The Ants of the Bahic Amber. 53 



as broad. The mesoepinotal constriction is feeble and the shape of the 

 pedicel, faster and legs seems to be much as in heyrichi, judging from 

 the description. The femora, too, are strongly clavate, and the middle 

 and hind tibia? probably have no spurs. That this species cannot be placed 

 in the West Indian genus Macromisclia, as at present defined, is certain. 

 I have placed it provisionally in Vollenhovia, notwithstanding its 

 11- jointed antennse. This character would carry it into the genus 

 Podomynna, but the thorax is too simple and too unlike that of any 

 of the living species of this group with which I am acquainted. 



Genus Stenarmna Mayr. 

 Stenarnfua berendti (Mayr), 



Apluenogaster berendti Mayr, Beitr. Natiirk. Preuss. I, 1868, p. 82. Taf. IV, Figs. 78 

 79, (f; Dalla Torre, Catalog. Hymen. VII, 1893, p. 100; Haxdlirsch, 

 Fo.-^s. Insekt., 1908, p. 874. 



Mayr described this species from a single male specimen in the 

 Berendt Coll. I have found another male, which agrees very closely 

 with his description, in the Greolog. Inst. Koenigsberg Coll. (no number). 

 The small size of these specimens (2,2 — 2,5 mm) and their venation 

 show that they belong to the genus Stenamma and not to Aplueno- 

 gaster. Mayr supposed the venation of his specimen to be anomalous, 

 but we now know that a single cubital cell is characteristic of Stenamma, 

 whereas Apluenogaster has two cubital cells. Curiously enough, the 

 venation of S. berendti is like that of our North American S. brevicorne 

 Mayr and not like that of the European S. westivoodi Westw., in that 

 the posterior branch of the cubital vein comes off near the middle 

 of the cubital cell and not from the base of the radial cell. Mayr 

 describes the Mayrian furrows of the thorax as absent in S. berendti, 

 but in the specimen before me they are present, though not very deep. 

 In Mayr's Fig. 78 the eyes are too small. The body of the specimen 

 from the Geolog. Inst. Koenigsberg Coll. is black, the legs and gaster 

 are brownish, the wings are pale brown with concolorous veins. 



Genus AphfEno(jastev Mayr. 

 Aphfeuoffctster sonitnerfeldti Mayr. (Fig. 18.) 



Aphcenogaster sommerfeldti M.VYR, Beitr. Naturk. Preuss. I, 18ti8, p. 81, Taf. IV, 

 Figs. 76. 77 2; Dalla Torre. Catalog. Hymen. VII, 1893, p. 1U4; 

 Ern. Andre, Bull. Soc. Zool. France. XX, 1895, p. 82; Handlirsch, 

 Foss. Insekt. 1908, p. 874. 



This species, as Mayr observed, is allied to the recent Aplueno- 

 gaster subterranea of the warmer portions of Europe. It resembles 



