, Allen, and Wadsworth on Crustacea, Siphon- 

 ophorse. Bats, and Lithology. 



The Report on the Florida Reefs, prepared by Professor Louis 

 Agassiz for the Superintendent of the Coast Survey, has been 

 published as one of the Museum Memoirs. It is finely illustrated 

 by lithographic plates, drawn many years ago by the late A. 

 Sonrel. 



In connection with Professor Whitney the Museum has also 

 completed the Auriferous Gravels of California, completing Vol. 

 VI. of the Memoirs, fully illustrated with plates, maps, and 

 heliographs of scenery. 



No. 2 of Vol. YII. of the Memoirs, " Climatic Changes of Later 

 Geological Times," also published in connection with Professor 

 Whitney, is well advanced. 



The increase of the Library has been large, and our exchanges 

 continue on a satisfactory footing. The total number of volumes 

 now in the Library exclusive of pamphlets is over 14,000. Nearly 

 800 volumes were added during the past year, and about 1300 

 pamphlets and parts of volumes. 



The special Reports of the assistants give the details of the 

 departments in their charge. The work on the collection of 



