BY E. J. GODDARD. 793 



Fig.7. — Longitudinal vertical section through the genital region of A. fusi- 

 formis. 

 Fig. 8. — Transverse section through spermiducal gland of A. notabilis. 

 Fig. 9. —Entire individual of A. fusiformis. 



Plate xxx. 

 Fig. 10. — Spermiduct, spermiducal gland, etc., of A. fusiformis reconstructed 



from serial sections. 

 Fig. 11. — Spermatheca of A. fusiformis, containing spermatophores. 

 Fig. 12. — Horizontal section through anterior extremity of an individual of 



A. notabilis. 

 Fig. 13. — Mass of developing ova of A. notabilis. 

 Fig. 14. — Cells of the epithelium of spermatheca of A. notabilis showing 



their granular nature. 

 Fig. 15.— Blood-vascular system of A. notabilis, reconstructed in part from 



serial sections, in part from entire specimens mounted in Canada 



balsam. 



Plate xxxi. 

 Figs. 16, 17. — Longitudinal sections through the genital segments of A. 



notabilis. 



