ERIC MJ OBERG, ISOPTERA. 



15 



the angles with three fairly deep impressions, one in the 



middle and two small ones at the sides a little behind the 



anterior margin, and two small transverse impressions in the 



middle near the posterior margin; meso- and metathorax 



not so broad, with a trans- 



versal impression on each 



side near the lateral margin ; 



legs short and robust, femora 



incrassated, tibiae short, with 



three darkly coloured apical 



spines, claws dark-brown ; 



abdomen rather broad and 



rounded with a median 



transparent line and a spöt 



on each side near the sides; 



cerei and styli very short. 



Measurements: Length 

 of body (with jaws) 13 mm, 

 length of head with jaws 7 

 mm, length of head without 

 jaws 4,6 mm, breadth of 

 head 3,5 mm, length of pro- 

 thorax 1,6 mm, breadth of 

 prothorax 3,i mm, breadth 

 of abdomen 4,9 mm. 



Worker. Body broad and 

 stout as in the soldier, dull 

 white, head a little more yel- 

 lowishjtipsof jaws andatrans- 

 versal frontal band on the ba- 

 sal part of cly peus dark- black, 

 the apical part of clypeus 

 distinctly set off, hyaline, la- 

 brum rounded convex, semi- 

 transparent; antennae of simi- 

 lar shape and form as in 

 the soldier, at least 17- 

 jointed, head rounded, vertical, jaws broad triangulär," with 

 two distinct teeth at the tip and a very obtuse undistinct 

 one immediately below the second one, slightly asymmetrical ; 

 prothorax much broader than long, anterior margin slightly 



Text Fig. 5. Galleries in a jungle tree of 

 Galotermes malandensis Mjöb. n. sp. 

 At the base a cross-section shows 

 the galleries. , 



