wheeler: CHINESE ANTS. 539 



23. MoNOMORiUM PHARAOXis (Linne). 



Workers and females from Canton (C. W. Howard) and Soochow 

 (Gee). 



24. MONOMORIUM CARBONARIUM F. Smith. 

 Workers from Soochow and between Shanghai and Foochow (Gee). 



25. Myrmecina graminicola (Latreille) subsp. sinensis, 



subsp. nov. 



Worker. Length nearly 2.3 mm. 



In size and color closely resembling the subsp. nipponica Wheeler of Japan 

 but differing in the following particulars : — Head with more rounded sides 

 and posterior corners. CljiJeus completely lacking the teeth which are so 

 prominent in the ty^jical European graminicola and even in the Japanese form. 

 The anterior border of the clj-peus is merely rounded and sinuately emarginate 

 in the middle. The epinotal spines and teeth are much as in nipponica, but 

 the sculpture and pilosity are different. The mandibles are opaque and very 

 finely shagreened; the rugae of the head and thorax are much less pronounced 

 and the surface is more opaque. The hairs on the dorsal surface of the body 

 are much shorter and distinctly more appressed, especially on the gaster. 



Described from two specimens from Mokanshan (Gee). 



26. Pristomyrmex japonicus Forel. 



A single worker from Soochow and sixteen workers from ^lokanshan 

 (Gee). This species, originally described from Japan, has also been 

 recorded by Forel from Formosa. 



27. Tetramorium caespitum (Linne). 



Numerous workers from IMokanshan and between Shanghai and 

 Foochow and a few from Soochow and Western Hills, Peking (Gee), all 

 very much like the typical European form. 



28. Meranoplus bicolor (Guerin). 



A single worker from Hong-kong (Terry). This is a common spe- 

 cies in India, according to Bingham " avoiding only the hot plains of 



