OUR ANTS. ' 43 



But their definite identification has not yet been completed mainly 

 owing to the d form not having been taken. 



Gen. 6. Acropyga (Roger). 



Very like the next, but abdomen is pointed and general shape 

 squatter. 



44. A. acutiv&titris (Roger). 

 Poena Districts. 



Ceylon Major Yerbury. 



I took a single 9 on the dinner table, but have never come 

 across the 5 . 



Gen. 7. Piagiolbpis (Mayr). 

 This and the next genus are easily distinguished by their 11 

 jointed anfeennse, from Prenolepis whose antennas are 12 jointed (this 

 of course refers to the ^ ) ; moreover,, in Plagiohpis, the knot is 

 " flat and rounded above. '* 



45. PI. longipes (Jerdon). 



Kanara E. H. Astken 



Moulmain,. Burma Major Bingham. 



TraTancore H. S. Ferguson. 



Colombo-; Calcutta G. A. J. Rothney. 



Tounghoo, Burma E. Y. Watson. 



Ceylon Major Yerbury. 



This is a yellow ant. I have never seen it in the Dekhan, but it 

 is common enough in Bombay, and I have taken it in Basseiu Fort. 

 Mr. Aitken has furnished me with the following note : — ** The habits 

 " of PL langipes are exactly the same as those of Pr. longicornis. 

 " Both species seem to be alike in being unable to ' gnaw, ' hence 

 '' their food must be carried home entire. If it is a corpse, they 

 muster a party and bear it away ; if it is anything sweet, they suck 

 it and take away the juice in their stomachs, which are capable of 

 being distended like toy balloons. In Kanara this species com- 

 pletely displaces Prenolepis as the house ant. Its nest is in holes 

 in the wall, or roof, or under the foundations, in a box full of old 

 bears' and hyaenas' skulls, or in fact anywhere. It steals no 

 farinaceous food, but carries off all portable sweet stuffs, and dead, 

 or dying, animal food of any kind. It wanders about the plants in 



