The morning Astorian. [volume] (Astoria, Oregon) 1899-1930, 1901-08-17
MONKEY INrELLIGENcE.

;eli!sence ot monkeys;
\ series %, experiments 20 solve his
!-,eres,.ng problem has recently been
made oy Pro- Edward l. rhornilSs,
who. In an article contributed {, yhe
July numbe- ~ The Popular Science
Mon;Aiy describes bis methods and ;hr
results obtained as follows:
. ! had one monkey yar aver a year
and ;wo others lor ahou, t1ur months
! Al ,h-e' wera 20, ,h, genuine ''hus
Boxes 1hlu. q foot square were made
wish small doors Hei by aO SORES NJ
c'n'r.vlncrs. For Instance. ono was
held by a hook. lao,her by a bar ou-
other by a b'.;. another hy a wire ls-
tened firmly a. Hns sIle and wound
r'uni nan q, 30 sni.
"A h.. ~ f''l was pu, .us.je urhI
box and The door % ,Aa box 'et open
The box was 'h'u pa, inside ony ot ,ho
large cages continuing monkey u
would come down reach INFO ;he box
1r3 er, De f5ol.
'A,.e- this had been repeated Few
times the box would bs pur INTO ,he
cage, with i's door shu. The monkey
Nigh, Try 90 &, In "a before H.
might chance 20 operate ,he simple
mechanism tina; held the door
III however. he dil no: succeed "
his own Impu'siye ACTIVITY ! would show
him or pa. him through 'h' movement
a few times and then leave him 90 him
self again 90 see II he had proh,ed by
The tuition.
The general rsul, was tha, they ill
no; profit by rha ,u,ign. tha, they lld
no, gain and use Ideas of how 90 open
the doors hu, learned anly hy process
% selecting from ,heI- own impulses
In order -hlt such experiments shall
d. valid .ests " the workings Of an
animals mnl. ), ls necessary thl, h.
surely desires 90 g; INTO t1e box. hat
he b. n)t disturbed hy Tho surroundings
in any way tina. win ll;ar his mental
efficiency. AMI ,1a' The eNperImcn.rr o.
able O. handle him easily without
frightening him or taking h.s attention .
away f-m On" box.
IN an cases ,t IS further necessary
10 make such th1. the monkay s.as you /.
perform 'he ar.s You aYprc' him 20 lm- |
tate. ana saa- and feels himself max. .
the movements You put him through. |
"Thesa das.d.rl:a We're obtained by |
testing the monkeys when hungry and .
using bits of food u which they We're .
especially f1nl as me attraction: by ex-
periment.ng Ni,h them after they were
quito used o. their habitat and 10 my
presence. by getting them in,p the habI.
of coming to me AMI enjoying being
handled, having their paws taken. etc..
by showing hem the act or putting
them through /; only when they were
attending 20 the box.
The systematic experiments designed
to detect the presence u ability 10 learn
from human beings We're practically
against IL. So TOO. was the
general behavior Of the monkeys, though
did no. consider the failure % the anil
nals to initiate common humln acts as.I
II much importance save "a a rebuke
o the story-tellers and casual observers.
THE fact that monkeys do nor pos
'ess the human type OF ideas must not
De taken az evidence that they are not
nearer relatives 10 us mentally than are
he other lower animals. On the con-
rary, they occupy an intermediate posi-
ion In every main psychological feature ,
between mammals in general and the
human species.
I'm point OF sense powers they rely
title On smell and much on vision. They
,ossess the power Of clear, detailed WIS.,