PLATE XXXII. 



1. Neuroplasm. Metaphase gives an idea of the size and shape of 

 chromosomes. 



2. Ectoblast. Anaphase showing loop form as they come to the poles. 



3. Ectoblast. Splitting. 



4. Ectoblast. Metaphase. 



5. Pigment showing full number of chromosomes and the difficulty 

 in measuring. 



6. Gryllus domesticus. First spermatocyte. 



7. Muscle. Metaphase. 



