EXPLANATION OF PLATE LXVIII. 



RIPEBSIA TOMLINII. (Page 186.) 



Fig. 1. Ovisacs of the female, natural size. 



Figs. 2, 2 a. Antennae of adult female. X 250. 



Fig. 3. Mentum of adult female. X 250. 



Fig. 4. Tarsus of adult female. X 250. 



Fig. 5. Abdominal lobe and anal orifice of adult 



female. X 250. 



Fig. 6. Spiracle of adult female. X 250. 

 Fig. 7. Dermis, at cephalic margin, of adult female. 



X 250. 



Fig. 8. Larva (ventral). X 80. 

 Fig. 9. Anal extremity of larva, x 250. 

 Fig. 10. Antenna of the larva. X 250. 



RlPEESIA SUBTEBEANEA. (Page 189.) 



Figs. 11, 11 a. Antennae of adult female. X 250. 

 Fig. 12. Mentum of adult female. X 250, 

 Fig. 13. Tarsus of adult female. X 250. 

 Fig. 14. Anal orifice and lobe of the adult female. 



X 250. 

 Fig. 15. Marginal hairs, on dorsum between 



antennae, of adult female. X 250. 

 Fig. 16. Spiracle of adult female. X 250. 

 Fig. 17. White secretion of the adult females on 



roots of grass from ant's nest. Natural size. 



