402 T. B. ROSSETER ON HYMENOLEPIS ACICULA SINUATA. 



Fig. 10. Male organs: T. testes, v.d. vas deferens, v.s. vesicula 



seminalis, e.d. efferent duct, c.g. canaliculus genitalis, 



x 400. 

 ,, 11. Female organs: ov. ovaries, y.g. yelk gland, s.g. shell 



gland, n.s. receptaculum seminis, v.c. vaginal canal, 



vg. vagina, v. vestibule, x 260. 

 ,, 12. Egg or six-hooked brood, x 260. 

 ,, 13. ,, „ ,, of T. anatina, after Krabbe, 



x 240. 

 ,, 14. Single hook from scolex, X 260. The proportion of a-b 



to a-c is 23 to 67. 

 ,, 15. Male and female genital organs in situ — diagrammatic. 

 ,, 16. This figure shows how fructification takes place as seen 



with a yg-inch immersion objective — diagrammatic. 

 ,, 17. Crinkled hair-pin. 



Joum. Quekett Microscopical Club, Her. 2, Vol. X., No. (34, April 1909. 



