ANNUAL RINGS IN SCALES. 475 
ERREBeSeeaSs ERR Ee i 
me ea SST a a a aE a ed 
ee FS 
2s ee 05 SS a le a 
BBE RRR RARS eS 
BE 
: 
ti 
Vas 
a 
as 
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ia 
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cre 
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MS 
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alata 
pe 
ah 
sae 
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a 
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; 
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| 
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f 
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Seer 
i 
fit 
ro 
aie 
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ail 
Sh 
fa 
va 
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y 
i 
A 
al 
Pe oteaee 
ee 
ana 
—| 
rte 
San 
a 
‘a 
PI 
HE 
, 
i 
i 
mS 
‘ 
=f 
: 
fe 
ae 
2 
E 
i 
i 
ra 
is 
id 
fa 
Te Teale 
Peal 
Cae seta 
| i 
see 
va 
em a a era 
ae Gas 
wy, 
| | 
aCe 
DI 
| 
iit 
r 
Ht 
& 
Ke 
Al | At 
(J 
NE. 
N 
G 
N 
fe 
ee 
: 
EECEENE 
HERE 
ie 
: 
. 
i 
i 
HAL 
Sacek 
cle 
HEIL 
i 
a 
= 
MPAA) 
ae 
es 
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LN 
ass 
fl 
faa 
; 
lela 
am 
«ip asaRESERe 
Wo JSS SeeeezeaeEee 
Jose eam Sa eSseaeaes 
Fre. 4.—Curves from the sclerites of 4 and 5 year old fish. The letters refer to those given 
in Table I; the numbers indicate the successive winter zones of growth. 
COR 
aCe 
| 
16 
14 
4 
4 
2 
B 
6 
4 
2 
i 
