648 



FAMILY XXV. — CRYPTOSTEMMATID.E. 



costal margin with a slight break near middle, the venation 

 as in fig. 1 ; tibiae beset with numerous bristles. Genital plate 

 of male with two or three pairs of claspers (figs. 4 and 5) ; 

 apical dorsal segment of female covering apex of abdomen, 

 apical ventral segment occupying nearly half of abdomen, the 



Plate VII. Structures of Ckyptostemmatih.e. 

 Figs. 1 and 3, Elytron and hind wing of Ceratocombus oagans; fig. 2. head of 

 same from above; figs. 4 and .">. ;ipex of male abdomen of same from below and above. 

 Fig. 6, head and prothorax of Schizoptera from side. Fig. 7, side view of pro- meso- 

 and metapleurum of Schizoptera showing metapleural spine. Fig. S, head, pronotum 

 and scutellum of Schizoptera bispinaj fig. 9, elyt.ron of same; fig. 10, metapleurum 

 of same; fig. 11, fifth ventral of male of same, showing processes on side. Fig. 12, 

 head and prothorax of Corixidea major from side: tig. 13, elytron of same. Figs. 14 

 and 15, head of Nannocoris from above and below; lig. 16, elytron of same: fig. 17. 

 scutellum of same. Fig. 18, dorsal view of Olyptocombus saltatorj fig. 19, side view 

 of same, the left elytron removed; fig. 20, elytron of same. 



(After McAtee & Malloch, Proc. U. S. Xat. Mus., Vol. 67, Art. 13). 



