TABLE
2.1.
Continued
Vl
Audible
Basilar
0
Animal
frequency
membrane
Quter
Basal
Basal
Apical
Apical
Basal
Apical
Common
weight
range
Cochlear
length
lamina
thickness
width
thickness
width
ratio
ratio
tl
Species
name
(kg)
(kHz)
type
Turns
(mm)
(mm)
(11m)
(11m)
(11m)
(11m)
(t/w)
(t/w)
?o
Megaptera
Humpback
30.000
-
M
2.0
60.1
-
7
125
2
1,300
0.056
0.0019
;;0:::
novaeangliae
whale
~
0
Bos taurus
Cow
500
0.14-22
T
3.5
38.0
::s
-
-
-
-
Cavia porcella
Guinea pig
0.5
0.2-45
T
4.25
18.5
-
7
70
2
245
0.106
0.0082
Chinchilla
Chinchilla
0.8
0.09-25
T
3.0
18.5
15
248
6
310
0.061
0.0177
langer
Dipodymus
Kangaroo rat
0.05
0.1-25
Sb
3.5
9.8
-
9
100
46
254
0.086
0.1827
marriami
Elephas
Elephant
4,000
<0.2{}-5.7
T
2.25
60.0
maximus
Felis domesticus
Cat
2.5
0.125-60
T
3.0
25.8
t
12
80
5
420
0.150
0.0119
Homo sapiens
Human
75
0.13-16
T
2.5
33.5
-
150
-
504
Meriones
Gerbil
0.05
0.25-45
T
3.25
12.1
-
10
100
35
250
0.100
0.1400
unguiculatis
Mus musculus
Mouse
0.01
5-60
T
2.0
6.8
-
15
40
1
160
0.363
0.0063
Phoca villliina
Seal
50
0.49-58
A
2.25
Rattus
Rat
0.2
1-59
T
2.2
10.7
-
18
80
2
250
0.300
0.0106
norvegicus
Spalax
Mole rat
0.08
0.1-10
Sb
3.5
13.7
-
9
120
18
200
0.075
0.0900
ehrenbergi
Myotis lucifugus
Little brown
0.007
12.5-100
iE
2.25
6.9
bat
Pteronotus
Mustached
-
16-100
iE
2.75
14.3
,
22
50
2
110
0.440
0.0182
parnellii
bat
Rhinolophus
Horseshoe
0.02
7-90
iE
3.25
16.1
,
35
80
2
150
0.438
0.0133
ferrumequinum
bat
* Numbers shown are averages of available data for species with multiple reports.
Width
=pars arcuata and pectinata; thickness
=pars pectinata maximum; t
Outer osseous lamina present, length unknown; I
=aquatic, peak spectra >100 kHz; II
=aquatic, peak
spectra < 90 kHz; M
=aquatic, peak spectra <2 kHz;
iE
=reolian >20 kHz; Sb =
fossorial; T
=terrestrial; A
=amphibious.
Data compiled from Schevill 1964; Wever et a!. 1971a, b; Firbas 1972; Pye 1972; Bruns and Schmieszek 1980; Norris and Leatherwood 1981; Ketten 1984, 1992, 1994; Ketten and
2.1.
Continued
Vl
Audible
Basilar
0
Animal
frequency
membrane
Quter
Basal
Basal
Apical
Apical
Basal
Apical
Common
weight
range
Cochlear
length
lamina
thickness
width
thickness
width
ratio
ratio
tl
Species
name
(kg)
(kHz)
type
Turns
(mm)
(mm)
(11m)
(11m)
(11m)
(11m)
(t/w)
(t/w)
?o
Megaptera
Humpback
30.000
-
M
2.0
60.1
-
7
125
2
1,300
0.056
0.0019
;;0:::
novaeangliae
whale
~
0
Bos taurus
Cow
500
0.14-22
T
3.5
38.0
::s
-
-
-
-
Cavia porcella
Guinea pig
0.5
0.2-45
T
4.25
18.5
-
7
70
2
245
0.106
0.0082
Chinchilla
Chinchilla
0.8
0.09-25
T
3.0
18.5
15
248
6
310
0.061
0.0177
langer
Dipodymus
Kangaroo rat
0.05
0.1-25
Sb
3.5
9.8
-
9
100
46
254
0.086
0.1827
marriami
Elephas
Elephant
4,000
<0.2{}-5.7
T
2.25
60.0
maximus
Felis domesticus
Cat
2.5
0.125-60
T
3.0
25.8
t
12
80
5
420
0.150
0.0119
Homo sapiens
Human
75
0.13-16
T
2.5
33.5
-
150
-
504
Meriones
Gerbil
0.05
0.25-45
T
3.25
12.1
-
10
100
35
250
0.100
0.1400
unguiculatis
Mus musculus
Mouse
0.01
5-60
T
2.0
6.8
-
15
40
1
160
0.363
0.0063
Phoca villliina
Seal
50
0.49-58
A
2.25
Rattus
Rat
0.2
1-59
T
2.2
10.7
-
18
80
2
250
0.300
0.0106
norvegicus
Spalax
Mole rat
0.08
0.1-10
Sb
3.5
13.7
-
9
120
18
200
0.075
0.0900
ehrenbergi
Myotis lucifugus
Little brown
0.007
12.5-100
iE
2.25
6.9
bat
Pteronotus
Mustached
-
16-100
iE
2.75
14.3
,
22
50
2
110
0.440
0.0182
parnellii
bat
Rhinolophus
Horseshoe
0.02
7-90
iE
3.25
16.1
,
35
80
2
150
0.438
0.0133
ferrumequinum
bat
* Numbers shown are averages of available data for species with multiple reports.
Width
=pars arcuata and pectinata; thickness
=pars pectinata maximum; t
Outer osseous lamina present, length unknown; I
=aquatic, peak spectra >100 kHz; II
=aquatic, peak
spectra < 90 kHz; M
=aquatic, peak spectra <2 kHz;
iE
=reolian >20 kHz; Sb =
fossorial; T
=terrestrial; A
=amphibious.
Data compiled from Schevill 1964; Wever et a!. 1971a, b; Firbas 1972; Pye 1972; Bruns and Schmieszek 1980; Norris and Leatherwood 1981; Ketten 1984, 1992, 1994; Ketten and