308 OBSERVATIONS ON THE 
Epeira, Thomisus, Dolomedes, Lycosa, Hecaérge, Sal- 
ticus, &c., in the precise situations, and under the 
same ‘circumstances, apparently, in which they have 
been left by their former. occupiers, I am thoroughly 
persuaded that the process is a very uniform one. 
Recent observations establish the fact that the 
number of times spiders change their integument 
before they become adult is not uniformly the same 
as regards every species. A young female Epetra 
calophylla, disengaged from the egg on the 30th of 
March, 1843, moulted on the 8th of the ensuing 
month in the cocoon, which it quitted on the Ist 
of May, moulting again, in the same year, on the 
Ath of June, the 22nd of June,.the 12th of July, 
and the 4th of August, respectively, when it arrived 
at maturity, having cast its skin five times. 
An egg of Lpetra diadema hatched on the 14th 
of April, 1843, produced a female spider, which 
moulted in the cocoon on the 24th of the same 
month; on the 3rd of May it quitted the cocoon, 
and moulted again on the 21st of June, the 10th 
of July, the 3rd of August, and the 23rd of August, 
in the same year. On the 28th of February, 1844, 
it died in a state of immaturity after having com- 
pleted its fifth moult. 
On the 27th of June, 1842, an egg of Tegenaria 
civilis produced a female spider, which underwent 
its first moult in the cocoon on the 10th of the 
ensuing July: quitting the cocoon on the 21st of 
