230 



ORGANISMS FOUND IN 



place if the organism broke up into its components, a flagellum 

 at either side alternately, I am inclined to suppose a flagellum 

 can be formed at one end of the original comma, though I do 

 not state it positively, because flagella can often be seen lying 

 about broken off", and then, of course, such a feature may be 

 accidental. One of these colonies is shown in the photograph. 

 Fig. 60, and if carefully examined some of the points indicated 

 can be readily seen. 



On resuming the examination the next day, the free commas 

 or joints were found to be far more numerous than on the day 



Fi^. 61.— Free commas, in greater abundance, after the formation of the 



colonies, x 520. 



prior to the appearance of the abundant colonies, but very few 

 of them had divided. Nearly all were now mobile. In a few of 

 them could be seen the oval or round bodies, apparently attached 

 or lying close against one end of the joint. Three of the small 

 bodies can be seen free, placed almost in a line towards the centre 

 of the field in the photograph. Fig. 61, where also the other point 

 stated is indicated. Part of the field is somewhat out of focus, 

 which was due to the preparation being tilted by some dirt out 



