190 



OVARY AND PAROVARIUM, BY W. WALDEYER. 



mass of protoplasm ; further downwards we see some of these 

 attached to the walls of the tube as epithelial cells, whilst 



Fig. 195. 



Fig. 195. Ovarian tube of the Vanessa urticse 

 (semi-diagrammatic) ; a large portion of the fol- 

 licle has been removed, in order that the various 

 stages of development of the ova may be ex- 

 hibited in a single figure, a, Csecal tubular 

 termination of the ovary, containing at a 1 ger- 

 minal vesicles distributed through a diffused 

 mass of protoplasm, and at a 2 completely deve- 

 loped cells ; 6 6, ovarian follicles ; c c, yolk-form- 

 ing cells, which are undergoing disintegration 

 at c 1 ; c 2 , granular mass formed of the disinte- 

 grated yolk cells ; d d, ova ; e, point where the 

 micropyle subsequently appears ; /, external 

 wall of the ovarian tube, composed of connective 

 tissue ; g, process of the latter, connecting it 

 with the dorsal vessels. Magnified about 100 

 diameters. 



others of exactly the same size and structure occupy the lumen 

 of the tube, as at a 2 in the figure. Still lower down, some, both 



