PLATE IX. 



FAMILY XXV. SYEPHID^E. 



GENUS 1. Ceria. Fig. 1 a, head of Ceria conopsoides, seen sideways ; 

 1 b t extremity of wing of ditto. 



GENUS 2. Callicera. Fig. 2. Callicera anea. 2 a, antenna. 



GENUS 3. Micro don. Fig. 3 #, antenna of Microdon apiformis ; 



3 b, wing of ditto. 



GENUS 4. Eumerus. Fig. 4 a, head of Eumerus strigatm, sideways ; 



4 b, wing of ditto. 



GENUS 5. Eristalis. Fig. 5 a, head of Eristalis tenax, male, from 

 above ; 5 b, head of female, sideways ; 5 c, wing of ditto. 



GENUS 6. Helophilus. Fig. 6 a, head of HelopJiilus pendulus, 

 male, from above ; 6 b, ditto, sideways ; 6 c, extremity of wing. 



GENUS 7. Merodon. Fig. 7 a, head of Merodon clavipes, side- 

 ways ; 7 b, hind leg of male of ditto. 



GENUS 8. Tropidia. Fig. 8 a, head of Tropidia milesiformis, male ; 

 8 b t extremity of wing of ditto. 



GENUS 9. Syritta. Fig. 9. Syritta pipiens, male. 9 a, head, side- 

 ways. 



GENUS 10. Xylota. Fig. 10 a, head of Xylota sylvarum, male; 

 10 b, antenna; 10 c, extremity of wing; 10 d, base of hind leg, 

 showing small spine on the coxa. 



GENUS 11. Milesia. Fig. 11 , head of Mile&ia speciosa, sideways ; 

 115, extremity of wing ; 11 c, base of hind leg. 



GENUS 12. Criorhina. Fig. 12. Oriorhina oxyacanthce. 12 a, head, 

 sideways. 



GENUS 13. Volucella. Fig. 13 , head of Folucella bombylans, 

 sideways; 13 b y antenna; 13 c, extremity of wing. 



GENUS 14. Sericomyia. Fig. 14. Sericomyia borealis. 14 a, head 

 of ditto, sideways ; 14 b, claw joint of tarsus. 



GENUS 20. Orthoneura. Fig. 15. Orthoneura nobilis. 



J. 0. W. 



