ANTS. 



Tribe 5. ODOXTOMACIUI. 



Cosmopolitan. Worker and female characterized by the peculiar 

 configuration of tin- head and mandibles (Fig. 3, /\ ). 



.Inochctus (with the subgen. Anochctns and Stcnomynnc.r i, 

 Champ somyr me x, Odontomachus (Fig. 3, K). 



Tribe o. PROCERATII. 



Cosmopolitan, but not yet known from the Indian and Ethiopian 

 regions. Worker with vestigial eyes and sutureless thorax. Tip of 

 large first gastric segment turned downward and the succeeding seg- 



FIG. 80. Species of Lioinetopuhi. (Original.) a, Worker of L. aficulatuju of 

 Southwestern North America ; b, petiole of same seen from behind : c, petiole of 

 female; d. worker of L. inicrocefhalum of Southern Europe: e. petiole of same. 



ments forming a cone with its tip directed anteriorly. Females winged 

 and with well-developed eyes. Male genitalia completely retractile. 



Syspliincta (Fig. 128, a), Proceratinm (Fig. 128, b), Dis- 

 cothvrca. 



Tribe 7. CERAPACHYSII. 



Cosmopolitan. \Yorkers blind or with vestigial eyes. Antennae 

 0-12 jointed. Frontal carinse erect. Males and females imperfectly 

 known : in some cases the latter are apterous and dichthadiiform 

 (Acanthostichus). Males with furcate subgenital plate. 



