PLATE VII. 



FAMILY XXI. DOLICHOPED^ (continued). 



GENUS 5. Hydrophorus (continued). Fig. 1. Hydrophorus notatus, 

 male. 1 0, furcate and dentated labrum and lingua of H. regius. 



GENUS 8. Rhaphium (continued). Fig. 2 a, head and antenna of 

 Rhaphium longicorne, male, sideways ; 2 6, antenna of R. cupreum, 

 male ; 2 c, antenna of R. macrocerum, female ; 2 d, antenna of 

 R. pallipes, male ; 2 e, antenna of ditto, female. 



GENUS 9. Machserium. Fig. 3. Macharium maritime. 3 a*, gene- 

 ral side view of the mouth without the palpi, the insertion of which 

 is denoted by a star ; 3 *, side view of labrum and tongue without 

 the palpus or labium ; 3 c*, upper parts of the mouth, from above, 

 with one palpus (labium not shown) ; 3 d* } oblique view of side 

 of labrum, showing the two lateral teeth ; 3 e*, tip of labrum 

 with membranous edge ; 3/*, the tongue seen from above ; 3^*, 

 the same, sideways ; 3 h* t antenna. 



GENUS 10. Argyra. Fig. 4. Argyra leucocephala, male. 4 a, face 

 of male ; 4 b, face of female ; 4 c, antenna of A. diaphana, male ; 

 4 d, extremity of abdomen of male ; 4 e, mouth of A. diaphana, 

 sideways, from Curtis. 



GENUS 11. Porphyrops. Fig. 5 a> antenna of Porphyrops flam- 

 ventris, male ; 5 5, extremity of body of male, sideways.' 



GENUS 12. Diaphorus. Fig. 6 a, face of Diapkorus ottscurellus, 

 male ; 6 5, antenna of ditto. 



GENUS 13. Chrysotus. Fig. 7 a, face of Chrysotus nigripes, male; 



7 t>, wing ; 7 c, antenna. 

 GENUS 14. Medeterus. Fig. 8. Medeterus diadema, female. 8 a, 



face of ditto ; 8 b, head, sideways ; 8 c, antenna ; 8 d, abdomen 



of M. truncorum, male. 



GENUS 15. Aphrosylus. Fig. 9. ApJirosylus raptor, male. 9 a, 

 head, sideways ; 9 6, antenna ; 9 c, fore leg, showing spiny tro- 

 chanter and coxa ; 9 d, extremity of abdomen of male. 



J. O. W. 



