42 Director's Report for rgro. 
miles inland on the Kaiserin Augusta River, N. W. German New 
Guinea. Mr. Frech, who has traded for many years on the New 
Guinea coast, says that he has not seen them in the possession of 
the coast natives. 
4. RINGED STONE MORTAR. 
According to Mr. J. C. Bridwell, they are the prothoraces, 
elytra and femora of two species of Buprestid beetles, probably of 
the genus Chalcophora. Iu Fig. 3 are shown: B 1220, a complete 
string of the elytra; B 1221, half a string of the femora; and B 1219, 
part of a string of the prothoraces. ‘Their beautiful iridescence, 
the dominant brilliant green changing to old gold, was the cause of 
the levy on the insects for their glittering coverings. In Nos. 1219 
[234] 
