152 Captain T. Hutton on the 
was thickly covered with them, a thing which, although I have 
paid attention to this subject for the last twenty-five years, I 
never witnessed before, nor even heard of it. The eggs of other 
species will adhere, but to find those of the Bombyx Mori doing 
so is truly a novelty which betokens decided progress towards a 
healthier condition. 
There was likewise another indication of returning strength to 
be seen in the fact that, while ordinarily the male moths are so 
sluggish as to make no attempt to fly, many of those produced 
from my black stock left the trays and flew off to seek the females 
in a distant part of the room. This is one of the marked cha- 
racteristics of the wild moth of Bombyx Huttoni, which flies off 
from tree to tree for long distances when ‘on amorous thoughts 
intent.” 
But still more extraordinary appears the fact that some of the 
eggs of B. Mori of the spring crop of 1863 began to hatch again 
for a second crop on the 7th of August of the same year; these 
were all from the dark stock, and the circumstance, in itself per- 
fectly novel, arises, I am inclined to think, from an accession of 
strength acquired by reversion to a state approaching more nearly 
to the original constitution. 
The hatching continued throughout August, and occasionally 
even tothe 23rd of September, when, fearing that my supply of 
leaves might fail, the eggs were removed to a temperature below 
70° Fahrenheit in order to check the hatching. 
The worms now hatched continued to grow and thrive, and spun 
good cocoons superior in size to those of the spring crop, the 
worms attaining to 3,4, inches in length, In due time the moths 
appeared and were fully twice as large as those of spring, de- 
positing large well-formed eggs. In the beginning of December, 
to my dismay, more worms were hatched from the spring batch, 
and continued to come forth throughout the month at the rate of 
40 or 50 daily in a temperature of 53° Fahrenheit, when, having 
no more leaves upon the trees, I was compelled to place the re- 
maining eggs out in the open air at night in order that the sharp 
hoar frosts might effectually put a stop to any further hatching. 
All these worms were of the dark kind, and no white ones now 
appeared among them as in the spring; indeed from the white 
stock only three worms were produced and these came to nothing. 
This circumstance, so thoroughly unusual with Bombyx Mori, I 
attribute entirely to an accession of health and strength in the 
black worms, which are evidently now in a transition state, which 
may account in some measure for their hatching out of season, so 
