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Page. 



Alypia ociomaculala, prey of Calosonia sijcophanla 34 



Ik'ech, food plant of Hetcrucampa guttiritta 72 



Beefsteak, feediiiii; to Calo8oina beetles, results 56 



Beetles {see also Calosoma and Carabiis). 



predaceous, equii)ment 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 chrysorrh(xa), prey of Calosoma inquisitor 7 



Calosoma sycophanta 7, 34 



Burla])ping trees, use in securing data on Calosoma beetles 76 



Cage for assembling experiments with Calosoma beetles 57-58 



Cages for hibernating Calosoma sycophanta ])eetles 17-18 



rearing Calosoma sycophanta larvie, 1907 10-17, 43-44 



wintering Calosonia sycophanta beetles '. 51 



pupse 46 



Callosamia promethea, prey of Calosoma sycophanta 34 



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



Iteetles (see also Calosoma sycophanta). 



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



frigidum, attraction to light : . 05 



inquisitor, enemy of gipsy and brown-tail moths 7 



importations from Europe 8-9 



scrutator, attraction to light 65 



comparison with C. sycophanta 09 



orossbreeding with C. sycophanta, experiments 64 



shipment to lal:)oratory 10 



sycophanta, beetle, assembling experiments 57-59 



attraction to light 05 



drowning experiments 05-07 



emergence in spring 48 



feeding experiments 53-56 



habits 52-55 



with caterpillars from poisoned foliage, 



results 55 



diseased gijisy moth caterpillars, 



experiments 55 



food 53-55 



hibernation experiments 51 



length of feeding j)eriod 52-53 



life 07-09 



when submerged in water 05-66 



mortality during hibernation 50-51 



packing for shipment 9-12 



rearing, results 21-22 



removal from hibernation, effect 52 



size in relation to reproduction 02-03 



starvation ex])eriments 50-57 



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



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

 Ma.ssachusett9 (alphabeticallv by 



towns) ' 78-88 



record of two liberated in Massachusetts 77-78 



91 



