wheeler: CHINESE ANTS. 535 



18. Crematogaster rogenhoferi Mayr. 



A single worker from Lo-foo-shan, 100-1,000 ft. (Muir), two workers 

 from Soochow (Gee), and several from Canton (C. W. Howard). 

 Known from India, Ceylon, Burma., and Cochin. 



19. Crematogaster laboriosa F. Smith. 



Several workers from Soochow (Gee). Pre^'iously known only 

 from Japan. 



20. Messor lobulifer Emery. 



Workers, males and females, from Soochow, " nesting on the uni- 

 versity campus," Foochow and Mokanshan (Gee). Known from 

 Mongolia and Shanghai. 



21. Aphaenogaster geei, sp. nov. 



Worker. Length, 6.5-7.5 mm. 



Head, including the mandibles, broadly and regularly elliptical, longer than 

 broad, rounded behind, with marginate occipital border. Vertex with a 

 distinct impression in the median line. Eyes moderately large, convex, at 

 the middle of the sides of the head. Mandibles rather long, with straight 

 lateral borders, three large apical and several smaller and more irregular basal 

 teeth. Anterior border of cl\T)eus rather broadly and sinuately emarginate 

 in the middle. Frontal area large, triangular, impressed. Antennae slender; 

 scapes extending scarcely more than j their length beyond the occipital border 

 of the head, at the base fiu-nished with a flattened lobe resembhng that of the 

 North American A. treatae Forel, but smaller; all the funicular joints decidedly 

 longer than broad, the terminal joints not forming a distinct clava. Thorax 

 slender, narrower than the head, with pronounced mesoepinotal constriction. 

 Pronotimi and anterior portion of mesonotiun forming together a hemi- 

 spherical mass, with evenly rounded dorsal and lateral surfaces; posterior 

 portion of mesonotum sloping backward to the short mesoepinotal constric- 

 tion. Epinotmn longer than broad or high, its base horizontal, feebh' and 

 evenly convex in profile and much longer than the vertical declivity, armed 

 with two rather acute spines, which are scarcely longer than broad at the base 

 and directed upward, backward, and outward. Petiole slender, its peduncle 

 nearly as long as the node, which is somewhat conical in profile, with subequal 

 anterior and posterior slopes. Postpetiole nearly twice as broad as the petiole, 

 slightly longer than broad, with verj- convex, rounded node. Gaster of the 



