224 Journal New York Entomological Society. [Voi.xviii 



Pennsylvania: St. Vincent (Jerome Schmitt) ; Harrisburg, Tini- 

 cum Island and Camhill (H. Viereck). 



Connecticut: Colebrook (Wheeler). 



Massachusetts: Chestnut Hill, Boston (Wheeler); Nahant 

 (Moring) ; Cambridge (J. G. Jack) ; Essex County and Springfield 

 (G. B. King); Warwick (Miss Edmonds). 



Rhode Island: Providence (Davis). 



Illinois: Rockford (Wheeler); Urbana (J. L. Pricer). 



Wisconsin: White Fish Bay (C. E. Brown). 



Nebraska: Crete (Wheeler). 



Washington: Olympia (F. Kincaid). 



Idaho: Market Lake (J. M. Aldrich). 



Oregon: Corvallis (Amer. Mus. Nat. Hist.). 



California: Shasta County. 



Texas: Toronto, Brewster County (Wheeler). 



Florida: Atlantic Beach (Mrs. A. T. Slosson). 



British America: Toronto, Canada (R. J. Crew). 



Examination of workers of the typical fallax from Austria, Bul- 

 garia, France and the Crimea convinces me that Emery was right in 

 regarding this variety as distinguishable from the European type only 

 in the smaller average stature of the workers and female. The 

 maximum size of the worker major of the typical fallax is given by 

 Mayr and Forel as 9 mm. ; the female is said by Emery to average 

 10 mm. 

 2. C. fallax fallax var. minutus Emery. 



? Formica americana Buckley, Proc. Ent. Soc. Phila., VI. 1866, p. 154, 5 5- 



Camponotus marginatus var. minutus Emery, Zool, Jahrb. Abth. f. Syst., 

 VII, 1893, P- 676, $$; Wheeler, Bull. Amer. Mus. Nat. Hist., XXI, 1905, p. 

 403; Occas. Papers Bost. Soc. Nat. Hist., VII, 7, 1906, p. 24. 



Worker major. — Length 5.5-6 mm. 



Differing from nearcticus in its smaller size and in having the thorax 

 and petiole red or yellowish, sometimes darker behind. The legs and antennae, 

 too, are paler, the mandibles, sides and lower surface of the head red or 

 brown. Petiole convex in front, flattened behind. 



Worker minor. — Length 3.5-5 mm. 



Very similar to the worker major in color and sculpture. Petiole with 

 blunter margin. 



Female. — Length 6.5-7.5 mm- 



Like the worker major; thorax red, with the scutellum and a large antero- 

 median blotch and two elongate parapsidal blotches on the mesonotum black. 

 Pronotum clouded with fuscous or black. In some specimens the dark mark- 



