Explanation of Plate V. 



Q. Genital armature. 



Figs. 9, 9a. Chauliognathus tripartitus, Chevr. : 9, profile ; 9a, 



ventral aspect, showing membranous 

 base of median lobe. 



10. ,, heros, Guer. : 10, dorsal aspect. 



11,11a. ,, dimidiatus, Waterh. : 11, dorsal aspect ; 



11a, profile. 



12, 12a. „ faustus, Gorh. : 12, profile; 12a, dorsal 



aspect. 



13. „ distinguendus, Waterh. : 13, dorsal 



aspect. 

 14,14a. ,, lecontei, n. sp. {= profmidus, Gorh.): 



14, dorsal aspect; 14a, profile. 



