8S 88 EAUl-IIWOKMS, LEECHES, AND SEAWORMS 



CLASSIFICATION OF THE EXAMPLES 



Branch VIII — Annulata. 

 Class — Ch;nt-opo(la. 

 Type (if the Class. 



Lnnihririis nijricola — Earthworm. 

 Class — Ilirudinea.. 

 Types (jl' tlic Clnss. 



Hiniilii iniiiii-inalis — Medicinal leech. 

 Haniojiis vorax — Hoi'se-loeoh. 

 Mucrobdclla decora — American leech. 



