PLATE TV. 



FIO. 



1. NOTAMIA BURSARIA, j). 100. 



2.  , front of the zoarium. 



3. , dorsal surface. 



4. , nat. size. 



5. , avicularia, showing the differences of 



size. 



5«. , avicularium^ showing the arrangement 



of the muscles for opening and closing the man- 

 dible. After Busk. 



C, 7. BiiETTiA PELLuciDA, p. 28. After Busk. 



8_, 9. Beania mikabilis^ p. 96. 



10. , a young cell. 



