K. I TE OF RESPIRA TION IN DIFFERENT ANIMALS. 753 
Cubic 
C'entii . 
Cubic 
Inches. 
Complemental air .... 
Tidal air ..... 
Reserve or supplemental air . 
Residual air . 
1700] Vital 104] Vital 
300 - capacity, IS r capacity, 
1500j 3500. 91 J 213. 
1000 (31 
Hyperpncea, dyspnoea, asphyxia, apncea, and Cheyne-StoTces' respira- 
tion. — These different conditions are considered elsewhere in this work. 1 
The rate of respiration in different animals. — Numerous observa- 
tions upon the rapidity of the respiratory movements in different animals were 
made by Paul Bert, 2 and the following table gives results obtained chiefly by 
him : — 
X umber of 
Animal. 
Respirations 
per Minute. 
Remarks. 
Observer. 
Mammals — 
Monkev .... 
19 
Quiet. 
Paul Bert. 
Tiger . 
6 
; , 
. , 
Lion 
10 
, 
> j 
Cat 
24 
, 
jj 
Dog . 
15 
Ox 
30 
j 
Robertson. 3 
Rabbit . 
55 
Paul Bert. 
Rat, black and white 
210 
> 
., 
Rhinoceros . 
6 
Drowsy. 
,, 
Horse . 
10-12 
Quiet. 
:) 
Birds — 
Condor .... 
6 
>» 
,, 
Pelican 
4 
,, 
,, 
Cock . 
12 
Lying down. 
,, 
Dove 
30 
Quiet. 
,, 
House-sparrow 
90 
,, 
,, 
Canary 
100 
>> 
?: 
Reptiles— 
Rattle-snake .... 
5 
J? 
? j 
Lizard ..... 
12 
» 
j j 
Fishes — 
Skate (Raia batis) . 
51 
,, 
Lafont. 4 
Dogfish 
40 
j> 
Perch . 
30 
,, 
Paul Bert. 
Sole . 
34 
,, 
Lafont. 
Conger-eel 
10 
Quiet ; length of 
Paul Bert. 
animal, 1 metre. 
.... 
25 
Quiet ; length of 
animal, 50 cm. 
>> 
Crustaceans — 
King-crab (Limuhis) 
12 
Moving. 
>) 
Molluscs — 
Poulp ..... 
28 
Quiet. 
J> 
Cuttlefish .... 
45 
Lafont. 
Squid ..... 
65 
" 
Paul Bert. 
1 This article, pp. 743, 765 ; also "Mechanism of Respiration," this Text-book, vol. ii. 
- "Lecons sur la phvsiol. comp. de la respiration," Paris, 1870, p. 393. 
s Veterinary Jownud, London, 1885, vol. xx. p. 311. The rate of respiration in 250 
animals varied from 11 to 106 per minute. 
4 Quoted by Paul Bert, loc. cit. 
VOL. I. — 48 
