24 



DURHAM DIPTERA. 



INDEX TO TERMS. 



The numbers refer to the paragraph and section, &c, in 

 description of Fly Chart : — 



Abdomen 



D. 



Dorsum 



B.I. 



Acrostichal 



B.I. S . 



Edge of eye 



A.III.7. 



Alar frenum 



B.I.3. 



Empodium 



CI. 11. 



Alar region 



B.I. 2. 



Epistome 



A.VIII.i. 



Alula 



C.II.8. 



Eye margin A. 1 1 1. 7. 



and A.VI. 



Anal vein 



V.6. 



Face 



A.V. 



Antennae 



A.IV. 



Facial bristles 



A.V.2. 



Anterior legs 



C.I. 



Facialium 



A. V.i. 



Anus 



D.2. 



Flagellum 



A.IV.2. 



Apex 



C.I. 12. 



Femora 



C.I.3. 



Apical region 



C.II.3. 



Forceps 



D. 3 . 



Appendix 



C.II.5. 



Frons 



A.m. 



Areolet 



C.II.6. 



Frontal bristles 



A.111.4. 



Arista 



A.IV.6. 



Frontal lunule 



A.111.3. 



Auxiliary vein 



V.I. a, 



Frontal orbits 



A.111.2. 



Axillary vein 



V.7. 



Fronto-orbital bristles 



A.111.5. 



Axillary lobe 



C.II.8. 



Frontal stripe 



A.m. 1. 



Band 



F. 



Gense 



A. VI. 



Basal region of wing 



C.II.3. 



Genal orbit 



A.VI. 



Breast 



B.III. 



Genitalia 



D. 3 . 



Bristle 



E. 



Hair 



E. 



C = Costa 



C.II.4. 



Halteres 



cm. 



Calcar 



E. 



Hang vein 



C.II.s. 



Calyptra 



CIV. 



Humerus 



B.I.2. 



Cell 



C.II.6. 



Humeral bristle 



B.I.6. 



Chsetotaxy 



B.I. 4. 



Hypopleura 



B.III.6. 



Cheek 



A.VI. 



Hypopygium 



D.3. 



Ciliated 



C.II.4. 



Intra-humeral bristle 



B.I.8. 



Combed 



A.IV.6. 



Intra-alar bristles 



B.I. 10. 



Costa 



C.II.4. 



Jowls 



A. VII. 



Coxa 



C.I.i. 



Knees 



C.I.10. 



Cubital vein 



V.3. 



Lamellae 



D.3. 



Discal abdominal bristles 



D. S . 



Lower fronto-orbital bristles 



Discal cell 



C.II.6. 





A.III.6. 



Distal 



CI. 12. 



Macrochaetse 



B.I.4. 



Dorsal arista 



A.IV.6. 



Margin of the eye A. III. 7. & A.VI. 



Dorsal suture 



B.I.2. 



Mediastinal 



V.1.a. 



Dorsopleural suture 



B.I.i. 



Mesopleura 



B.III. 2. 



