The cellular eleraeuts of the Ovary of Platyphylax designatus Walk. 237 



Fig. 45. A nurse-cell frora the nearest Chamber, x 850. 



Fig. 46. A Chamber from another tubule of ovary F; this is about the 

 same age as Chamber 2 of figiire 41. x 500. 



Fig. 47. Oücyte and one nurse-cell from a Chamber, same ovary, cor- 

 responding in age to chamber 3 of figure 41. Only part of the oöcyte is shown. 

 X 850. 



Fig. 48. A nurse-cell nucleus from the oldest Chamber, number 5, of 

 figure 41. X 850. 



Fig. 49. Nucleus from the oldest oöcyte of ovary F. x 850. 



Fig. 50. Two epithelial cells from those snrrounding the oldest oöcyte 

 of the same ovary. x 850. 



Fig. 51. Ovary Gr. Longitudinal section of a tubule from the ovary of 

 an old pupa. x 100. 



Fig. 52. Terminal filaraent and first three Chambers of the same tubule. 

 X 400. 



Fig. 53. Two cells from position bc, in figure 52. x 1600. 

 Fig. 54. Cell from position b, in figure 52. 



Fig. 55. Oöcyte nucleus from first Chamber of ovary G. x 1600. 

 Fig. 56. Same from the fitth chamber. x 850. 



Zeitsclirift f. wisseuscli. Zoologie. LXXXVI. Bd. 



16 



