ALIMENTARY CANAL 



85 



Uen. 



--'Cr 



-pint. 



reef 



- -dint. 



Fig. 12. The alimentary canal as it is seen on dissection from the dorsal side. 

 The malphigian tubes have been omitted, and also the distal portion of the 

 lingual salivary gland [sl.g.) of the right side. The duct of the crop {Cr.) is 

 shown by the dotted line beneath the proventriculus {Pv.) and ventriculus 

 {Ven.). 



p.int. Proximal intestine, d.int. Distal intestine, red. Rectum. 



3—2 



