.gicf ,.x lo 



416 



KMER'iKSOE OF DRAOONFLV-LARV-E. 



8»«t .W.».M.«.-I« 



f*^ K» . 



r 



l>. This \ iiionm.s respiration is nw-essary in oi'dei^tA'Clfeot a 

 5j quick exchange of the CO, in the tracheal sys^em^i-^aTy #fi'^l 

 from the rectal water-supply. /^ V 



:\ '^^.^a^-Hftea-, for the first two days of ^rval ^x 

 respiTJ' intermittent only. 'oj / \ \/ 



i. Xlrjs ji.tthY-atesv..that, for the rest o|^lar 

 ti.\^.^i4 .mW f^r-^Xf^, and is regulafe^d/by 

 ^ Vf fhte otijer Hieans of respiration \is^ 

 -,. ^N\itme\^c\al /tracheal gilt^ar^d^^ 



,.t,.Ai.f1-Vvl\li)ei^ V" M:ero-venti;#l foKJs 



•oniiiljetit part iJ^ ^le \ 

 opi^nto^aai he ^<efin i 



sptu 



viiiBiatitm-^iiiii) rt"\o»('»AO k) noWijarlOBiT 



