62 Mr. F. Smith's descriptions of new species 



41. Pseudomyrma Icevignta. 



Worker. — Length 4| lines. Pale yellow, or sometimes 

 reddish-yellow, and very smooth and shining. Head 

 narrowed in fi^ont and behind; eyes very large; front of 

 the head, mandibles, and basal portion of the antennas 

 occasionally, whitish-yellow ; the teeth of the mandibles 

 black. Thoi-ax rounded anteriorly, the lateral margins 

 acute, the disk flattened and somewhat arched; deeply 

 impressed between the meso- and meta-thorax ; the latter 

 narrower than the prothorax. Abdomen : the first node 

 about the same length as the petiole, and half the width of 

 the second ; the entire body and legs thinly sprinkled with 

 erect pale hairs. 



Hab. — Ega on the Amazon. Type in the British 

 Museum. 



42. Pseudomyrma variabilis. 



Worker. — Length 3 — 3^ lines. Black, with the front 

 margin of the head, the mandibles, the base, and apex of 

 the scape and of the flagellum, also the anterior tibise and 

 tarsi and the apex of the femora, reddish-yellow, covered 

 with a fine hoary pubescent pile ; the intermediate tibi^ 

 and apex of the femora, as well as the posterior ones, more 

 or less rufo-testaceous ; eyes large, the head slightly 

 narrowed behind. Thorax with the lateral margins acute, 

 flattened above ; deeply strangulated between the meso- 

 and meta-thorax, the latter arched longitudinally and not 

 elevated higher than the prothorax. The first node of 

 the abdomen clavate, the second subglobose. 



Some specimens are pale reddish-yellow, with the 

 abdomen blackish; several intermediate states of colora- 

 tion occur. 



Hab. — Barbadoes. Type in the British Museum. 



43. Pseudomyrma pilosula. 



Worker. — Length 5 — 5\ lines. Black, and covered 

 with a fine changeable hoary pile ; the anterior margin of 

 the head, the mandibles, anterior tibise, tarsi and tips of 

 the femora reddish-yellow; the front slightly depressed 

 longitudinally in the middle, the vertex rounded behind. 

 The thorax with the sides flat, slightly rounded above, 

 the lateral margins acute : the metathorax arched longi- 

 tudinally, not elevated higher than the prothorax. The 

 peduncle of the abdomen short, the first node subglobose. 



