474 bulletin: museum of comparative zoology. 



attractive ants encountered. It lives always in the forest, where it 

 forages either among the branches of trees or on the ground. The 

 movements of the foraging worker are rapid, comparable to those of 

 some of our species of Cicindela, and the bicolored antennae are kept 

 constantly in motion. 



The female is very similar to and scarcely larger than the biggest 

 worker and the eyes and ocelli are equally well developed in both. 



193. Prenolepis {Nylcmderia) longicornis (Latreille). 

 Santarem, Natal, and Maranhao. 



194. Prenolepis {Nylanderia) vividula (Nylander). 

 Several colonies were found at Para. 



195. Prenolepis (Nylanderia) fidva Mayr. 

 Itacoatiara. 



196. Prenolepis {Nylanderia) steinheili Forel. 

 Independencia. 



197. Camponotus (Mynnoturba) maculatus (Fabricius) subsp. fusco- 



cinctus Emery. 



Several workers and females were found beneath bark at Natal. 



198. Camponotus (Myrmoturba) macidatus subsp. fryi, subsp. nov. 



Plate 6, fig. 52. 



Worker major. Length 10 mm. 



Close to subsp. C. spengleri Forel. Head a littl;e longer than broad, 

 truncate behind, with broadly rounded posterior corners and slightly 

 convex sides. Clypeus strongly carinate; the anterior border notched 

 at middle. Cheeks in front broadly rounded. Thorax and petiolar 

 node in profile thicker than in the other forms of C. macidatus, the 

 anterior face of the latter very convex. The front and vertex are 



