Series. 
Northeast Region: 
Tarague 
Santa Rosa 
Asados 
Whole region 
East Central Region: 
Whole region 
South Central Region: 
Macajna, second... . 
Macajna, first 
Timoneng 
Dungcas 
Cemetery 
Presidio, outer 
Presidio, inner 
Whole region 
Apra Region: 
Whole region 
Southwest Region: 
Umatac Salonga.... 
Umatac Pajom 
Umatac Madog 
Merizo 
Whole region..... 
Whole island 
17.1005 +.0303 
17.0630 +.0445 
17,2250 +.0348 
17.1302 +.0211 
16.4527 +.0277 
16.8648 +.0295 
17.5684 +.0617 
17.3971 +.0392 
17.5250 +.1219 
16.8999 +.0209 
16.8300 +.0366 
17.4035 +.0486 
18.4300 +.0750 
17.1810 +.0578 
16.7224 +.0407 
17.3933 +.1093 
17.1707 +.0298 
16.7140 +.0519 
17.0316 +.0646 
17.0261 +.0179 
17.3000 +.0715 
16.7000 +.0836 
16.4700 +.0884 
16.6954+.0678 
16.9845 +.0722 
17.1089 +.0344 
16.6053 +.0793 
17.0800 +.0686 
16.0855 +.0461 
16.8473 +.0245 
16.6763 +.0644 
16.7000 +.1952 
17.3419 +.0433 
17.3000 +.0502 
17.3643 +.1059 
17.7500 +.0779 
17.6500 +.0616 
17.4500 
17.5935 +.0526 


PARTULA GIBBA, GUAM. 
Shell. 
Width. 
11.9137 +.0226 
11.8449 +.0346 
11.9214 +.0273 
11.9064 +.0159 
11.3937 +.0241 
11.7385 +.0258 
12.0465 +.0413 
12.1804 +.0360 
11.9500 +.0658 
11.7265 +.0168 
11.8733 +.0306 
12.2211+.0415 
12.3933 4.0438 
12.0241 +.0515 
11.7075 +.0307 
12.0125 +.0756 
11.8084 +.0214 
11.1693 +.0440 
11.8368 +.0438 
11.7903 +.0142 
11.7000 +.0477 
11.3714+.0662 
11.4467 +.0589 
11.6151 +.0557 
11.9414 +.0453 
11.8534 +.0262 
11.5210 +.0602 
11.8200 +.0499 
11.3548 +.0339 
11.7113 4.0175 
12.1210 +.0687 
11.6667 +.0922 
12.0651 +.0338 
12.0391 +.0329 
11.5572 +.0534 
12.3000 +.0670 
12.0000 +.0572 
12.5000 
12.0044 +.0574 
11.7986 +.0078 



Proportions. 
69.6065 +.0906 
69.2826+.1455 
69.1715 +.1382 
69.4400 +.0687 
69.1576 +.0932 
69.5330 +.1021 
68.7535 +.2114 
70.1471 4.1552 
68.1667 +.3671 
69.3761 +.0618 
70.4750 +.1319 
70.8887 +.1797 
66.9667 +.2688 
69.9827 +.2058 
69.9891 +.1272 
69.1875 +.2778 
68.6527 +.0795 
66.7000 +.1656 
68.3158 +.1848 
69.1900 +.0589 
68.0000 +.7154 
67.9286 +.4072 
69.4333 +.2501 
69.5606 +.2947 
70.4311 4.2324 
69.2078 +.0918 
69.2895 +.1947 
69.3667 +.2597 
70.6774 +.1354 
69.5000 +.0662 
72.3421 +.2573 
69.1666 +.5192 
69.6046 +.1293 
69.5761 +.1258 
66.3572 +.4400 
69.2777 +.2956 
67.8333 4.2052 
71.5000 
68.1087 +.2711 
69.3770 +.0310 



Length. 
mm, 
9.7289 +.0158 
9.6014+.0242 
9.6343 +.0197 
9.6848 +.0114 
9.3540 +.0163 
9.7088 +.0195 
9.9253 +.0327 
9.9235 +.0234 
10.0000 +.0515 
9.6443 +.0123 
9.7150 +.0229 
10.0099 +.0272 
10.2467 +.0347 
9.7483 +.0333 
9.5925 +.0224 
9.8750 +.0544 
9.7847 +.0162 
9.4893 +.0266 
9.5579 +.0385 
9.7251 +.0098 
10.0000 +.0477 
9.3000 +.0578 
9.6066 +.0608 
9.7182 +.0376 
9.6379 +.0451 
9.7877 +.0203 
9.5526+.0516 
9.8067 +.0322 
9.2452 +.0254 
9.6570 +.0142 
9.7421 +.0433 
9.7000 +.1189 
9.9488 +.0286 
9.9326 +.0282 
9.8429 +.0230 
10.0555 +.0591 
9.8333 =-.0757 
10.1000 
9.9348 + .0348 
9.6940 +.0057 



Aperture. 
Width. 
mm. 
7.2588 +.0122 
7.1406 +.0239 
7.1472 4.0195 
7.2112 +.0097 
6.8279 +.0130 
JAZIS=.0153 
7.2437 +.0222 
7.3353 4.0216 
7.3000 +.0420 
7.0681 +.0100 
7.1250+.0175 
7.3873 +.0240 
7.3667 +.0208 
FApS2 +0217 
7.0343 +.0174 
7.3875 +.0376 
7.0291 +.0134 
6.7507 +.0247 
6.9632 +.0284 
7.0700 +.0084 
7.2000 +.0477 
6.9428 +.0475 
7.0733 4.0506 
7.1485 +.0271 
7.2379 +.0302 
7.1192 +.0150 
7.0790 +.0375 
7.1733 +.0301 
6.9516+.0201 
7.0991 +.0099 
7.2684 +.0417 
7.1000 +.0841 
7.3279 +.0222 
7.3130 +.0218 
7.0429 +.0357 
7.4555 +.0412 
7.2667 +.0587 
7.3000 
7.2739 4.0345 
7.1178 4.0047 



TABLE 26.—Partula gibba, Guam. Statistical description: mean values of the fundamental characters. 
Proportions. 
d. ct. 
74.4863 +.0828 
74.0362 4.1713 
73.9857 4.1277 
74.2840 +.0649 
72.8648 + .0804 
73.2912 +.0936 
73.0493 4.1693 
73.8921 +.1310 
73.0000 +.3599 
73.1995 +.0533 
73.2750 +.1076 
73.7958 +.1939 
71.8333 +.2434 
73.2249 +.2103 
73.3508 +.1131 
74.5625 4.2949 
71.8202 +.0831 
70.8200 +.1275 
72.6842 +.0268 
72.6243 +.0535 
72.0000 -+.7154 
74.6428 +.3531 
73.5667 +.4144 
73.4394 +.2219 
74.8448 +.2777 
72,5822 +.0884 
74.0263 4.2494 
73.1000 +.2147 
75.1459 +.1444 
73.4095 +.0704 
74.5526 4.2432 
72.8333 +.4943 
73.5930 +.1287 
73.5435 &.1252 
71.7857 +.4859 
74.1666 +.3671 
73.8333 4.3784 
73.5000 
73.3261 4.2511 
73.3233 4.0302 
65 
Length aper- 
ture + length 
shell, propor- 
tions. 
p. ct. 
56.7784 +.0585 
56.1232 +.1132 
55.7857 +.0774 
56.4100 +.0453 
56.7432 +.0613 
57.4066 +.0813 
56.2465 +.1122 
56.9216 4.0987 
57.0000 +.1864 
56.9244 +.0420 
57.6167 +.0868 
57.4014 +.1157 
55.3000 +.1929 
56.6734 +.1473 
57.2388 +.0889 
56.9375 4.1882 
$6.7857 +.0558 
56.7000 +.0986 
55.9736 +.1346 
56.9914 +.0361 
57.5000 +.4769 
55.6428 +.2797 
58.3000 4.2577 
58.2576 +.1475 
56.7068 +.2357 
57.1393 +.0806 
57.4737 +.1748 
57.4333 +.2441 
57.4194 +.1035 

57.2760 +.0553 
58.1842 +.1813 
57,5000 +.3179 
57.3372 +.1028 
57.3478 +.0983 
56.0714 +.2676 
56.5000 +.2596 
55.3333 +.2938 
57.5000 
56.1087 +.1697 

56.9199 +.0215 

