208 



Table 9 B. NO 389. 



Table 10. The i7ttensity of multipltcati(yn of the green clüowphyll 

 corpiiHclc^ of ihe SpongüUdae and the ioitü inerease or decrease of tlie 

 ii'lioJc nvnihcr of green eorpicscles^ lohen culiivated in sponge-thsue 

 or in water ^ in Jiglit or in darkness. 



Generally of eacli sponge a piece was cnltivated in an aquarium in light 

 and anotlier one under equal circumstances in darkness (p. 8); such 

 pieces of one sponge are indieated in the tables with the same n". 

 All tliese sponges have been mentioned already in Table 8 on account 

 of the changing of theii' colour and tiieir aniount of various chloro- 

 phyll corpiiscles. As stated there, the factors of import, (export), reduc- 



