IV CONTENTS. 
Page. 
PROPAGATION AND PROTECTION OF THE RHINE SALMON. By P. P.C. Hoek...... sieieteist ketene cee: © CL) 
FISHES IN THEIR RELATION TO THE MOSQUITO PROBLEM. By William P. Seal................ 831 
FoopDs FOR YOUNG SALMONOID FISHES. By Charles G. Atkins.................,..-. ehiehae = 839 
FRESH-WATER SHRIMP, A NATURAL FISH FOOD. By S.G. Worth...................eeeeeeee 853 
THE CULTIVATION OF THE TURBO. EBy) RAntHOMY Ein scenes mcltiaetetena ce ciekaha ste eletenel nelteenete 859 
THE TREATMENT OF FISH-CULTURAL WATERS FOR THE REMOVAL OF ALG. By M. C. Marsh 
and. R. K.Robinson 4 s2)s. se alters Nese se ear orc aie te 5 PR ie na inner amet = Ce eee ee 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.............-...-+.-005 907 
RADICAL PREVENTION OF COSTIA NECATRIX 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 HISHES: IN) ITALY.) (By Giliseppe Besatiaiar: «orice ss sia ietara etainteye arels siete carter eee 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 NS (fio onstage a ccctens a aaeatac aishn erate eek el brah ie ater eys tore Vole aaters week taieinve e eacke teens oes n ees ' 967 
NATURALIZATION 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....................-..05- 1001 
A METHOD OF TRANSPORTING LIVE FISHES. By Charles F. Holder..............+.+-++-505- 1005 
A METHOD OF MEASURING FISH EGGS. By H.-von Bayer... 2. foc. ences stan cece ese els 1009 
AN IMPROVEMENT IN HATCHING AND REARING BOXES; WITH NOTES ON CONTINUOUS FEEDING 
OF THE ERY OF SALMONIDA. | “By GiB Ss Siniiis.s tc oj te elec ne wee recto etiam aeleie te tet state IO15 
DEVICES FOR USE IN FISH HATCHERIES AND AQUARIA. By Eugene Vincent................ 1025 
NEW METHODS OF TRANSPORTING EGGS AND FISH. By W.S. Kincaid..................... 1037 
PISH WAYS.) SBys Els VOM EA YELG nee ooh olor, ote icetee fois a Cie ere eter paiatA tesla ansral ole tants ise LoOsT 
A PLEA FOR OBSERVATION OF THE HABITS OF FISHES AND AGAINST UNDUE GENERALIZATION. By 
TheodorexGill.: "Withidisenssioni. (25.05. e's sein sede des © w oleie uate yee oiavew wie elm aimee etal 1059 
THE HABITS AND LIFE HISTORY OF THE TOADFISH (OPSANUS TAU). By E. W. Gudger.......... 1071 
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.......... I1II 
A METHOD OF OBSERVING THE HABITS AND RECORDING THE LIFE HISTORIES OF FISHES. By 
Charles By Bolder. 5). 6). 5h. eiste oohacesa, ares tye Sura carat en sone eepete neti havens ee eleven eta te il Gee eer 1137 
EFFECTS OF CHANGES IN THE DENSITY OF WATER UPON THE BLOOD OF FISHES. By George G. Scott. 1143 
INTERNAL PARASITES OF THE SEBAGO SALMON. By Henry B. Ward..................-.+-- I151 
NOTES ON THE FLESH PARASITES OF MARINE FOOD FISHES. By Edwin Linton............. 1195 
STRUCTURF 4ND FUNCTIONS OF THE EAR OF THE SQUETEAGUE. By G.H. Parker........... 1211 
AN INTEws:vE STUDY OF THE FAUNA AND FLORA OF A RESTRICTED AREA OF SEA BOTTOM. By 
Brancis Bs Siimer. src, sieve erste pei oe eos ee rset eds ad edo fete ete atta ote eet are taeda etre aloes 1225 
DEVELOPMENT OF SPONGES FROM TISSUE CELLS OUTSIDE THE BODY OF THE PARENT. By H. V 
Walsomt 500 Decoders = steele ore eee aor teers tenet SAR At a Oar TE ae eae 1265 
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 Dwight 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 ANDER» ec eilereis aeveisruiesses ie oun orens ke tole tenet ate atclartayicuseneesroteiatio’s (a Siskel suns Ripnaaieleivis ie stare ote ate I-XII 
