ANIMAL RESOURCES AND FISHERIES OF UNITED STATES. 237 



Resiilt)^ of ^vork. 



1. Eeports of tlie Commission. 



(United States Commission of Fish and Fisheries. Part II.) 



XXII. Papers relating to practical fish-culture. 



A. Method of treating adhesive eggs of certain fishes^ 



especially of the Cypriuidse, in artificial propa- 

 gation. By Eiidolph Hessel. pp. 5fi7-.570. 



B. On the so-called "dry" method of impregnating 



spawn. By Alexander Stenzel, inspector of 

 fisheries in Silesia, Germany, pp. 571-574. 



C. Fish-cnlture in salt or brackish waters. By Theo- 



dore Lyman, Fish Commissioner of Massachu- 

 setts, pp. 575-577. 



D. Descriptions of improved apparatus in fish-hatch- 



ing, pp. 578-587. 

 Appendix E. — Obstructions to the upward movement of fishes 



IN STREAMS, AND THE REMEDY. Jip. 588, 589. 



XXIII. On FISH- WAYS. By Charles G. Atkins, pp. 591-615. 



XXIV. On OBSTRUCTIONS TO THE ASCENT OF FISH IN CERTAIN 



RIVERS, p. 617. 



A. Obstructions in the rivers of Maine. By E. M. 



Stillwell. pp. 617-621. 



B. Obstructions in the tributaries of Lake Cham- 



plain. By M. C. Edmunds, pp. 622-627. 



C. Obstructions in some of the rivers of Virginia. 



By M. McKennie. pp. 628-629. 



D. Character of the streams on the northern shore of 

 ' Lake Michigan. By J. F. lugalls. pp. 630- ;:}2. 



E. Characters of some of the northern tributaries of 



Lake Michigan. By James W. Milner. i»p. 

 632-634. 

 Appendix F. — ^Natural History, pp. 635-636. 



XXV. The Crustacea of the fresh waters of the United 

 States. By Sidney I. Smith. 



A. Synopsis of the higher fresh-water Crustacea of 

 ♦ the Northern United States, pp. 637-657. 



B. The crustacean parasites of the fresh-water fishes 



of the United States, pp. 661-665. 

 XXVI. Synopsis of the North American fresh-water 



Leeches. By A. E. Verrill. pp. 666-689. 

 XXVII. Sketch op the invertebrate fauna of Lake Supe- 

 rior. By Sidney I. Smith, pp. 690-706. 

 XXVIII. Food of fresh-water fishes. By Sidney I. Smith. 

 pp. 708-709. 

 XXIX. Natural and economical history of the Gourami 

 (Osphromenus goramy). B" Theodore Gill. p. 710. 



A. Natural history, pp. 710-717. 



B. The introduction and attempts to introduce the 



gourami into foreign countries, pp. 718-72o. 

 t!. Rules for transportation and introduction, p . 727. 

 XXX. Notes on the Grayling (ThijmaUus) of North Amer- 

 ica. By .James W. Milner. pp. 729-742 

 Appendix G. — Miscellaneous Papers, p. 743. 



