482 



DH. F. B. WHITE ON NEW HEMIPTERA. 



Fig. 22. Hemipholis mlcrodiscus, nobis, spines and tentacle-scales of arm, 

 highly magnified. 



23. Ophiactis affinis, nobis, from above, x8. 



Plate XI. 



24. Ophiactia affinis, nobis, from below, X 8. 



25. Ophiacantha Dallasii, nobis, thorns of the disk, magnified. 



26. „ „ „ fi'om above, X 8. 



27. „ „ „ from below, X 8. 



28. Ophiothrix Jcoreana, nobis, from above, X 8. 



29. „ „ „ from below, x8. 



30. „ ,, „ spine, highly magnified. 



31. ,, ,, ,, stump from the disk, highly magnified. 



32. ,, ,, ,, arm hook, highly magnified. 



33. Ophiothela Verrilli, nobis, from above, X 8. 



34. Hemipholis microdiscus, nobis, nat. size. 



35. Ophioglypha seulpta, nobis, nat. size. 



Descriptions of New Heiniptera. (I.) 

 By F. Buchanan White, M.D., F.L.S. 



[Read November 7, 1878.] 



The majority o£ tlie insects herein (and probably hereafter) to 

 be described, were taken by my friend Professor J. W. H. Trail 

 during his fruitful exploration of the Amazon region, in 1873- 

 1875; and his localities refer to the country drained by that 

 river and its tributaries. The types of all the species men- 

 tioned are in my collection. The subjoined tabular list of two 

 new genera and seventeen new species comprises what is contained 

 in this paper. 



Paryphes pontifex. Velia vivida. 



Fibrenus bullatus. virgata. 



Largus lentus. Neovelia Trailii. 



Ischnodemus inainbitiosus. Microvelia miraula. 



Painera pagana. Hydrobates regulus. 



Lethaeus lepidus. Liraogonus ? lotus. 



Helenus hesiformis. ? lubricus. 



Acanthocheila abducta. Pelocoris procurrens. 



Hydrometra metator. 



COREIDiE. 



\. Paeyphes (SuKfDARUs) PONTIFEX, n. sp. Supra et subtus cum 

 antennis pedibusque aeneo-viridis ; lobo postico pronoti scutelloque 

 croceis; hemelytris atris opacis, corii marginihus angustis costali api- 

 ealique, et commissura clavi flavescentibus ; membrana nigro-brunnea; 



