X CONTENTS. 



Page. 

 APPENDIX C— THE SEA FISHERIES, 



VI. Frederick M. IVallem. Eeport o.v the American fisheries. By Frederick M. 



Wallem 75 



Introdnctory remarks 75 



I. The fresh-fish trade 77 



II. Kinds and prices of fish 78 



III. A culinary fish dinner, with international dishes 



IV. North America as a maiket for imported fish products. A few statistics 83 



V. Preserving fish with ice, and the significance to Norwaj* of this mode of treatment ... 8D 



VL The American refrigerator 92 



VII. Two kinds of refrigerators on board packet steamers for carrying fresh meat 94 



VIII. Fresli-water fisheries in America 98 



IX. Hatching young fishes for the sake of the fisheries 102 



X. Life on board a fishing schooner at sea. Mackerel catching with the purse-seine 108 



XI. Concluding remarks 114 



Vn. H. Widcgrcn. Short introduction to the proper care and management of the 



Baltic fishery. By H. Widegren, Stockholm, 1874 117 



The fauna of the Baltic 117 



I. The coast fishery on the coast and in the bays of the Baltic 118 



II. The fisheries in the open Baltic 124 



VIII. Axel Vilholsn lijungman. The salt-water fisheihes of Bohuslan and the scien- 

 tific investigation of the salt-water fisheries. By Axel Vilhclm Ljuugman 143 



L The necessary basis for carrying on the Bohuslan salt-water fisheries and the scientific 



and practical investigations and experiments required for obtaining this basis 143 



II. Brief review of our present knowledge of the mode of life and the migrations of the 



herring, and their physical and biological causes ICO 



IX. Axel Vilholni fijunguian. The great Bohuslan herring fisheries. By Axel Vil- 

 helm Ljuugman 221 



X. Anouymojis. Society for promoting the DfORWEGiAN fisheries 241 



XI. I^ieut. Niels Jncl. Statistics of the Loffoden fisheries for 1878. By Lieut. Niels 

 Juel 245 



APPENDIX D.— DEEP-SEA RESEARCH. 



XII. I»rof. G. O. Sar.«». Report on the XomvEoi.^N deep-sea expedition of 1878. By Prof. 

 aCSars 257 



Xin. Cr. Karsien. On the scientific investigation of the Baltic Sea and the German 



Ocean. By G.Karsten 283 



APPENDIX E.-THE NATURAL HISTORY OF MARINE ANI3IALS. 



XTV. Oscar Hargcr. Report on the marint? Isopoda of New Engl.vnd and adjacent 



waters. By Oscar Harger. VTith thirteen plates 297 



I. OniscidiB 305 



H. BopyridfB 311 



IIL Asellidffl 312 



IV. Hunnopsid® 328 



V. Idoteidaj 335 



VI. Areturidaj 301 



VII. Sphceromidae 367 



Vni. LimnoridiD 371 



IX. Cirolanidoj 376 



X. ^gidaj 382 



XL CymothoidoB 390 



XIL Anthuridaj 396 



XIEL Gnathiidaj 408 



XIV. Tanaidte 413 



List of authorities 436 



Explanation of the plates ■- - 453 



Alphabetical index 459 



