468 



REPORTS OX THE STATE OF SCIENCE. 



the former results stand confirmed and some new points established, 

 so that we may sum up our present knowledge as follows : The 



O 2 



Hours. 



6 10 IZ 14 



16 



FiQ. 4. — Temperature curve T T T of Ariini macula turn. The vertical bars indicate 

 COj production in cubic centimetres per minute. 



active spadices of A. ilalicwm,A. crinoides, A. crinitum, and D. vulgaris 

 secrete a proteolytic enzyme or enzymes readily extracted in water, 



