200 ANNUL AT A. 



Fig. 125.— First Dissection of Fig. 126.— Second Dissection 

 THE Earthworm. {Adnat.) the Earthworm. (Adnat. 



Pharyngeal 



Muscles. 



Pharynx. 



Lateral Hearts. 



(Esophageal 



Glands. 



Dorsal Blood- 

 vessel 



ccr:\. 



Brain. 



Crop. 



^ Ovary. 



— Vas Deferer 



*~^Oviduct. 



Gizzard.. 



The body is cut open along the dorsal line The alimentary canal is cut through ar 



and the body-walls pinned down. removed, exposing nervous, excretory 



genital organs 



