Nomenclature 



oes 



'C 5-1 



/?^t 



\- --S£ 



•^O^ 



Fig. 39. — Bisected larva. 6r, brain, s.g, salivary gland. 

 055, oesophagus, flw, dorsal vessel, o.rf.i', outlet of ditto. s<, 

 stomach, m.t^ Malpighian tubule, s.i, small intestine. L?', 

 large intestine. 7(t, heart, i a.g^ first abdominal ganglion. 

 Cffl, cardiac chamber of stomach, pm, peritrophic membrane. 

 «.C, nerve-cord. sx.g. se.xual gland. 7ifr, hoolis of anal feet. 

 tq, terminal ganglion of nerve-coixl. vjr, ventral blood- 



gills. 



E 2 



Fig. 40. — Alimentary canal of 

 larva, tes, oesophagus. s(/, sali- 

 vary gland, crt, cardiac chamber 

 of stomach. *<, stomach, mi, 

 Malpighian tubules. c7(, di- 

 lated chamber at beginning of 

 intestine. 9i, small intestine, 

 col. colon. 



