760 Richard Rathbun. 



sponges for the Great International Fisheries Exhibition 

 at London in 1883 18 contains an excellent account of the 

 economic importance of these groups and the industries 

 in which they are concerned, while another catalogue 19 

 describes the collection illustrating the scientific investi- 

 gation of the sea and fresh waters. He also prepared 

 and published the records of the dredging stations of the 

 U. S. Fish Commission for many years, in part with the 

 cooperation of Sanderson Smith. 20 



During this period Rathbun continued his systematic 

 studies on various groups of invertebrates, publishing 

 annotated lists of corals in the U. S. National Museum, 

 with diagnoses of a number of new species 21 and a cat- 

 alogue of the marine fauna of Provincetown, Mass. 22 He 

 was also interested in the parasitic copepods, of which 

 he published a list of the species in the United States 

 National Museum 23 and described many new forms. 24 



In the economic aspects of marine biology Rathbun 

 produced the best of all his zoological work, and rendered 

 a great service both to science and industry. His 

 account of the natural history of crustaceans, worms, 

 radiates and sponges 25 in Goode's Natural History of 

 Aquatic Animals, published in connection with the Tenth 

 Census, is a work of the highest excellence. This was 

 followed by three extensive reports on the history and 

 methods of the fisheries. Of these, the first deals with 

 the crab, crayfish, lobster, shrimp and prawn fisheries, 26 

 the second with the leech ^industry and trepang fishery, 27 

 and the third on the sponge fishery and trade. 28 Other 

 reports published in connection with the Tenth Census 

 include an account of the various fishing grounds of 

 North America, 29 and a survey of the ocean tempera- 

 tures of the eastern coasts of the United States. 30 Alto- 

 gether these reports comprise 550 quarto pages and 106 

 plates, and they form one of the most important of all 

 contributions to marine economic zoology. 



Other economic papers include notes on the decrease 

 of lobsters, 31 lobster culture. 32 transplanting of lobsters 

 to the Pacific Coast, 33 the shrimp and prawn fisheries, 34 

 methods of deep-sea dredging, 35 investigations by the 

 schooner Grampus, 36 a review of the fisheries in the con- 

 tiVuons waters of the State of W* shins-ton and British 

 Columbia, 37 and an introduction to the report on the Alba- 

 tross explorations in Alaska, 38 in addition to yearly con- 



