I N D E X. 



Page. 



Alyvia octomaculata, prey of Calosoma sycophanta 34 



Beech, food plant of Heterocampa guttivitta 72 



Beefsteak, feeding to Calosoma beetles, results 56 



Beetles {see also Calosoma and Carabus). 



predaceous, equipment for rearing 15-19 



methods of rearing 20-22 



packing for shipment 9-12 



Boxes, kinds used for shipping Calosoma beetles 9-10 



Brown-tail moth {Euproctis chrysorrhcea), prey of Calosoma inquisitor 7 



Calosoma sycophanta 7, 34 



Burlapping trees, use in securing data on Calosoma beetles 76 



Cage for assembling experiments with Calosoma beetles 57-58 



Cages for hibernating Calosoma sycophanta beetles 17-18 



rearing Calosoma sycophanta larvae, 1907 16-17, 43-44 



wintering Calosoma sycophanta beetles 51 



pupae 46 



Callosamia promethea, prey of Calosoma sycophanta 34 



Calosoma and allied genera, importations from Europe and Japan 8-9 



beetles (see also Calosoma sycophanta). 



mortality in transit 8, 9, 10, 11, 12 



frigidum, attraction to light 65 



inquisitor, enemy of gipsy and brown-tail moths 7 



importations from Europe 8-9 



scrutator, attraction to light. . 65 



comparison with C. sycophanta 69 



crossbreeding with C. sycophanta, experiments 64 



shipment to laboratory 10 



sycophanta, beetle, assembling experiments 57-59 



attraction to light 65 



drowning experiments 65-67 



emergence in spring 48 



feeding experiments 53-56 



habits 52-55 



with caterpillars from poisoned foliage, 



results. 55 



diseased gipsy moth caterpillars, 



experiments 55 



food 53-55 



hibernation experiments 51 



length of feeding period 52-53 



life. 67-69 



when submerged in water 65-66 



mortality during hibernation 50-51 



packing for shipment 9-12 



rearing, results 21-22 



removal from hibernation, effect 52 



size in relation to reproduction 62-63 



starvation experiments 56-57 



colonies in the field, methods of securing data therefrom. 75-77 

 liberated in Maine (alphabetically by towns).. 88-89 

 Massachusetts (alphabetically by 



towns) 78-88 



record of two liberated in Massachusetts 77-78 



91 



