Vou. I, Pr. II] WHEELER—GALAPAGOS ISLANDS ANTS 285 
late, vertex sometimes faintly clouded with brown. ‘The 
bands on the gaster are broad and rather dark brown but ill- 
defined anteriorly, their mid-dorsal expansions faint or lack- 
ine. The puncturation of the head is nearly as well developed 
as in the var. jacobensis. 
Worker minor. Length 3.5—4 mm. 
Resembling the worker major, but paler in color, with the 
gastric bands narrower and their mid-dorsal expansions obso- 
lete. 
Female. Length nearly 9 mm. 
Very similar to the worker major in the form of the head 
and in color. The antennal scapes extend nearly one-quarter 
their length beyond the posterior corners of the head. There 
is a well-defined brown patch on the ocellar region and the 
gastric bands are broad and dark brown, covering the greater 
part of each segment, except the first. The wings are almost 
colorless, the veins and stigma brownish yellow. 
Male. Length 6.5 mm. 
Very similar to the male of the var. jacobensis, but the head 
and gaster are of a distinctly darker brown tint. 
Described from three major workers, three minor workers, 
four females and five males taken by the “Albatross” in 1899 
(U. S. Nat. Mus.) on Albemarle Island. Some of these speci- 
mens are very imperfect and part of them are greasy. The ab- 
sence of color in the wings may be due to fading with age. The 
markings on the gaster of the major workers and females are 
deeper and more vivid, however, than in the fresher speci- 
mens of the var. albemarlensis taken by Dr. Williams, so 
that I do not hesitate to regard the two varieties as distinct. 
Two of the specimens, a worker minor anda damaged female, 
are labelled as taken at Tagus Cove. The dates on the other 
specimens indicate that they were taken at different times and 
possibly in other parts of Albemarle. 
25. Camponotus (Myrmamblys) macilentus hoodensis, 
new variety. 
Worker major. Length 7.5—8 mm. 
Resembling the two preceding varieties in the structure of 
the head and clypeus and in puncturation. The antennal 
scapes extend a distance equal to their greatest width beyond 
