LIST OF ILLUSTEATIONS. 



Longitudinal section of a young, consisting almost entirely of 

 head and neck ( x 60), ..... 



Rudimentary heads of, at the beginning and at the end of the 

 protrusion of the head ( x 20), . . . 200 an 



Twenty hoiu-s old, with incipient segmentation ( x 10), . 



Young bladder-worms of, with rudiment of head ( x 12), 

 Tcenia seligera. Two proglottides of, from the goose, after Feuereisen, 

 Tcenia solium — 



Apex and hooks of, . . . 



Apical .surface and circle of hooks in ( x 80), 



Cephalic end of, . 



Cross section of, showing middle and cortical layers under low 



power, ..... 



Cysticerous of, from the pig, 

 Egg of, with shell and yolk-membrane ( x 400), . 

 Eggs of, with and without primitive vitelline membrane ( x 450), 

 Embryo containing egg (without yolk-membrane) ( x 400), 

 Generative organs of, 

 Half -ripe and ripe joint, . 

 Half-ripe joint of ( X 2), . 

 Head of ( x 35), . 



Head of, from the intestine of a rabbit ( x 25), 



Head of, from the intestine of a rabbit, in dififerent stages of 



motion ( x 25), ..... 



Larger (anterior) and smaller (posterior) hooks of ( x 280), 

 Proglottides of, with slightly branched uterus ( x 2), 

 Reproductive organs of ( x 10), .... 

 Two joints of, with branched uterus ( x 2), 

 Two proglottides of, with uterus ( x 2), . 

 Two segments of, mth branched uterus ( x SJ), . 

 Tamia torulosa — 



Young form of, in Cyclops serrulatus, after Gruber ( x 25), 



)) j> J) 



Tcenia uncinata, Generative organs of, after Stieda ( x 25), 

 Tcenia undulata, Kostellum of, after Nitsche ( x 100), . 

 Tape-worm — 



Egg of, from a bird, Tcenia nymphcea, 



Eggs of, with six-hooked embryo, 



Piece of a mummified, ..... 

 Tenebrio mditor, Encapsuled tape-worm embryo, and the resulting cysti 



worm from, after Stein ( x 100), . 

 Tetrarhynchus — 



Cysticercoid, from a Mediterranean percoid ( x 20), 



Longitudinal section of a still imperfectly developed ( x 25), 



Longitudinal section of an isolated head of ( x 10), 

 Tetrarhynchus sepice ( x 12), . 



(Isolated head) ( x 12), ..... 

 Thetis, Blood-corpuscles of, partly with enclosed granules of pigment, 



after HfEckei, . Digitized by Microsoft® ■ 



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