CONTENTS. Vll 



ARTICLE V. 



LIST OF THE DESCRIBED SPECIES OF FEESII-WATER 



CRUSTACEA FROM xYMERICA, NORTH OF MEXICO. 



By Lucien M. Underwood 323 



Introductory 323 



Table of Distribution of Species as known at the present time. . 325 

 List of the Species 328 



Order Copepoda, 328.— Order Ostracoda, 336.— Order Cladocera, 

 338.— Order Fhyllopoda, 350.— Order Amphipoda, 356.— 

 Order Isopoda, 358.— Order Decapoda, 364. 



Bibliography 375 



Index of Genera 385 



ARTICLE VL 



PARASITIC FUNGI OF ILLINOIS. PART II. By T. J. Bur- 

 rill AND F. S. Earle 387 



Erysiphe^ 387 



Illustrations of the Genera 395 



Key to the Genera 397 



Index to Host Plants 429 



Systematic Index 431 



ARTICLE VII. 



STUDIES OF THE FOOD OF FRESH-WATER FISHES. By 



S. A. Forbes 433 



Family Gadid^, 433.— Family Esocid.e, 434.— Family Salmon- 

 ID.E, 436— Family DorosOxMATId.e, 437.— Family Clu- 

 PEiD.E, 439.— Family Hyodontid.e, 440.— Family Catos- 

 tomatid.e, 440.— Family Silurid^e, 455.— Family Ami- 

 ID.E, 463.— Family Lepidosteidje, 464.— Family Poly- 

 odontid.e, 464. 



Food of Smaller Families. Table 468 



Food of Catostomatid.e. Table 470 



Food of Silurid^. Table 472 



