1927] 
Notes on a Collection of Amber Ants 
31 
Nothomyrmica rubis Mayr : One worker in the Univ. 
Konigsberg (xxB859). 
Leptothorax gracilis Mayr: One worker and one male, both 
in the collection of the University of Konigsberg, and without 
numbers. 
Dolichoderinae 
Dolichoderus balticus Mayr: One specimen, Univ. Konigs- 
berg collection (11017/364), the sixth individual to be found. 
Dolichoderus tertiarius Mayr : One male in the Univ. 
Konigsberg collection. (137060/437). 
Iridomyrmex geinitizi Mayr: Three males and three workers 
in the Univ. Konigsberg collection (9561/289, 7501/239, xxB768, 
B18282, and two without numbers); one worker in the Fritsch 
collection (207). 
Iridomyrmex goepperti Mayr: Eight workers and one male 
in the Univ. Konigsberg collection (B19423, xxB1771, 7444/182, 
and six without numbers); one worker in the Fritsch collection 
(186). 
Formicinae. 
Prenolepis henschei Mayr: One worker and one male, Univ. 
Konigsberg collection (xxB104, 7479/217). 
Prenolepis pygmcea Mayr: Nine males in the Univ. Konigs- 
berg collection (9757/303, 4195/76, etc.); ten males in the 
Fritsch collection (163, 62, 96, 186, etc.). 
Lasius schiefferdeckeri Mayr: Two males in the Fritsch col- 
lection (246, 229). 
Lasius punctulatus Mayr: One female in the Fritsch col- 
lection. (230). 
Formica flori Mayr: One worker and two males in the 
Univ. Konigsberg collection (xxB908, and two without num- 
bers); four males in the Fritsch collection (241, 216, 197, 138). 
