CONTENTS 



Page. 



The msTOLOGicAi, basis op adaptive shades and colors in the flounder Paralichthys 



ALBIGUTTUS. By Albert Kuntz. (Document 842, issued May 28, 1917) 1-30 



The fishes of the Lahontan system of Nevada and northeastern California. By John 



Otterbein Snyder. (Document 843, issued September 28, 1917) 31-86 



Notes on the embryology and larval development op twelve teleostean fishes. By 



Albert Kuntz and Lewis Radcliffe. (Document 849, issued September 12, 1917) 87-134 



The occurrence in Virginia op green-gilled oysters similar to those of Marennes. By 



Philip H. Mitchell and Raymond L. Barney. (Document 850, issued August 11, 1917). . . 135-150 

 Nutrition of oysters: Glycogen formation and storage. By Philip H.Mitchell. (Docu- 

 ment 851, issued April 11, 191 7) 151-162 



The economic relations, anatomy, and life history of the genus Lern^a. By Charles 



Branch Wilson. (Document 854, issued December 22, 1917) 163-198 



The Myxosporima of the Beaufort region, a systematic and biologic study. ByH. S. 



Davis. (Document 855, issued December 17, 1917) 199-244 



The food of the shore pishes of certain Wisconsin Lakes. By A. S. Pearse. (Document 



856, issued January 9, 1918) 245-292 



The fishes op Kentucky and Tennessee: A distributional catalogue of the known 



species. By Barton Warren Evermann. (Document 858, issued January 10, 1918) 293-368 



The decapod crustaceans op Beaufort, N. C, and the surrounding region. By W. P. 



Hay and C. A. Shore. (Document 859, issued April 6, 1918) 369-476 



Nutrition OF OYSTERS : The nature of the so-called "fattening" of oysters. By Philip 



H. Mitchell. (Document 860, issued March 13, 1918) 477-484 



The Rangeley Lakes, Maine; with special reference to the habits op the fishes, fish 



culture, and angling. By William Converse Kendall. (Document 86r, issued May 25, 



1918) 485-594 



Index 595-604 



in 



