PLATE 2 



EXPLANATION OF FIGURES • 



Neuronia postica, Walker 



6 A cross section of a normal silk-gland of a young larva. X 250. 



7 An enlarged portion of a cell shown in figure 6. X 1200. 



8 A portion of a cross section of an active silk-gland of a full grown larva. 

 X 250. 



9 An enlarged portion of a cell shown in figure 8. X 1200. 



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