PHYSIOLOGY OF THE INVERTEBRATA. 



•79 



Oxygen . 

 Carbonic anh} dridu 



Nitrogen 



{(l) Blond of Hoinnrua vvlgiwis. 



A liuudred volumes of the blood obtained from several 

 large lobsters yielded the following results : — 



(c) Bluod of Octopus vulgaris. 



A hundred volumes of the blood yielded the following 

 results : — 



Oxygen . 

 Carbonic anhydride 



Nitrogen 



(/) Blood of Achcroiitia (dropos. 



A hundred volumes of the blood of the larvte of this moth 

 yielded the following results : — 



