PLATE XIL 



no. 



1. BuGULA PLUMOSA,, p. 84; nat. size. 

 2-4. . 



5. ^ avicularia. 



6, 7. BuGULA GRACILIS, var. UNCiNATA, p. 86 ; prehensile 

 appendages. Sec Plate XV. 



8. BuGULA PURPUROTiNCTA, p. 89 ; nat. size. 



^} 10. ^ zocecia. 



11- ;, dorsal surface. 



12. , oeecium. 



