Table _ Blood Sera Samples Collected on Howland Island by the POBSP 
SIC 
# 1 
# 2 
# 3 
$ b 
# 5 
# 6 
# 7 
# 8 
March 
July 
Oct. 
Feb. 
July 
Oct, 
Feb. 
May 
Species 
1963 
1963 
1963 
1964 
1964 
1964 
1965 
1965 
Eed-tailed Tropicbird 
— — 
— — 
10 
Blue-faced Booby 
10 
mm mm 
10 
10 
10 
10 
10 
- - 
Red-footed Booby 
- » 
— 
10 
— 
1 
~ « 
- - 
— - 
Brown Booby 
— 
-. 
10 
10 
Great Frigatebird 
- _ 
mm mm 
10 
— 
10 
- — 
10 
26 
Lesser Frigatebird 
10 
— 
1 
M mm 
20 
50 
aea tarns 
50 
Gray-backed Tern 
— 
— 
— 
— 
— 
- - 
— 
— 
Sooty Tern 
25 
— 
■- 
40 
91 
80 
148 
Cat 
6 
— 
11 
Totals 
IfJJ)”)f 
51* 
20 
81 
151 
100 
224 
SIC 
# 16 
# 16 
# 17 
# 17 
# 18 
# 19 
Nov. 
Dec. 
JsiXL • 
Feb. 
Apr. 
July 
Species 
1966 
1966 
1967 
1967 
1967 
1968 
Red-tailed Tropicbird 
Blue-faced Booby 
145 
165 
110 
75 
Red-footed Booby 
25 
35 
10 
— 
Brow Booby 
— 
— — 
Ufca 
— 
Great Frigatebird 
— 
- - 
-- 
- - 
Lesser Frigatebird 
30 
— 
-. 
— 
Gray-backed Tern 
Sooty Tern 
— 
— 
80 
25 
Cat 
165 
2 
— 
Totals 
200 
200 
* 200 
100 
* Exclusive of cat sample 
# 9 
# 9 
# 10 
Sept. 
Oct. 
Nob. 
1965 
1965 
1965 
134 
* 
76 
8 
13 
2 
17 
3 
— — 
1 
ssesi mmm 
— — 
158“ Tog 
# 11 # 11 
#lla 
# 12 
Feb- 
Feb. March 
March 
May 
1966 1966 
1966 
1966 
(-) 
— — 
(132) 
100 
( 48) 
- - 
30 
( 9) 
- - 
2 
( 13) 
— 
mmm mm 
( ) 
-- 
20 
{ -) 
. - - 
■- 
( ~) 
— 
50 
( -) 
202 
202 
# 14 
=U= lb 
# 15 
# 15 
July 
1966 
Aug. 
1966 
Sept. 
1966 
Oct. 
1966 
113 
25 
125 
25 
97 
25 
125 
32 
26 
3 
25 
50 
25 
25 
50 
25 
195 
201 
200 
Totals 
( 10) 
(1457) 
( 255) 
( 50) 
( 75) 
( 315) 
( 664) 
2B26 
*Lacks April 1967 and July 1968. Clarification 
needed on sampling from SIC 11 and SIC 9 
