PHYLUM ARTHROPODA 



247 



of digestion are carried on in an elongated chamber with 

 glandular walls, the chyle stomach, which may be divided 





j S ^ 



a-; 





o o 



n. -3 n 3 C 



-fi £ 



. s -a g •. 1 



W E w * M « ^ 



5 wro-~ u ,E --j= 



° 4> C •£ 4J fr ., »l" 



Mill » « £1 +j M"« 



« w J= ^ ^ c -^ 



«-| bs-*..-c^s 



- .Ts-i g ars 8? 



=■ g 5 g,| 8 g.g ; 

 - j>.Ea a «,§ g£ 

 Es g.Sds •- . ° 



S c . ..J< «< 5 

 £ „ H « an ^ ~ g, 



^ g .-_g-E ><S £~ 



.A « 5a<"« „S 



S - ^ £ 8 » 5 — S » 

 httjuaeg.ts-M 



(/)=« c 2 S-a-S E - 



1-3 5; 



'a-S: 





~*T> ■= £ 1 ca u rt 







sssgg 



into several parts. Sometimes there is intercalated between 

 the crop and chyle stomach a muscular chamber frequently 

 containing chitinous teeth, the gizzard (giz), or proventricu- 



