rsrARALLELED MENTAL OPERATIONS.

Correspondence Of The Tribune.
{"newspaper_name": "New-York daily tribune.", "edition": "01", "page": "p2", "byline": "Ba,curos. Feb'ry 18th."}
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SRtGHToS. 90 rt tstii, LS''.


The following unparalleled mental operations IN
Ar;;hmetic. By Mr.. Abram Hagaman OF Brighton,
Monroe Co y Y have been thought 50 eHiFas'di-
nary and remarkab.e that the writer would most
respectfully solicit place for them IN The Tribune.
The following are the muitiplicatons mentally per-
formed by Mr II or in his head, as the common
phrase is. selected with much care and attention,
viii particular reference ~ the tine o performing
each: ~,


2nd-g75S2I4 x 254567S=2 81. .sS9. 9.5s9 VS2


4625l25=2 $50. .22713 9Si S2l.ol5.


,,S-l93iSi1S9x < l2Si67S9 liz. 2il. 57S. 80. ieO.
5ih-96l5a 1l6x 425Sssltl=ic s27 476 Sil,7 7eS.
IA 3O4. ..,.. .,e, o,- CO., -c.
202.6f7 26i. .c, -oo ,,,


7th-9 l421J23675 x lclSZt25oli = iOV' $50 - L.
0's s,b-sSl532 h iGS5lox 5Si. SO 26l.


9tbN6Is72Sll696Sx X 42ls7J625l25 = rs 6S2 7C6.
4+l rs 657 l2l 000.


The lst 2;l, Sd and ih OF these examples Ee ac-
compished IN from one and halt 10 two hours. Inc
5,h. 9Th. 9TH and Slh examples from two TO threc
hours. The Oh example he actually accomplished
in less than one horr. owln- 10 thetavoraole nature
of the multiplier (i2lS1j625l25). Here It Will De
seen that Mr.. IL has multiplied II places oi hsuEeS
by II places, showing most powerful slcnSta u
Of memory 10 carry out and retain result ct such
vast magnitude ''ia the head" alone, This. we
believe, is the greatest mental accomplishment IN
numbers on record Coburn, IS SAID IN hs Gssl n
DAYS. could multiply but five or SIX. Air; H. mas
r;yen his attention mostly 10 mathematical studies
for more than 50 years, in solving abstEgss and
difficult questions in the various branches OF Maihe'
mates. though was but very recently that nc com
menced his mental operations Huving nos long
since seen n published in the n Y. Tribune an ac-
count OF remarkable boy. 10 Vermont, who, It is
said, could multiply five places OF figures by nye
places; this induced Mr. II. 10 try his mental
bower, bowers, the result OF which is seen in part above
Mr. IL has been an invalid for the last ii years OF
his life, duriag which time he has been conilned 10
his room vet so strong is his attachment to nahe;
ma,cal studies that his friends scarcely prevail
upon him 10 torcgo it even for one day


That this account is not exaggerated, but strictly
and substantially true in all lis PARTICULARS many IN
his vicinity, having SO often and repeatedly witness
ed mis- mental operations, would most readily tcS-
,ify. Respectfully, yours, &c. r. MLroN.