The Ants of the Baltic Amber. 



107 



.iy' 



anteroposteriorly. The punctures on the mandibles are finer and the 



frontal striae do not extend as far back as in D. theryi. Otherwise 



the sculpture and the 



pilosity are much as 



in the latter species. 



Legs with very short, 



reclinate hairs. Color 



red. 



Described from 

 a single beautifully 

 preserved specimen 

 (without a number) in 

 the Geolog. Inst. Koe- 

 nigsberg Coll. In my 

 figure the eyes should be slightly reniform and somewhat more 

 approximated in front. 



Fig. fil. D'utiorphomyrnie.v mayri sp. iiov. Worker. 



Tribe Gesomyrmini Forel, 



Genus Gesomi/rmex Mayr. 



Geso^nyvinex annectens^ sp. no v. 



Worker (Fig. 52). Length 4 — 6 mm. 



Body rather stout. Head longer than broad, about as narrow 

 behind as in front, with convex sides and broadly and feebly excised 

 posterior border. Cheeks and anterior corners of head well -developed. 

 Eyes very large and convex, fully half as long as the head, reniform, 

 somewhat approximated in 

 front, situated in front of 

 the middle of the head, 

 only their external orbits 

 visible when the head is 

 seen from below. Ocelli 

 small but distinct. Clypeus 

 moderately convex, with 

 a prominent rounded lobe, 

 half as long as the remainder 

 of the sclerite. projecting 

 over the bases of the mandi- 

 bles. Mandibles long and 

 narrow, 9-toothed, their external blades rather straight at the base, convex 

 apically. The teeth are of unequal length, long and short ones alternat- 



I 



Fig. 52. 



(Jesomyrmex annectens .sp. iiov. 

 Worker, B1501. 



