PLATE I. 



Family XII. STRATIOMID^. 



Genus 1. Beris. Fig. 1. Beris chalybeata.* 1«, antenna; 15, ex- 

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



Genus 2. Actina. Fig. 2 a, antenna of Act'ma tibialis (terminal 

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

 2 b, 4-spined scutelium. 



Genus 3. Stratiomys. Fig. 3. Stratiomys chavicEleon, fern. 3 a, 

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

 (bifid at tip) ; 3 d, antenna (I0-Joi}ded). 



Genus 4. Oxycera. Fig. 4 a, head of Oxycera rara, sideways ; 4 b, 

 antenna. 



Genus 5. Clitellaria. Fig. 5 a, antenna {\^-joiided) of CliteUaria 

 epldppium. 



Genus 6. BTemotelus. Fig. 6 «, head of Nemotdus uliyinosus, side- 

 ways ; 6 b, antenna. 



Genus 7. Pachygaster. Fig. 7 a, antenna of Pachyyasier ater. 



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

 from above ; 8 b, antenna. 



Genus 9. Sargus. Fig. 9. Saryus ci^prarius, 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. XYLOPHAGIDJC. 



Genus 1. Xylophagus. Fig. 10. Xyhplmym ater (fem.). 10 a, 



head, sideways, with antenna. 

 Genus 2. Subula. Fig. 11 a, head of Subida maculata, sideways, 



with clavate palpi; \\ b, antenna (l2-Jointed : 2nd joint ve^y 



short, 11th joint very minute, 12th joint very slender). Fig. 12 «, 



cylindrical antenna of Subida varia. 



Family XIV. TABANIDiE. 



Genus 1. Tabanus. Fig. 13. Tahanusbovinm. 13 0, head of male, 

 sideways; 13 5, proboscis of male; 13 c, head of female, side- 

 ways ; 13 «', proboscis of female ; 13 e, antenna. 



Genus 2. Hsematopota. Fig. 14 a, head and antenna of Hmnato- 

 pota pliwialis. 



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

 cdBcutiens; 15 i, antenna, more enlarged (showing it to be com- 

 posed 0^ twelve joints, those of the fiagellum being confluent). 



Family XV. ACEOCERID/E. 



Genus 1. Acrocera. Fig. 16. Acrocera ylohdus. 16 a, head, side- 

 ways ; 16 5, antenna ; 16 e, extremity of tarsus. 



Genus 2. Henops. Fig. 17 «, head of Hemps yhbosus, sideways; 

 17 5, antenna. 



J, O. W. 



* The natural Iciigtli of the diifcrcut species figured, is rcprcseuleil by the lougi- 

 ludinal lines drawn at the side or hcneath them. 



