TasLe 158.—Partula otaheitana affinis. 
Tuauru... 
Ahonu.... 
Faaripoo. . 
Papenoo. .4 
Farapa.... 
Faarumai. 
Tiarei... =. 
Mahaena.. 
Vahii 
Paraura... 
J 
Faatautia. 
Papeiha... 
Utuufai... 
Faone.... 
Tehoro.... 
Haavini.. } 
Tautira... 
Aionifaa .. 
Aiurua.... 
J 
Hototunu. 
Vaiaaia... 
Apirimaue. 
218 
Length. 
mm. 
—0.3678 + .0547 
— .2873+.0544 
[— .1028+.0538] 
+1.1992 + .0533 
—2.2839+ .0361 
+ .6834= .0449 
aL 
[- 
4767 + .0560 
.0443 + .0481] 
— .3475+.0320 
1321+ .1189] 
.6713+.1264 
.1818 + .0452 
1753+ .0346 
4510+ .0331 
13561 .0713 
.3059 + .0762 
.0263 = .1053] 
4333 + .1076 
.0402 + .1450] 
.9092 + .1570 
.0800 + .2990] 
4200+ .4153] 
.5957 = 3247] 
.2975 = .1019 
.0849 + .1103] 
.9917+.1478 
+ 
[+ 
+ 
[- 
Shell. 
Width. 
mm. 
—0.2624+ .0316 
-1621+.0320 
-2001 + .0290 
5959+ .0271 
—1.0277+.0180 
0345 + .0239] 
.3972 + .0286 
-2300 + .0241 
.2707 + .0166 
2911+ .0347 
-4185 + .0384 
0118+ .0241] 
.0973+ .0179 
.2796+ .0168 
-0986 + .0361 
.0117 + .0388] 
-0949 = .0606] 
-1049 + .0615] 
-0827 = .0862] 
-6105 + .0940 
.0622+.1842] 
-5000 + .1996 
-3580 + .0952 
-5693 + .0542 
-2995 + .0629 
-3055 + .1256 
Proportions. 
p. ct. 
—0.3115+.1344 
[+ .0512+.1350] 
— .8474+.1478 
4720+ .1608 
+1.8344=+ .0979 
—2.4343 = .1333 
+ .9196+.1667 
+1.4183 =.1412 
— .3573+.0904 
—1.2063=. 
ISP c 
die 
lar ¢ 
f= 
+ 
—1.0522+. 
4058 
1080+ .4163] 
6646+ .1358 
0441 .0971] 
.0321 1012] 
6558+ .2137 
2251 
[—1.0191+.5413] 
+1.0642+.2535 
[— .3045+. 
IIaP o 
(Glam 
{- 
{- 
+2.4895=. 
3901] 
5211+.4121] 
3334+ .6792]] 
.9000 + .8435] 
.3986 + .5681] 
2830 
—1.2020+ .2994 
=") 
i= 
[+ 
—1.7222+.6232 
Length. 
mm. 
-3034+ .0342 
0446+ .0341] 
-0592 + .0294 
-5076=+ .0276 
2444+ .0194 
.1934+ .0254 
-3880 + .0310 
.2536+ .0267 
-3534+ .0183 
-4224=+ .0520 
-7753 .0553 
2175+ .0268 
1119+ .0188 
-1990= .0178 
-0552 + .0418] 
.0606 + .0439] 
-0358 + .0768] 
.1466+.0778] 
-1911+.0931] 
-6158+ .1007 
0933+ .1722] 
-5000 + .1937 
-5811+.1054 
-0598 + .0621] 
.0480 + .0721] 
1778 .0953] 
Progressive comparison of dextral representatives. 
Aperture. 
Width. 
mm. 
—0.3783 + .0259 
—.1159+.0261 
—.1707+.0242 
+.5730+.0225 
—.8009-+ .0142 
—.0501 = .0204 
+.4652+.0247 
+.1394+ .0205 
—.2966+.0139 
[—.0408 + .0343] 
+.1024+ .0370 
[—.0169+ .0204] 
—.0496 + .0148 
—.2089 + .0129 
—.1104+ .0303 
—.0744+ .0324 
[—.0756+.0471] 
—.2220+.0475 
+.2129 + .0466 
+.1758+.0555 
[+.1333+.1245] 
—.4333+.1674 
[+.2739+.1694] 
+.6230+.0455 
—.2247 + .0488 
[+.0611.0762] 
Proportions. 
D. ct. 
—1.6143+.1690 
— .9415+.1731 
—1.5013+.2111 
+2.2339 + .1995 
+1.8403 + .1173 
—2.3677+.1598 
+1.9454= .1879 
-6562+.1551 
— .3143+.1018 
+2.4053+.5721 
—4.7499 = 5841 
+1.6824=.1611 
+ .4252+.1097 
— .6967+.1110 
—1.7026+.1981 
+ .5592+.2042 
[— .7199+.3587] 
—1,2643+.3728 
+4.3681 = .5526 
—3.4181+.5868 
[+ .6000+.5934] 
[— .3333+.6674] 
—1.9855+.4319 
+6.4097 +.3766 
—2.7464+.4016 
—1.3445 + .4894 
VARIATION, DISTRIBUTION, AND EVOLUTION OF THE GENUS PARTULA. 
Length aper- 
ture + length 
shell, propor- 
tions. 
p. ct. 
—0.6727+.1269 
+ .6913+.1290 
[— .0266+.1254] 
— .7544+.1142 
— .2129+.0862 
—1.0787+.1150 
+ .9136+.1387 
+1.6005 + .1199 
—1.0007+.0761 
—2.2038+ .1868 
+2.5957 + .2040 
1333+. 
1132 
[- 
ate 
ae 
—1.3381+. 
.0834 + .0765] 
.2911+.0859 
7156 .1901 
1942 
[— .4119.3037] 
[+ .5743+.3260] 
.9509 = .3015 
+ .8020+ .3267 
ak 
—1.4000+.3850 
-6889 = .2246 
+1.4348 + .3898 
[— .4121-+.2492] 
[+ .3384+.2479] 
—1.8611+.4034 
Differences in mean value. 
Tooth, index. 
—0.3891+.0796 
| 
-3920 .0869 | 
5675 + .0664 | 
— 3725 +.0522| 
41.2715 .0362 
[+ 
+ 
0548 + .0572] 
-5371+ 0649 
— .6280+.0622 
— .3793+.0491 
+1.4166+.1655 
— .7049+ 1737 
+ .5726+.0626 
— 1572+ .0443 
+ .1778-=.0448 
— 1.4299 = .0777 
— .6817-.0750 
— .1219-=.0533 
[— .0314+.0464] 
+2.0509 + .2203 
—2,0692 = .2208 
+ .5783+.2417 
[— .1000+.3201 
+ .6884.2274 
+1.1297+.1120 
— .9014+.1392 
— .7500+.1766 
VI. The combined statistics for the several colonies provide a basis for comparing 
affinis with the other major divisions of Partula otahettana. 
Effecting the combination 
in the two ways earlier explained, the results are presented in table 160; the figures 
refer to the dextral representatives only, for the sinistral snails are too few and too 
scattered to be similarly treated. 
