XVII 



Oct. 7-Dec. 30, 1918 Illustrations 



Fig. 40. Galesus silvestrii: Fruit-fly puparium showing characteristic emergence ^^^ 



hole made by adult parasite 460 



41. Pachycrepoideus dubius: Fruit-fiy puparium showing characteristic 



emergence hole made by adult parasite 462 



Observations and Experiments on Intestinal Trichinae 



Fig. I. Skeleton outlines of two dwarfed trichinae after the first molt outside 

 of the host and of two unmolted larvae from the same host about 18 



hours after artificial infection 476 



3. Trichina spiralis: Outline drawing of a dwarf larva after the first molt 



outside of the host 477 



Bacteriological Studies on Alfalfa Silage 



Fig. I. Graphs showing protein-sparing effect of carbohydrate in alfalfa-silage 



fermentation, first series 588 



2. Graphs showing protein-sparing effect of carbohydrate in alfalfa-silage 



fermentation, second series 589 



3. Graphs showing protein-sparing effect of carbohydrate in alfalfa-silage 



fermentation, third series 589 



Brown Canker of Roses, Caused by Diaporthe umbrina 



Fig. I. Diaporthe umbrina: a. Vertical section of a pycnidium in nature, X 80; 



simple and branched sporophores; c, pycnospores, X 360 597 



2. Diaporthe umbrina: a, Vertical section of perithecia in nature, X 80; 



b, an ascus; c, ascospores; d, germinating ascospores, X 420 597 



3. Diaporthe umbrina: Tangential section showing relative arrangement 



of pycnidium and perithecia in nature, a pycnidium surrounded by 

 five perithecia; a, proliferous stratum extending upward from base 

 of pycnidium 597 



A Multiple-Pipette Holder for the Distribution of Serum for the 

 Complement-Fixation Test 



Fig. I. General view of device and pipettes 616 



2. Holder connected with serum bottles in standard tray 616 



3. Test tubes in rack 617 



Parasitism, Morphology, and Cytology of Cronartium bibicola 



Fig. I. Diagram representing the life circle of Cronartium ribicola. 

 88097°— 20 3 



