494 bulletin: museum o\ comparative zoology. 



published bj Mayris incorrect, as il shows the petiole narrowed ab 

 instead <>t' broad, and the spines are not drawn sufficiently prominent. 



The workers \ ar> m the color of the thoracic pleurae, which in some 

 specimens have the lower portions dark brown. 



C. deniatiu is not confined to the forests, bul lives also among 

 scrubby vegetation near the coast or in cultivated distri< 



75. Camponotus (Colobopbib) mayriella, nom. now 



Colobopsis can nnta Mayr, Verb. Zool. hot. gesellsch. Wien, 1870, 20, p. 934. 

 (nee Formica car inata Brulle, 1846). 



Soldier. Length 6.5 7..") nun. 



Bead quadrate, nearly :i third longer than broad, sides, except at cheeks, 

 straight, posterior border shaUowly concave. Mandibles with (i-7 stout teeth. 

 Clypeus a little narrowed in front, anterior corners rounded, border very in- 

 distinctly concave at middle, middle with a sharp carina, surface flat in front. 

 Cheeks shallowly impressed, the impressed portion bordered by an interrupted 

 carina. Frontal carinae little divergent, extending to opposite middle of eyes. 

 Frontal area broadly triangular. Front anteriorly with a short, rather sharp 

 carina. Antenna] scapes barely surpassing occipital corners; funicular joints 

 all more than twice 1 as long as broad, terminal joint slender and as long as the 

 two preceding joints together. Thorax in profile feebly convex, sutures 

 distinct. Epinotal base as long as the declivity and broadly rounding into it. 

 Node more than twice 1 as high as long, convex in front, flat behind, upper 

 border narrowly concave at middle and roundly margined. Femora moder- 

 ately impressed. 



Shining. Mandibles coarsely punctate and rugose-st riolate. Cheeks and 

 clypeus with short rugae. Head and body finely coriaceous. 



Erect hairs very sparse, on head and gaster and tips of femora. Sparse fine 

 appressed pubescence on head, body, and appendages. 



Fuscopiceous. Front of head, mandibles, and antennae rufous. Legs 

 fulvous, with the femora infiiscated. 



Worker. Length 5.5 mm. 



Head elongate, rounded behind eyes, sides in front of eyes straight and 

 subparallel. Mandibles 4-dentate. Clypeus convex, feebly carinate at 

 middle, anterior border rounded. Antennal scapes surpassing occipital border 

 by half their length; basal funicular joints nearly four times as long as broad, 

 decreasing in length toward the apex, terminal joint shorter than the two pre- 

 ceding joints together. Thorax long and low, and weakly impressed at 

 sutures. Base of epinotum nearly s1 raight in profile, longer than the declivity 



