3' 



96 Journal Xew York Entomological Society. [Vol. xix. 



now in the same collection movnited on a slide in xylol-balsam (tem- 

 porarily in my possession). 



Literature Referred To. 



1832. Curtis, John. British Entomology; being illustrations and descrip- 

 tions of the genera of insects, etc., London, IX, p. 411 (2 pp.), pi. 

 411 (colored fig. adult female and 5 figs, of details — -male, female 

 antenna, mandible, fore leg and lateral aspect of the abdomen). 



1847. FoERSTER, Arnold. Ueber die Familie der Mymariden. Linncea 

 (entom.), H, p. 225. Separate, undated. 



1879. Westwood, John Obadiah. Descriptions of Some Minute Hymenopter- 

 ous Insects. Trans. Linnean Soc. of London, Zoology, second series, 

 I, June, p. 584, pi. 7Z, fig. 3- 



A NEW CAMPONOTUS FROM CALIFORNIA. 



By William Morton Wheeler, 

 Boston, Mass. 



Camponotus anthrax, new species. 



Worker Major. — Length 7-9 mm. 



Belonging to the fallax group. Head large, as broad as long, broader 

 behind then in front, with broadly and feebly excised posterior border, 

 rounded posterior corners and convex sides ; in profile very convex above, 

 flattened below. Eyes rather large, broadly elliptical, flat. Mandibles convex, 

 6-toothed. Clypeus feebly convex, ecarinate, its anterior border impressed in 

 the middle, with a small but distinct notch. Antennal scapes not reaching 

 the posterior corners of the head, slender and not flattened at the base, dis- 

 tinctly incrassated towards their tips. Thorax not longer than the head in- 

 cluding the mandibles, and in front half as broad as the head ; in profile 

 feebly and rather evently arcuate above, laterally compressed in the meso- 

 and metapleural regions. Promesonotal suture very distinct ; metanotum clearly 

 outlined. Epinotum in profile with subequal base and declivity, forming to- 

 gether an obtuse angle, the former nearly horizontal, the latter slightly con- 

 cave. Petiole nearly as broad and high as the epinotum, compressed antero- 

 posteriorly. with blunt, rounded and entire border; its anterior and posterior 

 surfaces both flat and the anteroposterior diameter the same above as below. 

 Gaster elliptical, its dorsal surface distinctly flattened. Legs as usual, the fore 

 femora slightly incrassated, the hind tibiae broadly elliptical in cross-section, 

 their surfaces neither flattened nor sulcate. 



Head and mandibles shining, especially the cheeks, gula. posterior 

 corners, vertex and occiput ; clypeus and front more opaque through being 



