CONTENTS. IX 



APPENDIX C— DEEP-SEA RESEARCH. 



Page. 



X. Popular extracts from the investigations of the Commission for the scientific ex- 

 amination of the German seas 505 



A. The physical condition of the Baltic and the North Sea. G. KaVster 525 



B. Scientific investigations upon the fishes profitable to the fisheries. K. Mobius 534 



C. The spawning process of salt-water fish and its importance to fishermen. V. Hensen. 548 



XI. Sanderson Smith and Richard Rathbun. Lists of the dredging stations of 

 the United States Fish Commission from 1871 to 1879, inclusive, with temperature 

 and other observations. Arranged for publication by Sanderson Smith and Bickard 



Eat hbun 559 



XII. Z. L. Tanner. Report of operations of the United States Steamer Speedwell 

 in 1879, while in the service of the United States Fish Commission. By Lieut. Z. L. 

 Tanner, U. S. N., commanding 603 



APPENDIX D.— PROPAGATION OF FOOD FISHES.— GENERAL CONSIDERA. 



TIONS. 



XIII. C Tolkc. The pollution of public waters by refuse from factories. By C. 

 Tblke 619 



XIV. Is saw-dust injurious to the fisheries ? (From report of A. Landmark) C'J.3 



XT. O. F. Rciscnbichler. The thick or thin fertilization of eggs. By G. F. Reisen- 



bichler C33 



XVI. Livingston Stone. Eeport on overland trip to California with living fishes, 



1879 637 



XVII. Sckizawa Akckio. MEMORANDUM Otf FISH-CULTURE IN JAPAN, WITH A NOTICE OF 



experlmexts in breeding the California trout. By Sekizawa Akekio 645 



XVIII. Von dem Rome. ON POND-FISHERIES. By Von dem Borne 649 



XIX. Emil von ITIarenzcller. The fisctcultural establishment of Mr. August 

 Fruwirth in Freiland, near St. PGlten, Lower Austria. By Dr. Emil von Maren- 

 zeller 651 



APPENDIX E.— PROPAGATION OF FOOD FISHES.— SPECIAL APPLICATIONS. 



XX. II. W. Mason. Eeport of operations on the Navesink River, XEw r Jersey, in 

 1879, in collecting living striped bass for transportation to California. By H. W. 

 Mason 663 



XXI. O. Finsch. Eeport on the transportation of a collection of living carp from 

 Germany. By Dr. O. Finsch 667 



XXII. Eckardt-Iiiibbinchcn. Eeport on the propagation and growth of carp. By 



Mr. Eckard t -Lii bbiuchen 671 



XXIII. Haack. Raising salmonoids in inclosed waters. By Director Haack 675 



XXIV. Ilaaek. TREATMENT OF young salmonoids and coregoni from the time they 

 leave the egg till they are fully developed and can be placed in open watebb. 



By Director Haack 687 



XXV. Livingston Stone. Eeport of operations at the United States salmon-breed- 

 ing station on the McCloud Eiver, California, during the season of 1879 693 



XXVI. C. JT. Rottcmannc. California salmon in the Netherlands. By C. J. Botte- 

 manne 709 



XXVII. Livingston Stone. Eeport of operations at the United States trout ponds, 

 McCloud River, California, during the season of 1879. By Livingston Stone 713 



XXVIII. Charles <2. Atkins. Eeport on the propagation of Penobscot salmon in 

 1879-80. By Charles G. Atkins 721 



XXIX. Charles CJ. Atkins. EEror.T on the propagation of Sciioodic salmon in 1879-SO. 



By C harles G. At kins 733 



XXX. II. Rnbcliiis. Crawfish culture in Europe. By H. Eubelius 767 



XXXI. Emil von ITIarenzcller. The raising of sponges from cuttings. By Dr. Emil 



von Marenzeller 771 



