x 
4 
> 
-fhem a broader 
dy 
'IOIO 
Coulter and Thompson. 
nature, in similar circumstances, has al- 
ways produced similar or perfectly the 
same iiie (lites it 
e find the “xcientific thought 
‘oe see aa 
e 
into ne eo nce, teti Fain ae in kataas 
and time with a pre-existing, closely- 
allied apesi” EHO 
‘‘* Therefore, when we find identical 
oan in two different quarters of the 
globe, we believe the individuals in both 
fone to be descended from a common 
P. He 
parent.’” [Quoted without 
jerks) 
“Naturally we look to the north for 
this highway between the two continents 
[Eur d America]; for there is no 
very c men n Peis sia on the 
ver, having evi 
north 
mais of former iad elevation in high 
skys or Ts. Croll’s theo: 
to the ent of the pace s 
radius of the Pole.” 
nd with these pe [se- 
que, lip, e etc.] bone rey been pre- 
rved mu shrubs and 
Sw: 
in smdl pos 
land species, 
ar North. = as these immense 
called low- 
orm 
and all forms farther 
rs. survived i in ogg “we 
and by be w adaptation to climate 
and aw ed changes, which dot ¢ give 
field and more fa vieira 
better developmen’ 
Recent Literature. 
James. 
. “ Wallace has expressed it, 
coinciden 
I. 
oe Wallace, Contrib. to Nat. Selec, 
N. Y., 1871, p. 5.” ; 
hi Therefore, when we find identical 
T in two different quarters | of the 
globe, we believe the individ duals in both a 
Tocalities to be dese a common 
P. 51. 
parent.” 
«We may very reasonably s Ae 
— the warm period at the 
n was at a lower level than iti 
a land ager cogs 
e region lose 
North Pole is, as yet, a a inc 
e know “enough of it, however t 
found suitable homes 
plains of the no 
[The list given by Co 
son is not diyided in ay rat 
nort northwestern xi 
pies. pm entirely in the 
in swamps, marshes, and 
af 
g remaini ng [' 
‘The few hick “have b 
