

86 
Series. 
Macajna first: 
mitella 
mitella-rubra.......... 
Fonte A: 
castanea-purpurea 
vespera-rosea.........- 
vespera-cyanea........ 
| Fonte B: 
bicolor... .eAteos Cees 
mitella 
castanea-purpurea 
vespera-cyanea........ 
Asan: 
Macajna first: 
mitella 
Fonte A: 
bicolor 
aritelia ic adi pee kos acide 
mitella-rubra.......... 
castanea-purpurea 
vespera-rosea.......... 
vespera-cyanea........ 
Fonte B: 
bicolor, s sania ie 
mitella 
castanea-purpurea 
vespera-cyanea 
Asan: 
bicolor .20< aie wines 
piitella, dick Je ade ee 
mitella-rubra.......... 
vespera-cyanea........ 
No. 



Se, ee Eee 
TABLE 38.—Partula gibba, Guam. South Central Region (cont.). 
Length. 
mm. 
17.3000 +.1380 
17.5500 +.1558 
17.3933 +.1093 
17.3000 +.1080 
17.1631 +.0373 
17.2855 +.0651 
17.0300 +.1218 


17.1500 +.0 
16.9357 +.1514 
17.1707 +.0298 
17.1500 +.2862 
16.6342 +.0591 
16.8500 +.1156 
17.0167 +.1561 
16.7140+.0519 
17.3900 +.0891 
16.9885 +.0795 
17.3000 +.2110 
17.4500 +.1431 
17.0316 +.0646 
mm. 
0.6469 +.0976 
.5657 +.1102 
.6482 +.0773 
.5064 +.0763 
-6473 4.0264 
-5379 +.0460 
.6997 +.0861 
0 
.5938 +.1070 
-6278 +.0211 

-6000 +.2024 
-6619 +.0418 
-4535 +.0817 
-6944 +.1104 
-6651 +.0367 
-2956 +.0630 
-6013 +.0562 
-6997 +.1492 
:3000 +.1012 
5902 +.0457 



MEAN VALUE. 
Proportions. 
Length. 
Aperture. 
Width. 
VARIATION, DISTRIBUTION, AND EVOLUTION OF THE GENUS PARTULA. 
Proportions. 
mm. 
12.0200 +.1048 
12.0000 +.1088 
12.0125 +.0756 
11.7400 +.0870 
11.7876 +.0270 
11.9322 +.0465 
11.8200 +.0739 
11.8000 +.0477 
11.7286 +.1232 
11.8084+.0214 
11.9000 +.2862 
11.0193 +.0410 
11.3571 +.1240 
11.81114.1342 
11.1693 +.0440 
11.6600 +.0703 
11.9154+.0518 
11.6200 +.1507 
11.8000 +.0477 
11.8368 +.0438 

p. ct. 
69.5000 +.3815 
68.6667 +.3341 
69.1875 4.2778 
66.9000 +.2175 
68.5803 +.0957 
69.0484 +.1966 
69.3666 +.2905 
69.0000 +.7154 
69.2143 +.2626 
68.6527 +.0795 

68.5000 +.4769 
66.1842 +.1764 
67.0714 +.2303 
69.2777 +.3789 
66.7000 +.1656 
66.1000 +.1478 
68.9231 +.1688 
68.1000 +.6211 
66.5000 +.4769 
68.3158 +.1848 

mm. 
9.8400 +.0787 
9.9333 &.0558 
9.8750 +.0544 
9.8200 +.0578 
9.7686 +.0203 
9.8097 +.0336 
9.8600 +.0754 
9.8000 +.0477 
9.7572 +.0706 
9.7847 +.0162 
10.1000 +.1908 
9.4158 +.0267 
9.6143 +.0764 
9.7222 +.0677 
9.4893 +.0266 
9.7400 +.0703 
9.5000 +.0464 
9.5000 +.0853 
10.0000 +.1431 
9.5579 +.0385 
STANDARD DEVIATION. 
mm. 
0.4915 +.0741 
.3952 +.0769 
4484 +.0534 
.4079 +.0615 
.4697 +.0191 
.3839 + .0329 
-4246 +.0522 
-1000 +.0337 
-4832 +.0871 
-4519+.0151 

-6000 +.2024 
-4586 +.0290 
-4866 +.0877 
-5971+.0949 
-5643 +.0311 
-2332 +.0497 
-3919 +.0366 
-4996+.1065 
-1000 +.0337 
.4003 +.0310 


dD. ct. 
1.7888 +.2697 
1.21344.2362 
1.6477 +.1964 
1.0198 +.1538 
1.6613 +.0677 
1.6232 +.1390 
1.6680 +.2054 
1.5000 +.5058 
1.0301 +.1857 
1.6761 +.0562 

1.0000 +.3372 
1.9748 +.1247 
0.9035 +.1628 
1.6852 +.2679 
212291171 
0.4899 +.1045 
1,2762'3-.1193 
2.0591 +.4392 
1.0000 +.3372 
1.6895 +.1307 
mm. 
0.3693 4.0556 
.2027 +.0394 
-3230 4.0384 
.2713 +.0409 
-3522 +.0143 
2775 4.0237 
-4333 +.0533 
-1000 +.0337 
.2770 +.0499 
3414+.0114 
-4000 +.1349 
-2996 +.0189 
-2996 +.0540 
3010 +.0479 
.3408 +.0188 
-2332 +.0497 
-3508 +.0328 
-2828 +.0603 
-3000 +.1012 
.3521+.0272 


mm, 
7.3600 +.0541 
7.4333 +.0410 
7.3875 +.0376 
7.0200 +.0578 
7.0197 +.0161 
7.0419 +.0309 
7.1000 +.0539 
7.1000 +.0954 
6.9857 +.0977 
7.0291 +.0134 

7.3000 +.1908 
6.6684 +.0245 
6.8714 +.0635 
7.0555 +.0552 
6.7507 +.0247 
6.9000 +.0853 
6.9615 +.0318 
6.9000 +.1144 
7.3000 +.0 
6.9632 +.0284 
mm. 
0.2538 +.0382 
.1491 +.0290 
.2233 4.0266 
.2713 +.0409 
-2802 +.0114 
.2539 +.0218 
-3098 +.0381 
-2000 +.0674 
-3833 +.0691 
.2823 +.0095 
-4000 +.1349 
-2747 +.0173 
-2491 +.0449 
-2455 +.0390 
.3168 +.0174 
-2828 + .0603 
.2403 4.0225 
.3794 +.0809 
.2599 +.0201 


p. ct. 
74.5000 +.3694 
74.6666 +.4878 
74.5625 +.2949 
71.3000 +.4013 
71.8212 +.1034 
71.8871 +.1986 
72.0333 +.2190 
72.0000 +.2384 
41.7857 22.5972 
71.8202 +.0831 
72.0000 +.7154 
70.5175 =.1375 
71.3571 4.3455 
72.0555 +.3688 
70.8200 +.1275 
70.9000 +.4091 
73.0384 +.2268 
72.5000 +.6878 
73.0000 +.7154 
72.6842 +.2068 
p. ct. 
1.7320 +.2612 
1.7717 4.3449 
1.7488 +.2085 
1.8815 +.2837 
1.7959 +.0731 
1.6398 +.1404 
1.2579 +.1548 
0.5000 +.1686 
2.1853 +.3939 
1.7507 +.0587 
1.5000 +.5058 
1.5389 +.0972 
1.3553 4.2443 
1.6406 +.2608 
1.6343 +.0901 
1.3564 +.2893 
1.7148 +.1604 
2.2803 +.4364 
1.5000 +.5058 
1.8898 +.1462 

Length aper- 
ture + length 
shell, propor- 
tions. 
Pp. ch 
57.0000 +.2384 
56.8333 +.3044 
56.9375 +.1882 
56.3000 +.1596 
56.7336 +.0686 
56.6290 +.1296 
57.6333 +.2190 
57.5000 +.4769 
57.2143 +.1784 

56.7857 +.0558 
58.5000 +.0 
56.5526 4.1164 
56.9285 +.1261 
57.0555 +.2620 
56.7000 +.0986 
55.7000 +.2955 
55.7693 4.1667 
56.7000 +.2257 
57.5000 +.0 
55.9736 4.1346 
p. ct. 
1.1180 +.1686 
1.1055 4.2152 
1.1163 +.1331 
0.7481 +.1128 
1.1916 +.0485 
1.0699 +.0916 
1.2579 4.1548 
1.0000 +.3372 
0.6998 +.1261 
1.1769 +.0394 
0. 
1.3032 +.0823 
0.4949 +.0891 
1.1654+.1852 

1.2649 +.0697 
0.9798 +.2089 
1:2575=a ao 
0.7483 4.1596 
1.2299 +.0952 

