ILLUSTRATIONS 



[Drawings by J. Castro.] 

 TEXT FIGURES 



Fig. 1. Dipylidium caninum. a and b, natural size of worm; c and d, 

 natural size of segments; e, the worm enlarged X 5. 



2. Head and anterior segments of Dipylidiuvi caninum. (Zeiss No. 4 



objective and J occular.) 



3. Posterior segments of Dipylidium caninum. u, uterus; t, testicles; 



vd, vas deferens; cp, cirrus pouch; c, cirrus; v, vagina; ov, ovary, 

 rs, receptaculum seminis; vg, vitelline gland. (Zeiss No. 4 ob- 

 jective and i occular.) 



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