ARACHNIDA. SCORPIONIDA 



351 



Fig. 150. Ventral view of an Indian Scorpion, Scorpio swammerdami. 

 1, chelicera ; 2, pedipalp ; 3, 4, 5, 6, walking-legs; 7, genital oper- 

 culum ; 8, pectines ; 9, 10, 11, 12, the four right stigmata leading to 

 the lung-books ; 13, first segment of metasoma ; 14, fourth segment 

 of metasoma ; 15, tail-spine. (From Shipley and MacBride.) x §. 



