1931 ] 
Cape Cod Ants 
79 
50. C. herculeanus pennsylvanicus Degeer. Woods 
Hole, Sandwich, Mashpee, North Eastham. August 16-27. 
(Naushon, August 30.) 
51. C. herculeanus pennsylvanicus mahican Wheeler. 
Woods Hole (Wheeler). I have been unable to find this 
form. 
52. C. herculeanus pennsylvanicus ferrugineus Fabri- 
cius. Woods Hole. One queen and two workers, taken 
separately. 
53. C. herculeanus ligniperda noveboracensis Fitch. 
Woods Hole, Waquoit, Mashpee, Hyannis, Chatham. July 4. 
Common in logs about sandy ponds, where it replaces penn- 
sylvanicus. At Woods Hole it is much less common than 
pennsylvanicus; on Naushon pennsylvanicus is still more 
frequent, but I have not found noveboracensis. 
Literature Cited 
Davis, W. T., and J. Bequaert. 
1922. An annotated list of the ants of Staten Island 
and Long Island, N. Y. Bull. Brooklyn Ent. Soc. 
17: 1-24. 
Wheeler, W. M. 
1906. Fauna of New England. 7. List of the Formi- 
cidse. Occas. Papers Boston Soc. Nat. Hist. 7 : 1-24. 
1910. The North American Ants of the genus Cam- 
pon ot us Mayr. Ann. N. Y. Acad. Sci. 20 : 295-354. 
1913. A revision of the ants of the genus Formica 
(Linne) Mayr. Bull. Mus. Comp. Zool. 53: 377-565. 
1926. (Formicidse in: Coker, R. E., Fauna of Penikese 
Island, 1923). Biol. Bull. 50:35. 
1928. Mermis parasitism and intercastes among ants. 
Jour. Exper. Zool. 50 : 165-237. 
1928a. Ants of Nantucket Island, Mass. Psyche 35: 
10 - 11 . 
