22 BULLETIN 108, UNITED STATES NATIONAL MUSEUM. 



white; antennae reach tips of jaws, r2-iointed; third joint equal 

 next two together; mandibles nearly as long as width of head; 

 right one with two subequal teeth toward base, left one with tv.'O 

 subequal at apical third and a long tooth toward base; labrum 

 hardly rounded on tip; gula slender, in middle not half as wide as 

 in front. Pronotum plranly less than twice as broad as long, deeply 

 roundedly emarginate in middle, the lateral anterior part rounded and 

 very plainly finely dentate; posterior sides broadly rounded into the 

 hind border, which is scarcely emarginate in the middle. Legs short, 

 femora much thickened; bod}^ and legs with short fine white hair. 



Length, 7 to 8 mm. (Fig. 10, 1.) 



Occurs in Mexico, southwestern Texas, east to southern Georgia, 

 and probably northern Florida, occurring as far north as Savannah, 

 Georgia, and vicinity. (Fig. 9.) 



KALOTERMES APPROXIMATUS, new species. 



Soldier. — Head yellowish, darker in front to almost brown, man- 

 dibles black, reddish brown at base; antennae and pronotum pale 

 yellowish; third joint of antemiae brown; legs paler, tarsi yellow; 

 abdomen gray with tinge of yellow. Head one and one-half times 

 as long as broad, sides parallel to slightly concave. Hairs on sides' 

 of head and pro thorax. Eye round to oval, hyaline white; ocellus 

 visible above eye spot. Antennae reach tip of mandibles,* 13-jointed, 

 the tliird joint is modified; that is, is slightly narrowed (distinctly at 

 base) chitinized and pigmented brown. The tliird joint of the antenna 

 is not quite as long as the fourth and fifth together. Mandibles nearly as 

 long as width of head; right mandible with two subequal marginal 

 teeth near the base, left mandible with three marginal teeth on lower 

 two- thirds, the median tooth being broader. Labrum hardly romided 

 at tip ; gula slender, in middle not half as wide as in front. Pronotum 

 wider than head; less than twice as broad as long, roundedly emar- 

 ginate in middle, the lateral anterior portion is not dentate as in margini- 

 pennis. Posterior sides of pronotum broadly rounded into hind 

 border which is scarcely emarginate in the middle. Legs short, 

 femora much thickened; body and legs with short fine white hairs. 

 In general near Kalotermes marginipennis Latreille. Length 7.5 mm. 



Occurs in northern Florida; collected by T. E. Snyder on March 

 5, 1919, at Ortega, near Jacksonville, Florida, in chambers in dead 

 stumps of sweet gum trees in woodland; two colonies of nymphs and 

 soldiers. Hopk. U. S. numbers 14108 and 14110. 



Winged adult unknown. 



Type, soldier.— Cat. No. 22359, U.S.N.M. 



KALOTERMES SCHWARZI, new species. 



Winged. — Pale castaneous; head paler in front; pronotum pale in 

 front, dark or blackened on the posterior corners; thorax pale in 

 middle; venter and femora pale; tibiae and tarsi more yellowish; 



1 When mandibles are crossed. 



