352 Bulletin American Museum of Natural History. Vol. XIIX.] 



Roger's description of this species is too meager to admit of identifica- 

 tion. P. kincaidi is evidently allied to P. vividula Nyl. and P. 

 bruesi Wheeler, but the genital valves of the male are very different. 



10. Prenolepis sp. — Seven workers, apparently all from the same 

 colony, but varying much in size (from 2-3 mm.) They are very 

 pilose and pubescent, with subopaque surface and finely punctate 

 mesonotum. The species cannot be identified without the correspond- 

 ing male, for, as Forel has shown, the only satisfactory diagnostic 

 characters of the species in the difficult genus Prenolepis are to be 

 found in the genital valves of that sex. 



11. Lasius niger Linn. — 'This form is mentioned by Kirby^ under 

 its old name Formica nigra Linn, as occurring in the Bermudas. 

 It was probably introduced, as he says, but whether from Europe or 

 the United States it is impossible to ascertain. 



'On the Hymenoptera Collected during the Recent Expedition of H. M. S. "Challenger." 

 Ann. Mag. Nat. Hist., ser. 5, XIII, 1884, pp. 403-413. 



