86 THE EMBRYOLOGY OF THE HONEY BEE 



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Fig. 23- Side views of four embryos, drawn in diagrammatic form, show- 

 ing four stages in the development of the amnion. Outlines drawn with a 

 camera lucida from living eggs. The amnion (iAm, 2Am) is stippled, 

 with dotted outline, except when it adheres to the embryo or yolk. In B, 

 C and D the amnion is represented for the sake of clearness, as standing 

 off from the embrvo further than is actually the case. A corresponds 

 to Stage VI, B to Stage VII, C to Stage VII-VIII, D to Stage VIII-IX, 

 x 41. 



