24 NORTH AMERICAN INSECTS. 
Count Dejean has written many volumes describing only 
their different forms. 
Figure 4. Figure 5. 

Green Caterpillar-huntez. Red-spotted Caterpillar-hunter. 
The handsome CATERPILLAR-HUNTERS (Calosoma scruta- 
tor, Fig. 4, and C. 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 Sandlaufer (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 
