R40 



DESCKIPTION OF PLATES. 



IMate 1. Figs. 1-11. — Cotugnia Jigunoiioia. 



Fig. 1. Head and neck. x8. 



Fig. 2. Head and neck in press preparation. Zeiss 2, A. 



Fig. 3. View of armed rostellum, enface, pTcss preparation; 



cgl., ? glandular cells of rostellum. Zeiss. 3, C. 

 Fig. 4. View of hooks on rostellum. Zeiss 2, 1-12. 

 Fig. 5. Side view of isolated hook. Zeiss 3, 1-12. 

 Fig. 6. Four young segments with genital anlagen. x8. 

 Fig. 7. Three j'oung segments: d., vas deferens; ov., ovary. 



Zeiss, 1, a3. 

 Fig. S. Segments from middle of strobila with organs more 



completely developed: d., vas deferens; t., testicles; 



tp., cirrus pouch; ov., ovary. Zeiss I, aS. 

 Fig. 9. Still older segments in which the "ovaric ca/psules" 



(^egg sacs) ai'e developing: ag., genital pore; co., 



"ovaric capsules"=:egg sacs; d., vas deferens; ov., 



ovary; p., cirrus; tp., cirrus pouch; v., vagina. Zeiss 



1, a3. 

 Fig. 10. End segments with oncosphere: ag., genital pore; co., 



eggs. 

 Fig. 11. Longitudinal section of mature segment: co., "ovaric 



capsules,,=egg sacs; em., oncosphere; ie, eggshell; g., 



eggshell; pr., parenchyma. Zeiss 2. 1-12. 

 All figures from Pasquale, 1890, figs. 1-11. 



Plate II, Figs. 12-29.— Cotugnia bifaTia and Amabilia lamelli- 



gera. 



[Figs. 12-n.* Cotugnia bifaria, after Monticelli. 1891, Taf. VIII. 

 figs. 8-13.] 



Fig. 12. Head and anterior segments, greatly enlarged. Mon- 

 ticelli, fig. 8. 



Fig. 13. Young segiments. enlarged on same scale. Monticelli, 

 fig. 9. 



Fig. 14. Middlf segments enlarged nn same scale. Monticelli, 

 fig-. 10. 



Fig. ir>. Knd segments, enlarged i>n sanv «<;il«', Monticblli, 

 fi.?. 11. 



