1911-12.] Body Temperature of Diving and Swimming Birds. 31 
Table I.— continued. 
Rectal 
Temperature. 
Temperature 
of Air. 
Temperature 
of Water. 
May 5, 1909, 12.30 to 1 p.m 
o 
18° 
16°6 
Lesser blue bill duck ( Marilcc affinis) $ . 
41*6 
55 55 55 d * 
42-3 
55 55 55 d * 
42*6 
5 5 55 55 ^ * 
42*4 
November 25, 1909 ( snowstorm ), 2 p.m. 
0 
1-2 
Sawbill duck ( Merganser , species undeter- 
mined) £ 
41-4 
Sawbill duck {Merganser, species undeter- 
mined) 9 ..... 
41-7 
Table II. — Records of Body Temperature for each Species. 
Species. 
Number 
of 
Observa- 
tions. 
i 
j 
Maxi- 
mum. 
| 
Mini- 
mum. 
Mean. 
Storm petrel {Procellaria pelagica ) .... 
1 
• 
° 
39°80 
Cormorant ( Phalacrocorax carbo ) .... 
12 
40-3 
38 ; 9 
39-77 
Shag ( „ graculus ) . 
49 
41-4 
39-4 
40-38 
Razorbill {Alca tor da) ...... 
2 
41 -1 
39-9 
40-50 
Common guillemot ( Uria troile) .... 
12 
41-2 
39T 
40-33 
Black „ ( „ grylle) . 
24 
42 T 
39-8 
40 88 
Horned grebe ( Colymbus auritus ) . . . . 
1 
40-70 
Gannet or solan goose (Sula bassanct ) 
7 
42 '3 
40-3 
41-44 
Scoter duck (CEdemia nigra) . . 
2 
41-7 
i 40*9 
41-30 
Whistler ,, {Glangula clangula americana) . 
1 
40-40 
Black „ (Anas rubripes ) .... 
3 
41-5 
40-7 
41-03 
Wood ,, (Aix sponsa) ..... 
Lesser bluebill or scaup duck (Marilct affinis) . j 
1 
42-00 
4 
42-6 
41-6 
42-22 
Sawbill duck (Merganser — ?) 
2 
41-7 
41-4 
41-55 
Common gull (Larus canus) j 
8 
42 T 
40-9 
41-74 
Lesser blackback gull (Larus fuscus) 
3 
42T 
41-3 
41-67 
Herring gull (Larus argentatus ) 
1 
42-40 
Kittiwake (Rissa tridactyla) . . . . . 
16 
42-4 
39*9 
41-46 
