AUTHOR 3 ABSTRACT OF THIS PAPER ISSUED 

 BT THE BIBLIOGRAPHIC SERVICE, JULY 17 



CELL METABOLLSM IN THE INSECT FAT-BODY 



I. CYTOLOGICAL CH.\NGES ACCOMPANYING GROWTH AND HISTOLYSIS 

 OF THE FAT-BODY OF APIS MELLIFICA 



GEORGE H. BISHOP 

 Zoological Laboratories of the University of Wisconsin 



SIX TEXT FIGURES AND THREE PLATES (tHIRTY-SIX FIGURES) 



CONTENTS 



Introductory 568 



The role of the fat -body in larval metabolism 569 



1. Larval development 569 



2. Histology of the fat-body 570 



Histogenesis 570 



Differentiation 571 



Anatomy and function 57T 



3. Relation to larval activity 573 



4. Nutrition and metamorphosis 573 



Development and transformations in structure of the fat-body cell of the bee 



larva 574 



1. Historical 574 



a. Metamorphosis to imaginal fat-body 574 



h. Destruction of larval fat-body; autolysis and phagocytosis 574 



c. Metabolism in the larval fat-body 575 



2. Anatomical data. Structural changes accompanying cell metabolism 



in the fat-body of the bee larva 577 



a. Material 577 



b. Technique 578 



c. Microscopic anatomy 579 



Stages of development 580 



The nuclear membrane 586 



d. Variations from type 589 



Queen and worker cells 590 



Queen and drone cells 592 



Variations in body regions 592 



3. The metabolic significance of changes in structure 593 



567 



