CONTENTS. IX 



APPENDIX C— NATURAL HISTORY AND BIOLOGICAL RKSEAUCH. 



Pago. 



X. D. E. Webster and James E. Benedict. The Annelida Ch^topoda kuom Puov- 

 INCETOWX AND Wkllfi.eet, Mass. By Prof. II. E. Webster andJames E. Benedict 699 



XI. U. A. Coiitance. Biological action of the salts contained in sea-watek fuom the 

 POINT of view of the .maintenance of maulne animals. By H. A. Coutance 749 



XII. John A. Ryder. The pkotozoa and protophyta considered as the pkimauy ok in- 

 direct source of tiii; food of fishes. By John A. Kydcr 755 



XIII. S. A. Forbeix. The first food of the common whitefisii {Coregonus clupeiformis, 

 Mitch.). By Prof. S. A. Forbes 771 



XIV. Frank i^. Cllark. Kepout of experiments for determining the smallest amount 



of water in which young shad and eggs can be kept. By Frank N. Clark 783 



XV. H. J. Rice. Experiments upon retarding the development of the eggs of the shad, 

 MADE IN 1«79 at the United States shad-hatching station at Havre de Grace, Md. By 



H. J. Rice, Sc. D 787 



XVI. John A. RydiT. On the retardation of the development of the shad (Aloga sapi- 

 dv<giina) with observations on the egg fungus and bacteria. By John A. Ryder 795 



APPENDIX D. PROPAGATION OF FOOD-FISHES. 



XVII. Karon de Selys Liongchauips. Repopulation of the Watek-courses IN Bel- 

 r;lUM. By Baros de Selys Lougchainp.s 815 



XVIII. Charles W. Smiley. A statistical review of the production and distribution 

 TO public waters of voung fish by the United States Fish Commission from its organlza- 

 TiON in 1(?71 to the close OF 1880. By Cha^lea AV. Smiley, Chief of the Division of Records, 

 statistics, and Publications 825 



XIX. Charles W. Mmiley. I.vdex to the distribution, made under the auspices of the 

 United States Fish Commission, of fish in new waters of the United States, during 



the decade ending 1880. By Charles W. Smiley 917 



XX. Frank IV. ClarU. Report of work at the United States Hatchery, North- 

 viLi.E, Mich., 1881-82. By Frank N. Clark 1037 



XXI. I.iivingstou Stone. The report of operations at the United States Salmon- 

 breeding Station on the McCloud River, California, during the season of 1881. By 

 Livins.ston Stone 1063 



XXII. I<iyingston Stone. Report of operations at the United States trout-ponds, 

 McCloud River, California, for the season of 1881. By Livingston Stone 1079 



XXIII. Charles O. Atkins. Report on the propagation of Penobscot salmon in 1881, 

 1882. By Charles G. Atkins 1085 



XXIV. Charles CS. Atkins. Report on the propagation of Schoodic salmon in 1881, 

 1881'. By Charles G. Atkins 1091 



XXV. Charles W. Smiley. Statistics of the shad-hatching operations conducted by 



the United States Fish Commission IN 1881. By Charles W. Smiley 1107 



XXVI inar.shall JVlcDonald. Report of distribution of carp by the United States 



Fish Commission DURING THE SEASON OF 188]-'82. By Marshall McDonald .. 1121 



XXVII. ITlarshall iTIcDoiiald. Experimental investigation hpon cod hatching at 

 Wood's Hoi. I., Mass., Di KiN(i THE vviNTFK OF 18!-0-'81. By Mai shal McDonald. 1127 



XXVIII. ITlarshall ilIcDouald. Spanish .mackerel investigations at Cherrystone, Va., 

 DUiUNG TDK SI MMKR OF ItiXl. Bv Maishal McDonald 1131 



