HEREDITY, AND THE ORIGIN OF SPECIES. 25 
our observations go. It will be profitable to analyze the 
consequences of the origination of diverse types simul- 
taneously. In the case of Oenothera grandiflora it ranges 
from Kentucky southward to the Gulf over climatic and 
edaphic conditions of wide diversity. If it be assumed 
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‘| }45}50/ 55 ]60 | 65| 70 | 75] 80] 85 | 90 | 95 |100]205|1101115|1201125| 130/135 
50 | 55 | 60 | 65 | 70 | 75 | 80 | 85 | 90 | 95 [100/105/110/115| 120) 125/130) 135/140 
13] 24 1 1 2 
12} 25 1 1 
311) 26 > iit 2 
10} 27 1j}1 1 3 
9] 28 1}1 1 1 4 
—8] 29 1i2/)3{2/1 9 
7| 30 1/9} 21213 10 
6) 31 1 2/2 5 
—5| 32 Bi 2/4 2 10 
4/33 144 31414173 22 
—3) 34 51S13t3sil 22 
—2| 35 4/9/6}1/4/3)1 1 32 
moka 113 2} 5)10} 4/5 1 31 
0/37 311] 9]11] 8}: 1 
121433 4|3}11}10) 16 
2 |39 81747184 4 1 31 
3/40 < 61} 419) 6|12 4 44 
4}4 148/10) 5 1} 4}1 35 
5} 42 2771915 z}ij | [1] 430 
6 }43 1 1} 8/4 2) | | {1} 9 
"174144 3 2 1 12 
8 | 45 1j}1 1}/2 6 
9 }46 1 
~ 110 ]47 l 1 
11/48 2 1 3 
49 1 1 2 
13/50 1 i 
HH ane 
‘ | {1]1]2]2J46 [12J19/28] 60|59]67| 30) 43|27)15] 10) 24°17 4 
Correllation Table of qr and Width of Leaf in O. La- 
ckiana. p = 0.7916 + 
that all of the mutants are being given off by the whole 
species then these must be thrown into the struggle for 
existence under conditions widely different. In some cases 
one mutant finds itself equipped to survive in the given 
