XV111 LIST OF ILLUSTRATIONS. 



FIG. PAGB 



Bothriocephalu s 



Diagrammatic representation of the course and connections of the 



vagina, as seen in longitudinal section, . . . 371 709 

 Egg of, with imperfectly developed embryo, being expelled by 



compression, . . . . v , . .384 722 



Eggs of, with operculum, ..... 38 59 



Encapsuled larva of a, from the smelt, . . . .. 375 715 



Head of a, reared in the cat from bladder-worms from the pike 



(after Braun), ...... 380 719 



Larva of, from the skink ( x 20), . . .352 674 



Larva of, from the smelt, . . . . .221 377 



Segment of, with yolk chambers and "yellow ducts" (after Eschricht), 370 708 



Transverse section through the body of a larva of, . , 391 728 



Young, from the alimentary canal of the dog, . . . . 376 716 



Young, from the intestine of the cat, after feeding with bladder- 

 worms from the pike, ..... 379 719 



Bothriocephalus cordatus 



A number of mature joints of, . . . . . 395 737 



From man, . , . . . "" . . 350 674 



397 739 



Head of, from the side and from above ( x 8). . . . 398 739 



Four young specimens of, . . . . .401 743 



Head and anterior portion of ( x 5), . . . . 140 278 



. 394 737 



Three joints of, seen from the dorsal and from the ventral surface ( x 2), 399 739 



Transverse sections of the head of ( x 20), . . . 400 742 



Uterus of, ... .396 737 



Bothriocephalus latus ....... 137 275 



357 684 



,, ,, (cephalic end) ( x 8), . . . 226 389 



Ciliated embryo of ( x 500), 177 327 



Club-shaped head of, . . 393 734 



Development of the reproductive organs in, . . . 372 712 

 Diagrammatic representation of the course and connections of the 



vagina, as seen in longitudinal sections, . . . 367 701 



Egg of, with embryo, ...... 36 57 



Egg, showing yolk-cells and shell ( x 300), . 171 321 



Eggs of (x 300), .... .359 685 



Embryo of, escaping from its ciliated envelope, . . 388 725 



Embryo of, in the egg, ... .385 723 



Female generative organs of, from the ventral surface ( x 20), . 366 700 



369 705 

 Female sexual organs of, showing the uterus, ovary, shell-gland, 



and yolk -gland ( x 12), . . . .157 305 



Free ciliated embryos of ( x 500), . 386 723 



Free embryo of , ... 40 60 



Free-swimming embryo of, 70 110 



(x 500), . . . .351 674 



(x 600), . . . .374 715 



Free-swimming embryo of, with the protoplasmic threads, &c. 387 725 



Generative organs of (ventral aspect), . . . 141 278 



Head of (x 8), ... . 358 684 



Larva of (x 55), . 354 676 



Larva of, with protruded head, . 378 718 



Larvae of, from the pike, . . 360 686 



377 717 



