24 NORTH AMERICAN INSECTS. 



Count Dejean has written many volumes describing only 

 their different forms. 



Figure 4. Figure 5. 



Green Caterpillar-hunter. Red-spotted Caterpillar-hunter. 



The handsome CATERPILLAR-HUNTERS (Calosoma scruta- 

 tor, Fig. 4, and (7. calidum, Fig. 5) belong to the same 

 family. I have given them this name because they may 

 be seen every morning and evening upon the branches of 

 trees, looking out for caterpillars and devouring them. 



The real Carabi, which these animals resemble, are also 

 distinguished by the same carnivorous habits, by their mag- 

 nificent colors, and by generally being found under stones, 

 or running swiftly over the sandy soil, on which latter ac- 

 count the Germans called them Sandldufer (Sand-runners). 

 The countries of Europe produce a greater variety of these 

 animals, principally in the Alps and all other mountainous 

 regions ; and the splendid, blue-colored, large Carabus (Pro- 

 crustes violaceus) still brings to my mind the most pleasing 

 recollections of the disinterested hospitality and affectionate 

 kindness of the Tartars who dwell in the lovely Peninsula 

 of the Crimea. It was in the month of June, 1825, that I 

 visited that delightful country. The romantic valley of 

 Baidar, covered with luxuriant and variegated flowers, and 



