The Ants of the Baltic Amber. 



129 



beyond the posterior border of the head; basal funicular joints slender, 

 3 — 4 times as long as broad. Maxillary palpi long. Thorax slender, 

 shaped much as in the recent F. paUidefidva Latr., but the mesonotum 

 straight in profile, anteriorly raised a little above the pronotum and 

 sloping backward; epinotum short and convex, rounded, with indistinct 

 base and declivity. Petiole fully as long as broad, its node rather small 

 and narrow; as long as high, not compressed anteroposteriorly, very 



Fig. Gl. Formica constricta Mayr. Worker. (Berlin Museum.) 



blunt and conical, its anterior, lateral and posterior surfaces all convex 

 ■without a distinct transverse superior border. Gaster rather laro-e 

 elliptical. Legs very long and slender, especially the posterior pairs 

 with long spurs. 



Surface shining, finely shagreened and sparsely and superficially 

 punctate; mandibles rather coarsely striatopunctate. 



Body, scapes and legs covered with short, bristly, erect hairs- 

 flexor surfaces of tibire and metatarsi beset with a row of oblique bristles 



Color black or dark brown. 



Mayr, I am convinced, was not ouly in error in assigning this 

 species to the genus Camponohis, but probably included in his de- 

 scription of what he regarded as the worker major on account of a 

 large and probably poorly preserved specimen of Pseudolasiiis self at us 

 sp. nov. This I infer from his words: „Caput thorace latius, aut 



Schrifteii (1. I'hysik.-Okonoiii. Gesellscliaft. .lahrgimg LV. 9 



