CONTENTS. XI 



Page. 



XV. Edmund IS. Wilson. Repout ox the PrcNOcoxiDA of New Exglaxd ant) adjacent 

 WATEUS. By Edmuntl r.. V/ilson. "With seven plates .' 403 



Family I. Pycnogonida) 4C0 



ratnily II. Achelidtn 471 



Family III. rallcni<l;o 470 



Family IV. Nymphonidaj 484 



List of works referred to 49!) 



Explanation of plates 503 



Index 505 



APPENDIX F.— THE PROPAGATION OF FOOD FISHES.— GENERAL CONSID- 

 ERATIONS. 



XVI. Baron dc la Valctte St. George. The enemies of fish. By Baron de la Valette 



St. George, director of the Anatomical Institute at Bonn 509 



XVri. IK. Knsch. Is SA'\7I->UST as KEEIOUS an obstacle to the ascent op SALMON in OL'B 



EivERS AS IS oentskally maintained ? By Prof. H. Kasch 517 



XVm. E. Rcichavdt. The purification OF nEFU.-'E water. ByProf. E. Keichardt, of Jena. 519 



Piiritication of water by repose 520 



I'lirilieation of water by chemical process 521 



XIX. A. IS. 8£ir!ing. Xotes ON THE fungus disease affecting salmon. By A. B. Stirling. 525 



XX. A. IS. Stirling. Additional observations on the fungus disease affecting salmon 



and other fish. By A. B. Stirling 531 



XXI. Anonymous. Sickness of the goldfish in the royal park, Berlin. From "Deutsche 

 Fisclierei-2eitung " 537 



XXII. IV. Wergcland. The economic value of the Norwegian lakes and rivers as a 

 HELD for fish CULTURE. By N. Wcrgeland 539 



I. General considerations 543 



H. Wliat further shonld be done, and wherefore 549 



m. The fishes which should be the objects of culture; also the kinds pf fishes and other 



aquatic animals which should be reared as food for these 564 



rV. Acquired experience 5S0 



V. Estimated jirofit aud the economical v.ilue of the water area 5S9 



XXIII. Christian '^Vagncr. "What does a fish cost ? By Christian "Wagner 605 



APPENDIX G.— THE PROPAGATION OF FOOD-FISHES.— APPLICATION. 



Clupaidce. — The herring family, 



XXIV. James W. I?lilner. The propagation and distribution OF shad m 1878. By 

 James W. Milner Cll 



A. Station on Albemarle Sound 611 



B. Station near Havre do Grace, Maryland 618 



C. Potomac Ili ver station 619 



D. General results 619 



XXV. M. A. Meyer. Biological observations made during the artificial eaibino ok 

 HERRINGS DJ the "Western Baltic. ByH. A. Meyer. Preface 629 



I. Influence of the temperature on the development of the cggsof the heiring in spring. . 629 



II. Influence of North Sea water on herrings' eggs from the Baltic 634 



m. Kaisiug young herrings from artificially impregnated eggs 634 



XXVI. A. V. lijungman. Tile propagation and geowth of the herring and small hkr- 

 liiNG, with special REGARD TO THE COAST OF BohuslJvn. By A. V. Ljungman 639 



Cyprinidce. — The carp famihj. 



XXVII. ISobcrt A. Poppe. The introduction and culture of the carp in California. 



By Robert A. Poppe 661 



XXVIII. ISbrn Bandittcn. On carp culture, chiefly r\ its relation to agriculture. 



By Ebcu Eauditten 6C7 



XXIX. I>r. Cd. Teckcsistodt. On THE carp-ponds OF NETiiEU-LusATLi. ByDr.E. Veck- 

 enstedt : C7i 



XXX. AnonymoaN. The carp fisheries in the Peitz Lakes 675 



XXXI. Anonymous. Mu. CnuisTiAN Wagneu's establishment for raising golditsh, at 



OlDENBERG, GKII3IANY '. 679 



