On new Species of Heteropterous Hemiptera. 365 
Fig. 7. Retepora plana, Hincks: portion of the front surface, magnified. 
4g. 8. The same: portion of the dorsal surface, magnified. 
Fig. 9. Retepora robusta, Hincks: a fragment of the zoarium, natural 
size. 
Fig. 10, The same: portion of the front surface, magnified. 
PruatE XIX. 
Fig. 1. Retepora monilifera, Macgillivray : zoocecia, magnified. 
Fig. 2. The same: a zoocecium in an earlier stage. 
Fig. 3. One of the oral spines, magnified. 
Fig. 4. One of the gigantic avicularia, magnified. 
Fig. 5. Large elliptical avicularium, magnified. 
Fig. 6. Retepora pretenuis, Hincks: portion of the front surface, magni- 
fied. 
Fig. 7. The same: portion of the zoarium, magnified, showing the rela- 
tive width of the fenestree and the interspaces. 
Fig. 8. Fragment of the zoarium, nat. size. 
Fig. 9. Retepora tessellata, Hincks: front surface. 
Fig. 10. The same: dorsal surface. 
Fig. 11. The oocecium. 
Fiy. 12. Fragment of the zoarium, nat. size. 
Fig. 13. ?Retepora granulata, Macgillivray : front surface. 
Fig. 14. The oocecium. 
Fig. 15. Two fenestree magnified, showing the width of the interspace. 
XLI.—Descriptions of new Species of Heteropterous Hemiptera 
collected in the Hawaiian Islands by the Rev. T. Blackburn. 
—No.2. By F. Bucwanan Wuire, M.D., F.L.S. 
HAVING received from Mr. Blackburn information as to the 
habits, localities, &c. (as well as more examples of some) of 
the species noticed in my former paper (vol. xx. p. 110), it 
will perhaps be as well to give notes on these species before 
describing certain new ones since received. 
In my last paper I omitted to number the species, which I 
will now do. 
1. Geotomus subtristis, Buchanan White. 
2. Geotomus jucundus, Buchanan White. 
Both widely distributed and pretty common, living under 
stones and about the roots of herbage, and not confined to the 
mountains. 
3. Triphleps persequens, Buchanan White. 
Three specimens only found. 
4, Cardiastethus mundulus, Buchanan White. 
Not rare about the outside of roofs of houses. 
