UNIVERSITY OF CALIFORNIA PUBLICATIONS 



IN 



ZOOLOGY 



Vol. 19, No. 13, pp. 403-470, plates 29-33, 2 text figures October 23, 1920 



DEMONSTRATION OF THE FUNCTION OF 



THE NEUROMOTOR APPARATUS IN 



EUPLOTES BY THE METHOD 



OF MICRODISSECTION 



BY 



CHARLES V. TAYLOR \*k*. 



CONTENTS 



PAGE 



Introduction 404 



Acknowledgments 412 



Method and material 413 



Moist chambers 413 



Binocular microscope 414 



Glass needles 414 



Control ... 41 (i 



Staining : 4 1 7 



Material 417 



The living organism 41 8 



Endoplasm / 419 



Ectoplasm 420 



Macronucleus 421 



Micronucleus 422 



Contractile vacuole 422 



Anal aperture 423 



Cirri 423 



Membranelles 426 



Neuromotor apparatus 427 



Movements 428 



Experimental 431 



Pellicle 431 



Fibrillar system 432 



Transections 435 



Excisions 439 



Incisions 441 



Discussion 444 



Summary 456 



Literature cited _ .' 458 



Explanation of plates 462 



