270 C. T. BRUES, A contribution to our knowledge of Stylopidae. 
Fig. 23. Tangential section through the polar cap of an egg in 
the same stage as Fig. 2, showing the symmetrical arrangement of the 
cells with the small ball of yolk in the center. 
Fig. 24. Female larva just before protruding the head from the 
abdomen of the host. Dorsal view. 
Fig. 25. Same larva seen from the side. 
Fig. 26. A small portion of the wall of the intestine of a larva 
about as large as the one in Fig. 22, showing the variable size of its 
cells, and their extreme tenuity at certain places. 
Fig. 27. A small larva seen from the side showing the unpaired 
ventral ambulatorial protuberances. 
