IV CONTENTS. 



Page. 



Propagation and protection of the Rhine salmon. By P. P. C. Hoek 817 



Fishes in their reuation to the mosquito problem. By William P. Seal 831 



Foods for young salmonoid fishes. By Charles G. Atkins 839 



Fresh-water shrimp, a n.\tural fish food. By S. G. Worth 853 



The cultivation of the turbot. By R Anthony 859 



The treatment of fish-cultural waters for the removal of ALG.B. By M. C. Marsh 



and R. K. Robinson 871 



Notes on the dissolved content of water in its effect upon fishes. By M. C. Marsh. . . 891 



Causes of disease in young salmonoids. By Eugene Vincent 907 



Radical prevention of Costia necatri.x in salmonoid fry. By Johann Franke 917 



Treatment of fungus on fishes in captivity. By L. B. Spencer 929 



Methods of combating fungus on fishes in captivity. By Charles F. Holder 933 



A new method of combating fungus on fishes in captivity. By Paul Zirzow 937 



Eighteen months' experience with a disease of brook trout. By Albert Rosenberg. . . . 941 



American fishes in Italy. By Giuseppe Besana 947 



Acclimatization of American fishes in Argentina. By E. A. Tulian 955 



The introduction of American fishes into New Zealand. By L. F. Ayson. With dis- 

 cussion 967 



Natur.\LIZATIon of American fishes in Austrian waters. By Franz von Pirko 977 



Causes of degeneration of American trouts in Austria. By Johann Franke 983 



New and improved devices for fish culturists. By Alfred E. Fuller 991 



A device for counting young fish. By Robert K. Robinson looi 



A method of transporting live fishes. By Charles F. Holder 1005 



A method of measuring fish eggs. By H. von Bayer 1009 



An improvement in hatching and rearing boxes; with notes on continuous feeding 



of the fry of SalmonidjE. By G. E. Simms 1015 



Devices for use in fish hatcheries and aquaria. By Eugene Vincent 1025 



New methods of transporting eggs and fish. By W S. Kincaid 1037 



FiSHWAVs. By H. von Bayer 1041 



A PLEA FOR 0BSERV.'\TI0N OF THE HABITS OF FISHES AND AGAINST UNDUE GENERALIZATION. By 



Theodore Gill. With discussion , 1059 



The HABITS AND LIFE HISTORY OF THE TOADFISH (OPSANUS TAU). By E. W. Gudger IO71 



Methods of studying the habits of fishes and recording their life histories; with an 



account of the breeding habits of the horned dace. By Jacob Reighard ii 1 1 



A method of observing the habits and recording the life histories of fishes. By 



Charles F. Holder 1 137 



Effects of changes in the density of water upon the blood of fishes. By George G. Scott . 1 143 



Internal parasites of the Sebago salmon. By Henry B. Ward 1 151 



Notes on the flesh parasites of marine food fishes. By Edwin Linton 1195 



Structure \nd functions of the ear of the squeteague. Bv G. H. Parker 121 1 



An intEivsiv'E study of the fauna and flora of a restricted area of sea bottom. By 



Francis B. Sumner 1225 



Development of sponges from tissue cells outside the body op the parent. By H. V. 



* Wilson 1 265 



Gases dissolved in the waters of Wisconsin lakes. By E. A. Birge. With discussion . . 1273 



Volumetric studies of the food and feeding of oysters. By H. F. Moore 1295 



A PLAN FOR AN EDUCATIONAL EXHIBIT OF FISHES. By Charles F. Holder 1309 



A PLAN FOR AN EDUCATIONAL EXHIBIT OF FISHES. By Roy W. Miner 1315 



Outline for an educational exhibit of fishes. By F. A. Lucas 1341 



A method of preparing fish for museum and exhibition purposes. By Dvvight Franklin. 1353 



New methods of preparing fishes for museum exhibit. By J. D. Figgins 1357 



The United States Bureau of Fisheries: Its establishment, functions, organization, 



resources, operations, and achievements. By Hugh M. Smith 1365 



General index i-xii 



