1931 ] 
Cape Cod Ants 
77 
27. L. brevicornis Emery. Woods Hole, West Fal- 
mouth. August 19-September 30. I have once found 
mermithogynes in this species (see Wheeler 1928). 
28. L. flavus nearcticus Wheeler. Woods Hole, Wa- 
quoit, Sandwich, Cotuit. August 13-September 8. 
29. L. latipes Walsh. Woods Hole, Falmouth, Mash- 
pee. Hyannisport (Wheeler). August 12-September 8. 
(Rochester, July 22.) Both the A and the B type of fe- 
males occur on Cape Cod. 
30. L. claviger Roger. Woods Hole, Falmouth Heights, 
Pocasset, Mashpee, South Chatham, Chatham. August 
22-26. 
31. Formica sanguinea rubicunda Emery. Cotuit. 
Woods Hole (Wheeler). (Rochester, July 22.) The only 
nest I have found on Cape Cod had F. subaenescens slaves. 
32. F. sanguinea subintegra Emery. Woods Hole, 
West Falmouth, Waquoit, Mashpee. August 17-19. I have 
observed raids on August 6, and (on Naushon) August 25. 
Two colonies moving to new nest-sites were observed, Au- 
gust 12 and 15. All the slaves observed on Cape Cod have 
been F. subsericea. 
33. F. exsectoides Forel. Woods Hole, Falmouth, East 
Falmouth, Waquoit, Mashpee, Chatham. August 22. 
34. F. difficilis Emery. Hyannis. 
35. F. difficilis consocians Wheeler. West Falmouth. 
Woods Hole (Wheeler). July 18. The one nest that I 
have found on Cape Cod contained numerous larvae of 
Microdon. 
36. F. truncicola integra Nylander. East Falmouth, 
Mashpee, South Harwich. August 6. 
37. F. truncicola obscuriventris Mayr. Woods Hole, 
Pocasset. August 2. (Fairhaven, May 28.) 
38. F. fusca argentea Wheeler. Woods Hole, Falmouth, 
Falmouth Heights, West Falmouth, Sandwich, Chatham, 
