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TABLE 4.  Descriptive statistics for total length (L) and selected ratios from the m1s of Microtus paroperarius from selected Irvingtonian faunas.  Abbreviations: A, length of anteroconid complex; B, width of opening between triangles 5 and 6; C, width of opening between triangles 4 and 5; W, distance between triangles 4 and 5.  Data for Sunbrite, Conard Fissure, and Cumberland Cave from 
Van der Meulen (1978); for Trout Cave #2 from 
Pfaff (1990); for Hall Ash Pit from
Eshelman and Hager (1984)..
 
Local Fauna
 
N
 
X
 
SE
 
sd
 
Range
 
parameter
 
Fiene
 
14
 
2.81
 
0.04
 
0.14
 
2.50-3.01
 
L
 
Hall Ash Pit
 
9
 
2.8
 
  
  
2.63-2.97
 
  
Sunbrite
 
46
 
2.79
 
0.02
 
0.14
 
2.41-3.10
 
  
Conard Fissure
 
5
 
2.73
 
0.08
 
0.17
 
2.61-3.01
 
  
Trout Cave #2
 
17
 
2.89
 
0.06
 
0.25
 
2.51-3.39
 
  
Cumberland Cave
 
60
 
2.74
 
0.03
 
0.19
 
2.39-3.21
 
  
  
  
  
  
  
  
  
Fiene
 
14
 
48.25
 
0.66
 
2.45
 
43.7-52.5
 
A/L
 
Sunbrite
 
46
 
48.2
 
0.28
 
1.92
 
43-52
 
  
Conard Fissure
 
5
 
48
 
0.71
 
1.58
 
46-50
 
  
Trout Cave #2
 
17
 
49.2
 
0.5
 
2
 
45.5-52.2
 
  
Cumberland Cave
 
60
 
48.5
 
0.23
 
1.76
 
45-54
 
  
  
  
  
  
  
  
  
Fiene
 
13
 
16.49
 
0.93
 
3.36
 
11.2-21.4
 
B/W
 
Sunbrite
 
51
 
17.5
 
1.02
 
7.29
 
<5-35
 
  
Conard Fissure
 
3
 
17.3
 
1.45
 
2.52
 
15-20
 
  
Trout Cave #2
 
17
 
16.1
 
1.4
 
5.7
 
5.9-25.2
 
  
Cumberland Cave
 
66
 
19.2
 
0.83
 
6.73
 
<5-36
 
  
  
  
  
  
  
  
  
Fiene
 
14
 
2.02
 
0.51
 
1.91
 
0-7.5
 
C/W
 
Sunbrite
 
54
 
<5
 
  
  
<5
 
  
Conard Fissure
 
3
 
<5
 
  
  
<5
 
  
Trout Cave #2
 
17
 
2.5
 
0.5
 
2
 
0-5.8
 
  
Cumberland Cave
 
74
 
<5
 
  
  
<5-13
 
  
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