18 E. LÖNNBERG. PATAGONIAN BCORPIONS. 



The number of comb-teeth La only 21, thua considerably 

 less tlian in the typical B. ebrenbergi. 



Total length l<> mm. (Truncua cauda). 



Bracbiosternua ehrenbergi is a western form troin Chili, 

 Peru and the western parte of A.rgentine. B alienua Beema 

 to 1"' eastern (or south-eastern) as it is found on the easl 

 coaal of A rgentine. 



All three species belong to the family Bothriuridae whicb 

 is characteristic for the southern parta of South America and 

 thus they certainlv are indieenous. 



