302 



INEZ WHIFFLE WILDER. 



SC 



n 



cap 



b 





FIG. 15. Sections through larval acinous glands; (a) vertical section, i. e., 

 at right angles to the external surface, through the middle of a gland of the supra- 

 branchial group of a recently hatched terrestrial larva; (b) cross section, i. e., 

 parallel with the external surface, through the middle of one of the mid-dorsal 



