SVENSKA EXPEDITIONEN TILL MAGELLANSLÄNDERNA. BD II. N:0 3. 45 



ON THE SCORPIONS 



OBTAINED DURING THE SWEDJSB EXPEDITION TO TIEKRA 

 DEL FÜEGO 1895 



DR E. LÖNNBERG. 



The ibllowing Scorpions were collected by Dr A. Ohlin 

 during the Swedish expedition to Tierra del Fuego 1895 under 

 the direction of Dr Otto Nordenskjüld: 



Urophonius brachycentrus (Thorell). 



5 specimens ( u /u 95) Santa Cruz, sandy places under stones 



and düng, common . 

 fi specimens ( 16 /n) Puerto Grallegos, sandy places. ander stones 



and dnng, common». 



They agree with the description given by Kr.epelin. 1 

 There are however some differences. The upper keels of the 

 four proximal candal segments are plainly conspicuous. On 

 the lower surface of the first caudal segment of his specimens 

 KRxEPELiN has observed in der Kegel grobe Buekel welche in 

 eine oder zwei Querreihen angeordnet sind». I have not seen 

 such Buckel in transverse rows but the usual longitudinal 

 keels are perfectly developed and granulär. In the second 

 segment I also find the keels normally, although less strongly, 

 developed, but in the third more or less obsolete, and in the 

 fourtb entirely absent. The number of comb-teeth is also r 

 as a rule, larger in these specimens than in those Kr.epelin 

 has deseribed. I have observed such a small number as 1& 



1 Revision der Scorpione 11. .Lihrb. Bambxirg. wiss. Anstalten XI„ Jahrg. 

 1893, 1894 p. 221. 



