THE BEGINNINGS OF LIFE. 



53* 



FIG. 95. 

 Development of Nematoids from Spores of Vaucheria. ( x 400.) 



a. Half-decolourized spore with portion of tube attached some of 



chlorophyll corpuscles colourless, and others still green. 



b. Similar body, wholly decolourized and swollen, resolved into a mass 



containing fatty-looking particles and globules. 



c. Similar body in which animalized mass has become finely granular 



and somewhat smaller. (This and last surrounded by adherent 

 granular debris.) 



d. Showing early stage of segmentation of embryonic mass. 



e. The mass subsequently becomes resolved into a worm-like embryo, 



which soon exhibits its first very slow movements. 

 /. Form assumed by the active embryo (Diplogaster) just before it 



ruptures its cyst. 



g. Egg subsequently laid (after about a month) by the adult worm. 

 M HI 1 



