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Mode of Generation of the Kangaroo. 
respecting the breeding of the kanguroo, from those who have 
resided in New South Wales, are the following. That they 
breed at all seasons ; that the female has never been known to 
have more than a single young one at a time, and is seldom 
found without one. That the young remains in the false belly, 
or goes into it occasionally, and sucks the mother a long time 
after it appears capable of procuring its own food ; and yet if 
the mother is closely pursued, in attending to her own safety, 
she forces the young out of the false belly, if it has arrived at 
a sufficient age to be covered with hair, although incapable of 
making its escape. 
There are two male and several female kanguroos at the 
royal menagerie at Richmond, and two or three of the females 
have bred since they came there. I have visited them at dif- 
ferent times, with a view to obtain further information upon 
this subject, but have been able to do little more than confirm 
what has been already related. 
None of them have had a young one oftener than once in 
twelve months ; and the young appears to be nine months old 
before it leaves off entirely sucking the mother. One of the 
females bred at Richmond had a young one in the false belly 
when only about a year and half old. The young, after it is 
excluded from the false belly, and another is deposited in it, 
continues to put in its head and suck for a month or two. 
When the female is in heat, the males have no jealousy re- 
specting one another ; for a female having been covered by 
one of the males when the other was present, went directly 
and was covered by the other. 
The male is reiromingent ; but when the penis is erect it 
changes its direction, and comes forwards, as in most other ani- 
