— 5 — 
not obtained ; because in all my voyages, T have 
always collected easily in one day, 10 Reptiles, 
100 Insects, and W Shells, and sometimes much 
more. 
Reptiles may be sold with facility at one shilling 
each, the Insects at one pound sterling the hundred, 
and the Shells at two pounds the hundred; so that it 
would only be necessary to collect very few Crustaceous, 
Seeds, bright-coloured Insects, or any thing else, to 
obtain for them sum of £ 43 in order to arrive at the 
total of g 80 for the year. Therefore, if in fifty days you 
can obtain such a result, it is quite sure that any per- 
son who can dispose of all his time, will collect in the 
year objects of natural history worth £ 200, especially 
if he prepare Bird and Mammal Skins. 
But, in the first as in the second case, to obtain this 
result, it is necessary to attend exactly to my instruc- 
tions ; the value of collections depending especially on 
the way how to do them as well as the perfect state of 
their preservation. 
I invite all persons who intend collecting objects of 
