l6o PALMER : DIATOM LOCOMOTION. 



push. In this sense the gallerte does certainly contribute to 

 diatom motion ; and so one comes at last to see how the facts 

 of Lauterborn, as distinguished from his deductions, may fit 

 perfectly into a view of the mechanism of diatom motion 

 which will reconcile all the phenomena — even such as have 

 to do with the capacity to crawl upon an overhead surface. 



