SECRETION IN THE AMITOTIC CELLS OF THE 

 CRICKET EGG FOLLICLE. 



MARGARET R. MTRRAY. 



CONTENTS. 



I. Introduction 210 



II. Material 211 



III. Method 212 



IV. Observations 213 



A. Cell division 213 



1. Tissue cultures 214 



2. Cell counts 217 



B. Metaplasmic inclusions of follicle cell and egg. . . ... 218 



1. Distal droplets 218 



a. Form and position . 218 



b. Color reactions 219 



c. Behavior 219 



d. Constitution 220 



e. Function 220 



2. Mitochondria 221 



a. Form and position 221 



b. Color reactions 222 



c. Relationship with yolk 



d. Relationship with nucleus 



3. Yolk globules 222 



a. Orientation 222 



b. Large globules 223 



c. Intermediate globules 223 



V. Discussion 224 



A . Significance of nuclear constriction 224 



B. Relationship of mitochondria with yolk 225 



VI. Summary 226 



I. INTRODUCTION. 



The investigation of the cricket follicle-cell was undertaken 

 primarily with the aim of observing its method of division 

 (described by E. G. Conklin in 1903 as a type of the amitosis 

 of senescence). Interpretation of the nuclear phenomena was, 

 however, so greatly modified by study of the cytoplasmic phe- 

 nomena paralleling them, that the nuclear division came to be 

 considered rather as incidental to the other activities of the cell 

 than as a manifestation important in itself. For the large 



amount of yolky substance with which the cytosome of the 



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