LAMB—DIPTERA: HETERONEURIDAL, ORTALIDA, TRYPETIDAL, SEPSIDA, ETC. 
PLATE 19. 
Fig. 1. Heteromeringia plumicornis, n. sp. side view of head, x 40. 
Fig. 2. - nigrifrons, n. sp., side view of head, x 40. 
Fig. 3. Allometopon flavum, n. sp., side view of head, x 25. 
F ig. 4. Acrosticta exsul, n. sp., front view of head, x 36. 
Fig. 5. e » 0. sp., side view of head, x 40. 
Fig. 6. Acidia seychellensis, n. sp., side view of head, x 32. 
Fig. 7. Acidia (?)ocellata, n. sp., front view of head, x 20. 
Fig. 8. 3 s n. sp., side view of head, x 20. 
Fig. 9. Tephritis aldabrensis, n. sp., side view of head, x 36. 
Fig. 10. Rhabdocheta spinosa, n. sp., side view of head, x 36. 
Fig. 11. Sepsis albopunctata, n. sp., front leg of ¢, x 38. 
Fig. 12. Drosophila sericea, n. sp., side view of head, x 36. 
Fig. 13. y grossipalpis, n. sp., side view of head, x 36. 
Fig. 14. , notabilis, n. sp., diagrammatic top view of head, x 36. 
Fig. 15. 3 _ n. sp., side view of head, x 36. 
Fig. 16. a fracticosta, n. sp., side view of head, x 36. 
Fig. 17. ae nigerrima, 0. sp., side view of head, x 36. 
Fig. 18. s nigrobrunnea, n. sp., side view of head, x 36. 
PLATE 20. 
Fig. 19. Drosophila punctiscutata, n. sp., side view of head, x 45. 
Fig. 20. 3 aberrans, 0. sp., top view of head, x 45. 
Fig. 21. re zs n. sp., side view of head, x 45. 
Fig. 22. i spinipes, n. sp., top view of head (diagrammatic), x 45. 
Fig. 23. a rf n. sp., side view of head, x 45. 
Fig. 24. * - n. sp., front tarsus, x 50. 
Fig. 25. * hirtipes, nu. sp., side view of head, x 45. 
Fig. 26. 5 jucunda, nu. sp., side view of head, x 45. 
Fig. 27. - rs finitima, u. sp., side view of head, x 45. 
Fig. 28. a caliginosa, nu. sp., side view of head, x 45. 
Fig. 29. * pallipes, nu. sp., side view of head, x 405. 
Fig. 30. G triangulifer, n. sp., side view of head, x 45. 
Fig. 31. a rufuloventer, v. sp., side view of head, x 45. 
Fig. 32. si nasuta, u. sp., side view of head, x 45. 
Fig. 33. i similis, n. sp., front leg of §, x 40. 
Fig. 34. os 3 n. sp., side view of head, x 45. 
Fig. 35. Chymomyza bicolor, n. sp., side view of head, x 45. 
Fig. 36. Dettopsomyia formosa, n. sp., side view of insect, x 30. 
Fig. 37. 3 2 n. sp., top view of head, x 45. 
Fig. 38. i 2 n. sp., front view of head, x 45. 
Fig. 39. ‘ 4s n. sp., side view of head, x 45. 
Fig. 40. Echidnocephalus barbatus, n. g. and sp., side view of insect, x 20. 
EXPLANATION OF PLATES 19—21. 
SECOND SERIES—ZOOLOGY, VOL. XVI. 
48 
37 1 
