PLATE I. 



FAMILY XII. STEATIOMID.E. , 



GENUS!. Beris. Fig. 1. Beris chalybeata* la, antenna; 1 5, ex- 

 tremity of tarsus ; 1 c, 8-spined scutellum. 



GENUS 2. Actina. Fig. 2 a, antenna of Actina tibialis (terminal 

 joint showing indications of being formed of three joints coalesced) ; 

 2 b, 4-spined scutellum. 



GENUS 3. Stratiomys. Fig. 3. Stratiomys chamteleon, fem. 3 a, 

 head of male ; 3 b, proboscis with its palpi ; 3 c, labrum and lingua 

 (bifid at tip) ; 3 d } antenna (\.Q -jointed). 



GENUS 4. Oxycera. Fig. 4 a } head of Oxycera ram, sideways ; 4 b, 

 antenna. 



GENUS 5. Clitellaria. Fig. 5 a } antenna (\Q -jointed) of Clitellaria 

 epJiippium. 



GENUS 6. We mot elus. Fig. 6 a, head of Nemo t 'elus uliginosus, side- 

 ways ; 6 b, antenna. 



GENUS 7. Pachygaster. Fig. 7 a, antenna of Pachygaster ater. 



GENUS 8. Chrysomyia. Fig. 8 a, head of Chrysomyia polita, male, 

 from above ; 8 b, antenna. 



GENUS 9. Sargus. Fig. 9. Sargus cuprarius, male. 9 a, head of 

 female from above ; 9 b, ditto, sideways ; 9 c, proboscis (palpus 

 detached, after Meigen) ; 9 d, antenna (^-jointed). 



FAMILY XIII. XYLOPHAGIDJS. 



GENUS 1. Xylophagus. Fig. 10. Xylopkagus ater (fem.). 10 a, 

 head, sideways, with antenna. 



GENUS 2. Subula. Fig. 11 a, head of Subula maculata, sideways, 

 with clavate palpi; 11 b, antenna (lift-jointed: 2nd joint very 

 short, llth joint very minute, 12th joint very slender). Fig. 12 a, 

 cylindrical antenna of Subula varia. 



FAMILY XIV. TABANID^. 



GENUS!. Tab anus. Fig. 13. Tabanusbovinus. 13 , head of ma' 

 sideways; 13 b, proboscis of male; 13 c, head of female, side- 

 ways ; 13 d, proboscis of female ; 13 e, antenna. 



GENUS 2. Haexnatopota. Fig. 14 a, head and antenna of Hcemato- 

 pota pluvialis. 



GENUS 3. Chrysops. Fig. 15 a, head and antenna of Chrysops 

 cdecutiens ; 15 b, antenna, more enlarged (showing it to be com- 

 posed of twelve joints, those of the flagellum being confluent) . 



FAMILY XV. ACROCEBZim 



GENUS 1. Acrocera. Fig. 16. Acrocera globulus. 16 a, head, side- 

 ways ; 16 b, antenna ; 16 c, extremity of tarsus. 



GENUS 2. Henops. Fig. 17 a, head of Henops globosus, sideways; 

 17 b, antenna. 



J. O. W. 



* The natural length of the different species figured, is represented by the longi- 

 tudinal lines drawn at the side or beneath them. 







