76 MESSRS TURNER AND WILSON ON THE CHONDRACANTHUS LOPHII. 



Fig. 9. Dissection of abdomen sliowing the connection of the cement organ h, with the investing 

 material of the ova-strings, o. The portion of the proximal segment marked m in this and 

 Fig. 8, being turned on one side ; p, longitudinal muscular bands. 



Fig. 10. Ramifying ovary, with contained ova, in one of the lateral lappets of the thorax. 



Fig. 11. F, Villus-like projection to which the male is attached. G, Enlarged view of two of the 

 epithelium-like structures. At r, Fig. 8, the projection is shown in situ. 



Fig. 12. Side view of male, to the hook organs of which a portion of the villus-liko projection is 

 still connected. 



Fig. 13. Ventral aspect of male. 



Fig. 14. Natural length of male and female without the ova-strings. 



Fig. 15. Successive stages in the development of the ova. 



Fig. 16. Anterior foot of left side of larva. The division into two terminal segments is seen, with 

 the mode of connection of the hairs to them. 



I 



