'4 ANTS. 



the subgen. J'licidolc and L'cratoplic'ulolc ), 



Sympheidole, Stcnannini, Jplucim^nstcr (with the subgen. 



Aph&nogaster and Ischnomyrmex), Mcssor, O.\-\opom\r- 



ntc.r (with the subgen. Oxyopomyrmex and 



Mynnica, Pogonomyrmex (with the >ubgen. 



///r.r, Janctia and Ephebomyrmex) , L'rafoiii\ruic.r, 'J'richo- 



myrmex. 



Tribe 3. CREMASTOGASTRII. 



Cosmopolitan. \\'ith the characters of the single genus : Crcnui^to- 

 i with the subgen. Cremastogaster and O .\~\ g\mc ) . 



Tribe 4. SOLENOPSIDII. 



Cosmopolitan. Workers often highly dimorphic, or very small 

 when monomorphic. Antennas with a reduced number of joints and 



Fir.. 84. \Yorker of Polyrhachis lamellidens of Japan. (Original.) 



usually 2-jointed club. Male and female often very large compared 

 with the workers, always winged. Male genitalia sometimes completely 

 retractile. Many of the species are decidedly subterranean, or hypogaeic. 



Pheidologeton (with the subgen. Pheidologeton and .Inclciis}, 

 . Icrouiynna. Solenopsis, Oligomyrmex, Carebara, Carc- 

 barclla, Rrcboinynua. Tranopelta, Rhopalomastix, Allo- 



