CONTENTS IX 



Page. 



9. Opbuatioxs of United States Fish Cosimissiox liii 



First establishcil in 1871 for iu(]uiry into tho fishoriea liii 



Propagation of tisbos added in 1872 liv 



Fishes roceiving especial attention li^ 



Shad and its importance liv 



Successful results of planting them lir 



The eastern or Atlantic salmon I'V 



Results in tho Connecticut and elsewhere Iv 



The California salmon Iv 



Advantages ov(!r other species 1^ 



Great demand and extensive distribution Iv 



Tho German carp Ivi 



Best varieties ■■. l^i 



Introduction of steam in hatching fish Ivi 



Invention of Mr. Ferguson Ivi 



Great increase in number of shad batched Ivi 



Application of apparatus to hatchery of cod Ivi 



Establishment at Gloucester, Mass Ivi 



Expectation of extending line of coast cod-ftsberiea Ivii 



Application to batching of mackerel, halibut, &c Ivii 



Effect on British fisheries of increase in American supply Ivii 



E.— TABLES OF DISTRIBUTION OF FISH FOR 1878. 



Tap.lk I. — Bistribution of shad from April H to June 14, 1878, by tho United States and Maryland 



Commissions of Fish and Fisheries Iviii 



Tadle II. — Distribution of California salmon reared from eggs collected in 1878* Ixi 



Table III. — Distribution of land-locked salmon reared from eggs collected in 1878. (Deferred 

 until the next report, on account of incomplete returns.) 



Table IV. — Distribution of whitofish reared from eggs collected in 1878t Ixiv 



IL— APPENDIX TO EEPORT OF COMMISSIONER. 



APPENDIX A.— PATENTS; LEGISLATION; PROTECTION. 



I. Robert d. Dj-renforth. List of taten'ts issued in the United States, Gueat Bkitain, 



a?;d Caxada, up to the end of 1878, relating to fish and the methods, i'koducts, and 

 applications of the fisheries. By Robert G. Dyrenforth, principal examiner. United 



States Patent Oflice 3 



American patents 3-15 



English patents 11-15 



Canadian patents 16 



II. Kobcrt G. Uyrcuforth. Abstract of patents issued in Gre.vt Britain, up to the 



YEAIt 1878, HAVING reference TO THE PURSUIT, C^U'TUUE, AND UTILIZATION OF THE PRODUCTS 



OF THE FISHERIES. By Eobert G. Dyrenforth, M. D., examiner, United States Patent Office. 



"With sixteen plates 17 



m. Memorial. A petition to the Fish Commission of the United States, signed by 



the fishermen of Block Island, June 12, 1877 35 



APPENDIX B.— FISHERY EXPOSITIONS. 



IV. A. Fcddcrsen. Abstract of an article from the " Nordisk Tidsskrift for Fiskeki," 



1878, entitled " Ouseuvations ON FISHERY expositions," ETC. By A. Feddorsen 43 



T. Joakiin Atidcrsiicn. Report on the Department of Fisheries in the 'World's Exposi- 

 tion in Philadelphia, 1876. By Joakim Anderssen, juryman 47 



I. The fishery exhibition in Philadelphia in 1876 47 



n. The fisheries of North America 54 



in. Brief account of the fisheries of Kova Scotia and Newfoundland C4 



IV. Po.stscript 67 



* The eggs of tho California salmon were hatched out in 1878 but not distributed, for the most part, 

 nntil 1871). The batching an<l distribution were made by tho State fishery commissions, except when 

 otherwise stated. Tho imperfections of the return.** will bo remedied in the next report. 



f Not hatched until 1879. The ■hatching and distribution made by tho New Jersej' Fish Commission. 

 Tho eggs were collected by F. N. Clark, of Noitb villa, Mich. 



