MARY J. ROSS. 



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FIGS. 12-17 represent a series through a gland, showing the union of the duct and 

 the fundus. This is taken from the central region of the stomach of a larva Desmog- 

 nat/ius at the time of hatching. Glands in all stages of development, from the one- 

 celled anlage up to a completely formed gland, are shown thoughout the sections. 

 Fixed in Gilson's. Obj. -J^, Oc. I. 



FIG. 12. aj, transection showing merely the outside cells of the gland. 



FIG. 13. <7 2 , transection showing lumen of the gland, /. 



