302 



PROCEEDINQS OF THE NATIONAL MUSEUM. vol. xxxm. 



Fig. 29.— Diagrams representing the thoracic color pattern of some oriental Gomphin.e. 



1. ictinls clavatus, tonkin. 2. ictinus pf.ktinax, tonkin. 3. ictini.s mel^enops, sla.m. 1. gojiphidia krugrei. 



Tonkin. 5. Gomphidia abbotti, Siam. 0. Davidius fruiistouferi, Tonkin. 7. Sieboldius japponicus, Sia.ii. 8. 



Macrogomphus qcadratus. Big Tambelan Island, China Sea. 9. Macrogomphus species, Siam. 10. Blrslagom- 



PHUS VERJIICULATUS, BlRMA. 11. GOMPllUS X-VNTHENATL'S. BLRMA. 12. ONYCHOGOMPHUS ANNULARIS, BURMA. 13. 



Onyciiogompiius saundersii, Burma. 11. Onyciiogomphus species, burblv. 

 A. Mesothouacic half collar. B. Dorsal thoracic stripe. C. Antehumekal stkjpe (in literature sometimes 

 humeral stripe or juxtaiiumeral stripe). Band Contiiemeseplsterxum. D. Pale stripe on the mesepimeron. 

 E. Pale stripe ON THE metepisternum. F. Pale .\rea or stripe on the metepimeron. G. Mesinfr.episternum. 



H. MeTASTERXUM. J. MIDDORSAL CARLN'A. L. HUMERAL SUTl'RE. M. FIRST LATERAL SUTURE. iV. SECOND LATERAL 



suture. Dotted portion of No. 10 represents the pale area connecting the dorsal and antehumeral stripes. 



