35 
No. 58. Infection of plant-lice; spores of second remove; kept 
in breeding-cage on damp earth. First dead in six days, all dead 
in eight days, most 'of them covered with Sporotrichum. In check, 
all dead, but without fungus. 
No. 48. Infection of caterpillars (Hemaris); spores of the fifth 
remove; kept in breeding-cage. First larva dead in six days, 
Sporotrichum showing externally in eight days. In nine days all 
dead but one. No loss in check. 
No. 37. Infection of two hundred fall web-worms, spores vary¬ 
ing from second to fifth remove. Kept in breeding-cage. First 
caterpillar dead in eight days; first external fungus in nine days. 
In thirteen days nearly all dead, and most of them with external 
fungous growth. No Sporotrichum in check. 
No. 66. Infection of plant-lice; spores two removes from insect. 
In nine days all dead with Sporotrichum. None dead in check. 
No. 55. Infection of four caterpillars (Hemaris); spores at 
three removes. Kept in breeding cage. All dead in ten davs, 
with Sporotrichum on one. In twelve days all with external 
growth. Check without loss. 
No. 49. Infection of miscellaneous insects with spores at five 
removes. Kept in breeding-cage. Grasshoppers beginning to die 
in four days, and in eight days nearly all dead. First external 
growth of Sporotrichum on the tenth day, increasing to the thir¬ 
teenth and tweuty-fourth. 
No. 67. Infection of eight Cecropia moths with original Thax- 
ter spores, one remove from insect. Kept in breeding-cage on 
damp earth. Two dead in two days; all dead in seven days; 
first Sporotrichum growing externally on the lltli day. Moths of 
check also dead in fortnight, but without Sporotrichum. 
No. 51. Infection of sixty caterpillars (Ilatana) with spores of 
fifth remove. Specimens in breeding-cage. Two dead in four days; 
seventeen in five days; Sporotrichum growing internally. In seven 
days first external growth; in nine days all dead but one; and in 
fifteen days nearly all covered with Sporotrichum. In the check 
lot two died in the meantime, but without appearance of fungous 
disease. 
No. 38. Infection of fall web-worms by enclosure in infected 
breeding-cage. First dead with Sporotrichum in seventeen days; 
no further development. 
Nos. 62 and 63. Like 58, but with only a slight appearance of 
Sporotrichum. 
The remaining five numbers gave only negative results. 
No. 73. Infection of potato beetles (Doryphora) with spores of 
two removes. Fungus scarcely ripe. 
No. 74. Infection of crickets; spores from same source as in 73. 
No. 42. Infection of tomato worms (Protoparce); spores of 
fourth remove. 
No. 5. Infection of June beetles; spores from Disonycha. 
No. 69. Infection of cabbage worms; spores of second remove; 
kept outdoors. 
I 
