232 Mr. W. G. Crawley on Ants from 



shade cannot, be determined. Membranes dark, the hinder 

 edge of the plagiopatagium and interfemoral with an incon- 

 spicuous light line. 



Skull with a quite unusually swollen brain-case, the inter- 

 orbital region also very broad and rounded, so that the 

 " waist" o£ the skull is less marked than usual. 



Teeth about as in P. mimus. Outer incisor just equal to 

 the well-developed secondary cusp o£ the inner. P^ about 

 two-thirds the area of i^ ; canine and p* nearly but not quite 

 touching each other external to it. 



Dimensions of the type (measured on the spirit-speci- 

 men) : — 



Forearm 30 mm. 



Head and body 39; tail 30; ear 9; tragus on imier 

 edge 3, breadth 1'6 ; third finger, metacarpus 28*5, first 

 ])halanx 11 ; fifth finger, metacarpus 27'5, first phalanx 7'3; 

 tibia 11-5 ; hind foot 5-7. 



Skull : greatest length 11*3 ; median length 10 ; condyle 

 to front of canine 10'2; zygomatic breadtii 8 ; intertemporal 

 breadth 3"8 ; breadth of brain-case 6*3 ; height of brain-case 

 from basion 4"5 ; front of canine to back of m^ 3'8 ; front of 

 p^ to back of ?M^ 2*5. 



Hub. Assam. Type from Gauhati. 



Type. Adult female. B.M. no. 13. 3. 14. 1. Collected 

 by Mr. S. \V. Kemp. Presented by the Indian Museum, 

 Calcutta. 



This species, which equals the common Indian pygmy bat, 

 P. 7mvius, in the reduced extent of its tooth-row, dififers from 

 that, as from its other allies, by its unusually inflated skull. 



XVIII. — Ants from North and South- West Australia (^G. F. 

 Hill, Rowland Turner^ and Christmas Island, Straits 

 Settlements.— Fiwt II. By W. C. GrAWLEY, B.A. 



I. Subfam. FoNERiN^. 



Myrmecia sanguinea, Sm. 

 yallingup, S.W. Australia [Rowland Turner). ^ . 



Euponera [Brachyponera) Jutea, Mayr. 

 Yallingup. 



No. 89. Rhytidopomra, (s. str.)_^aya, sp. n. 

 o . — L, 8 mm. 



