376 J. T. PATTERSON. 



EXPLANATION OF PLATE III. 



FIGS. 15, 16, 19, 22-26 are from eggs (or egg) laid by an unfertilized female. 

 The specimens were taken from the body cavity of a half-grown caterpillar 15 

 days after the eggs had been deposited. The body cavity contained 4 normal and 

 4 degenerate asexual larvae, in addition to many masses of sexual embryos. Figs. 

 17, 18, 20 and 21 are from eggs (or egg) laid by a fertilized female. The specimens 

 were removed from the body cavity of a 20-mm. caterpillar, 14 days after the eggs 

 had been deposited. There were found in the body cavity of the caterpillar 6 

 free asexual larva? and 4 still enclosed in their membranes, besides many masses 

 of sexual embryos. 



FIGS. 15, 16. Two masses of sexual embryos. X 100. 



FIG. 17. Mass of sexual embryos with asexual embryo in capsule. X 100. 



FIG. 18. Asexual larvae in capsule. X 100. 



FIG. 19. Asexual larva free from capsule but still adhering to mass of sexual 

 embryos. X 88. 



FIGS. 20-22. Three asexual larvae. X 88. 



FIGS. 23-26. Four degenerating asexual larvae. X 88. 



