BY R. J. TILLYARD. 215 



EXPLANATION OF PLATES XI.-XIIL 



Plate xi. (Micropholographs). 

 Fig. 1. — yEschna brevintyla Ramb.,(^. Basal portion of hindwing of nearly 



full-grown nymph. (Compare text-figure 2B). 

 Fig. 2 — yEschna Jtrevistyla Ramb.,(^. Basal portion of forewing of .same. 



(Compare text-figure 2A). 

 Fig. 3. — Dendroirschna conspersa'l'xWyAi'iX,^ . Basal portion of hindwing 



of full-grown nymph. 

 Fig. 4. — Synthemis macro stigma orientalu Tillyard,(^. Basal portion of 



hindwing of nearly full-grown nymph. (Compare text-figure 6B). 

 Fig.5. — Synthemis macrostigma orientalis Tillyard,<^. Basal portion of 



forewing of same. (Compare text-figure 6A). 

 Fig. 6. — Aiistrocordulia refracta Tillyard,(3 . Basal portion of hindwing of 



full-grown nymph. (Compare text-figure 9). 

 Fig. 7. — Hemicordulia tan Selys,(J. Basal portion <jf hindwing of full- 

 grown nymph. (Compare text-figure 11 B). 

 Fig. 8. — Hemicordulia tau Selys,^. Basal portion of forewing of .same. 



(Compare text-figure 11 A). 

 Fig. 9. — Diplacodes hcvmatodes Burm.,9- Basal portion of hindwing of 



full-grown nymph. 

 Fig. 10. — Cordule'phya j^ygni'va Selys,(^. Basal portion of hindwing of 



full-grown nj'mph. 

 Kig. 11. — Cordxdephya pygmcea Selys,(^. Same from another specimen, 



closer to metamorphosis, to show narrowing of imaginal wing- 

 border. (Compare text-figure 13). 

 Fig. 12. — Hemigomphus heteroclitus Se]ys,^ . Basal portion of hindwing of 



full-grown nymph. (Compare text-figure 16). 

 Fig. 13. — Cordulephya pygnuva Selys,(^. Forewing of full-grown nj'mph. 

 Fig. 14. — Caliagrion hillinghursti Martin, 9- Hindwing of full-grown 



nymph. 

 Fig. 15. — Caliagrion hillinghiirsti Martin, Q. Base of same, lightly printed 



to show fusion of A with Cu. (Compare Plate xii., fig.lA). 

 (Figs.1-3 and 6-12x32, figs.4-5xl6, figs. 13-15 x 11.) 



Plate xii. (Diagrams). 



Fig. 1. — Caliagrion billinghursti Martin, 9- Tracheation of hindwing of 

 full-grown nymph. (Compare Plate xiii., fig. 1). 



Fig.lA. — Base of same, to show fusion of A and Cu. (Compare Plate xi., 

 fig. 15). 



Fig.2. — Caliagrion hillinghursti Martin, Q. Corresponding venation in 

 imago. 



Fig.3. — Austrolestes cingulatus Bnvm.,Q. Tracheation of forewing of full- 

 grown nymph. 



