Dec, I9II.] Wheeler: Fungus-Growing Ants from Texas. 247 



Paris (C. T. Brues, Miss A. Rucker) ; Denton (W. H. Long) ; Pales- 

 tine (F. C. Bishopp) ; Brownswood (W. D. Pierce). 

 Louisiana: Ruston (W. D. Pierce). 



Illinois: Elizabethtown, Hardin County (W. P. Flint). 

 It is this form that Buckley may have seen and designated as 

 Am tardigrada, but, as I have shown {loco citato, p. 708), his descrip- 

 tion is so poor that it will apply to almost any of the Texan species 

 of Atta. 

 ^4. A. (T.) septentrionalis obscurior var. irrorata, new var. 



Woykey.-\)iii^rmg from the typical ohscurior only in having the surface 

 of the body between the spines and tubercles covered uniformly with dense, 

 gray granules. In size and in the development of the spines and tubercles the 

 specimens are essentially like those of the typical form of the subspecies. 



Described from many workers taken from six colonies at Hunts- 

 ville, Texas, by Mr. C. G. Hartman. 

 K- 5 A. (T.) septentrionalis obscurior var. crystallina, new var. 



Workcr.-Bm^rinz from the typical ohsc^irior only in having the body 

 covered with a layer of minute crystalline particles, probably an excretion. 



The female and male resemble the corresponding phases of the typical 

 obscurior in lacking this layer of particles. 



Described from several hundred workers, four males and a few 

 dozen winged females taken from five colonies at Huntsville, Texas, 

 by Mr. C. G. Hartman. 

 6. A. (T.) septentrionalis obscurior var. seminole, new var. 



Worker and Female. -Dmermg from the typical obscurior in their some- 

 what larger average size (worker 3-5-4 mm.; female 4-5-5 -n.) decidedly 

 rougher integument and the stouter tubercles and spines. The dark brown 

 markings on the head and gaster are more distinct and there is a spot of the 

 same color in the dorsal impression of the postpetiole. In the female the 

 region in front of the ocellar spot is also dark brown. 



Male.—Uke that of the male obscurior but averaging somewhat larger. 



Florida: Miami (Wheeler). 



Other specimens marked "Florida," collected by Pergande and 

 received some years ago from Dr. Gustav Mayr, evidently belong to 



the same variety. 



Further study of T. septentrionalis may show that the varieties 

 irrorata and crvstallina. which I have based merely on peculiar sur- 

 face appearances, are inadmissible, for these appearances may be 



