Plate VIII 



MISCELLANEOUS TRICHONIFORMS 



Fig. 1. Rhexidius canaliculatus (LeConte). Dorsal aspect. 



Fig. 2. Rhexidius canaliculatus (LeConte). Head, lateral aspect. 



Fig. 3. Rhexidius canalicidatus (LeConte). Head of male, note median 



frontal cusp. 

 Fig. 4. Rhexidius canaliculatus (LeConte). Head of female, cusp absent. 

 Fig. 5. Rhexidius canaliculatus (LeConte). Penis. Note structural similarity 



with penis of Dalmosella tenuis Casey, Plate XII. 

 Fig. 6. Rhexius insculptus LeConte. Sternites. 

 Fig. 7. Rhexius insculptus LeConte. Dorsal aspect. 

 Fig. 8. Rhexius insculptus LeConte. Prothoracic tarsus, 700 diameters. 

 Fig. 9. Rhexius insculptus LeConte. Maxillary palpus, 400 diameters. 

 Fig. 10. Eurhexius zonalis Park. Pronotum. From male paratypc. 

 Fig. 11. Fletcher exius macrodactylus (Fletcher). Pronotum. From paratvjie 



U.S.N.M. No. 44612. 



