356 
PROFESSOE K. PEARSON AND OTHERS ON 
the average of the whole series he a fairly close aj^proximation to the true mean 
value of homotypic correlation. The result is •4570. Turning now to our results for 
fraternal correlation, I put into a second table every single result that we have 
Table XXXII.—General Kesults for Homotypic Correlation. 
Race. 
Character. 
Per¬ 
centage 
variation. 
Corre¬ 
lation. 
Remarks. 
Mushroom, Ilampdeu . 
Lengths of gills . 
50 • 92 
- 8607 
1 1 
Breadths of gills . 
G7 • 67 
-7363 
All these results introduce 
Lengths and 
— 
- 6275 
a correlation due to stages 
lireadths of gills 
' of growth and accordinglv 
tVihl Ivv, mixed localities 
Lengths of leaves . 
82-73 
-5618 
are not included in the 
Breadths of leaves 
84-56 
-5332 
determination of means. 
Lengths and 
— 
■5157 
lireadths of leaves 
(i.) Cetei’ach, Somersetshire 
Lol)es on fronds . 
77-57 
■6311 
Said to be largely affected 
(ii.) Hartstongue, Somerset- 
Sori on fronds 
77-64 
■6.303 
> by growth and einuron- 
shire 
ment. 
(iii.) Shirley PojDpy, Chelsea . 
Stigmatic l)ands . 
78-86 
■6149 
Much selected in transit. 
(iv.) English Onion, Hampden 
Veins iu tunics 
79-18 
■6108 
Possibly slightly hetero- 
geneous. 
(v.) Holly, Dorsetshire 
Prickles on leaves 
80-11 
■5985 
I 
(vi.) Spanish Chestnut, mixed 
Veins in leaves 
80 - 65 
■5913 
Heterogeneous. ; 
(vii.) Beech, Buckinghamshire 
Yeins in leaves. . 
82-17 
■5699 
(viii.) Papaver Phreas, Hampden 
Stigmatic bands . 
82-71 
■5620 
I 
(ix.) Mushroom, Hampden , 
Gill indices . . . 
83-58 
■5490 
Possibly influenced by inch- 
vidual growth. 
(.X.) Papaver Bhxas, Quantocks 
Stigmatic l)ands . 
84-59 
■5333 
(xi.) Shirley Poppy, Hampden 
Stigmatic bands . 
85-18 
■5238 
(xii.) Sjvanish Chestnut, Buck- 
Veins in leaves. 
88-51 
■4655 
inghamshire 
(xiii.) Broom, Yorkshire 
Seeds in pods . 
90-96 
■4155 
(xiv.) Ash, IMonmouthshire 
Leaflets on leaves. 
91-44 
■4047 
(xv.) Papaver Phavis, Lower 
Stigmatic liands . 
91-66 
■3997 
All from one field. 
Chilterns 
(.xvi.) Ash, Dorsetshire . . . 
Leaflets on leaves. 
91-81 
■3964 
(xvii.) Ash, Buckinghamshire . 
Leaflets on leaves. 
92-73 
■3743 
(xviii.) Holly, Somersetshire 
Prickles on leaves 
93-12 
■ .3548 
(xix.) “Wild Ivy, mixed 
Leaf indices. 
96-21 
■2726 
From two localities and pos- 
localities 
siblv slightly influenced 
bv differentiation. 
(xx.) Nigella Hispanka, Slough 
Segments of seed- 
98-18 
■1899 
llifferentiation of organs 
capsules 
due to position on stem. 
(xxi.) Malm Potandifolia, 
Segments of seed- 
98-32 
■1827 
PrincipalCv spread from one 
Hampden 
vessels 
clump by stolons. 
(xxii.) \7oodruff, Buckingham- 
Memliers of whorls 
98 - 49 
■1733 
IN I embers really different in - 
shii’e 
morphological origin. 
i 
Mean of 22 cases . . 
87-44 
■4570 
' : 
worked out up to the date of writing this memoir. I felt this was the only safe 
method, although I might be justified in cutting out several values from the top and 
from the l)ottom of this table. I am sure the value for Itaphnia is much too high, 
