PLATE VI. 



FAMILY XXI. DOLICHOPID^E. 



GENUS 1. Psilopus. Fig. 1. Psilopus Wiedemanni, male. 1 a, face 

 of male ; 1 b, antenna ; 1 c, extremity of fore tarsus ; 1 d, extremity 

 of abdomen of male, sideways ; 1 e, extremity of abdomen of male 

 of P. platypterus. 



GENUS 2. Sybistroma. Fig. 2 a, extremity of abdomen of male of 

 Sybistroma obscurella, from above (when longitudinally extended) ; 



2 b, ditto, sideways ; 2 c, the eight internal organs exposed on re- 

 moving the two dorsal plates and the two long clavate lateral ap- 

 pendages seen in the two preceding figures. 



GENUS 3. Dolichopus. Fig. 3. Dolichopus discifer, male. 3 a, face 

 of male ; 3 5, face of female ; 3 c, antenna; 3 d, base of wing; 



3 e, extremity of abdomen of male, sideways ; 3/, extremity of 

 fore tarsus of male ; 3 g y antenna of D. longicornis ; 3 k, antenna of 

 D. consobrinus ; 3 i, fore foot of ditto, male ; 3 #, extremity of 

 wing of D. diadem? . 



GENUS 4. Orthochile. Fig, 4 a, head of Orthochile nigro-carulea, 

 sideways. 



GENUS 5. Hydrophorus. Fig. 5. Hydrophorus balticus, male. 5 a, 

 face of male ; 5 6, antenna ; 5 c, abdomen of male, sideways ; 



5 d, extremity of tarsus, from beneath ; 5 e, antenna of H. lacus- 

 tris ; 5 /, extremity of wing of ditto. 



GENUS 6. Campsicnemus. Fig. 6. Campsicnemus scambus, male; 



6 a, face ; 6 b, antenna ; 6 c, base of middle tarsus ; 6 d, abdomen 

 of male, sideways. 



GENUS 7. Thinophilus. Fig. 7 ,face; 7 b, antenna. 

 GENUS 8. Rhaphium. Fig. 8. RJiapUum cras&ipes, male. 



J. 0. W. 



