
Series. 
Vlig upper: 
rt Oe ee ene 
vespera-rosea . 
vespera-cyanea 
Lonfit: 
mitella-rubra. . 
Ordot: 
bicolor....... 
mitella....... 


PARTULA GIBBA, GUAM. 
TABLE 34.—Partula gibba, Guam. South Central Region (in part). 
Length. 
mm, 
16.8300 +.0366 
17.2661 +.0707 
17.6577 4.1193 
17.3000 +.0923 
18.6500 
17.4714+.1011 
17.4035 +.0486 
18.4300 +.0750 
17.2250 +.0996 
17.1643 +.0701 
17.1810 +.0578 



Shell. 
Width. 
mm, 
11.8733 +.0306 
12.1459 +.0653 
12.2539+.0941 
12.2000 +.1012 
13.5000 
12.2857 +.0616 
12.2211 +.0415 
12.3933 4.0438 
12.3000 +.0859 
11.9191 +.0559 
12.0241 +.0515 

MEAN VALUE, 
Proportions. 
P. ct. 
70.4750 +.1319 
70.3710 +.2979 
69.3462 +.3100 
70.8333 +.3309 
72.5000 
70.3572 +.4301 
70.8887 +.1797 
66.9667 +.2688 
71.2500 +.2859 
69.5000 +.2171 

69.9827 +.2058 


Aperture. 
Length. 
mm. 
9.7150 +.0229 
——SSSS==a_=_—aes—a———_ 
9.9129 +.0412 
10.1154+.0577 
10.0167 +.0561 
10.9000 
10.0572 +.0513 
10.0099 +.0272 
10.2467 +.0347 
9.9250 +.0442 
9.6810 +.0384 
9.7483 4.0333 

STANDARD DEVIATION. 

Width. 
mm, 
7.1250+.0175 
7.3774 4.0352 
7.2539 +.0532 
7.3666 + .0430 
8.3000 
7.4857 +.0461 
7.3873 +.0240 
7.3667 +.0208 
7.1750 +.0409 
7.1476 +.0255 
7.1552 4.0217 
73.2750 +.1076 
73.7958 +.1939 
71.8333 4.2434 

73.2249 +.2103 
Proportions. 
Dp. ct. 
74.4352 4.2852 
71.8846 4.4555 
73.4167 4.2690 
74.5000 
74.3571 +.4192| 
72.1250 +.3759 
73.6428 +.2238 
57.6167 +.0868 

83 
Length aper- 
ture + length 
shell, propor- 
tions. 
p. ct. 
57.3065 +.1390 
56.9616 +.2707 
57.9166 +.3125 
58.5000 
57.5000 +.3122 

57.4014 +.1157 
55.3000 +.1929 
57.5000 +.3145 
$6.3572 4.1384 
56.6734 4.1473 

Ylig upper: 
mitella..... i chose meee 120 
Pago north: 
LYS AS 2 2 ee 31 
mitella-rubra.......... 13 
castanea-purpurea..... 12 
vespera-rosea.......... ar 
vespera-cyanea........ 14 
BUREN ie cide Siete cs-alre 71 
Lonfit: 
mitella-rubra.......... 15 
Ordot: 
ATL CLS Se Rieti Coca 8 
CAA) ao Seas een 21 
PR GEM pee cious, si ai.e ais: ani 29 
bers from several places. 
0.5946 +.0259 
.5837 +.0500 
-6379 +.0843 
-4743 +.0652 
0.4966 +.0216 
.5395 +.0462 
.5032 +.0665 
5196 +.0715 
Sie, 200% eke WC eL bie TS, 6 Ne che) Bia ee a8 o6. 300 
.5608 +.0715 
.6076+.0344 
-4308 +.0530 
4176 +.0704 
-4764+.0495 
4617 +.0409 
-3420 + .0435 
-9184+.0293 
-2516+.0310 
.3605 +.0607 
-3800 +.0395 
-4116+.0364 
2.1427 +.0932 
2.4592 +.2106 
1.6570 +.2192 
1.6997 +.2340 
2.3862 +.3041 
2.2449 +,1270 
1.5434+.1901 
1.1989 +.2021 
1.4752 +.1535 

1.6436 +.1455 


0.3716 +.0162 
3405 +.0291 
.3084 +.0408 
-2882 +.0396 
-2846 +.0363 
-3403 +.0192 
.1996+.0245 
-1854+.0312 
.2611+.0271 
.2660 +.0235 
0.2847 +.0124 
.2904 +.0249 
.2845 +.0376 
.2211+.0304 
.2560 +.0326 
-2997 +.0170 
1193 +.0147 
.1714+.0289 
.1735 +.0180 
1733 +.0153 
2.4229 +.1371 
1.3980 +.1721 
1.5208 +.1582 
1.7486+.0761| 1.4094-+.0614 
2.3547 +.2016 
2.4349 +.3221 
1.3819 +.1902 
2.3255 4.2964 
1.5762 +.2658 
1.1075 4.1364 

1.6795 +.1487 
The classes of castanea and phea are too scanty to afford significant facts. 
is not surprising that they show distinct departures from the general colonial aver- 
ages, considering their small representation. 
So far as the colors of the lip are concerned (table 33) the only noteworthy 
point is that in vespera this structure is uniformly white, as everywhere else in the 
class. The tooth (table 33) reaches its highest general development in the Lolo 
colony. 
South Central Region.—The localities of this territory are numerous, although 
the collections are not large in all of them. The variations in color-composition 
are wide, and are undoubtedly accentuated by the uneven and inadequate num- 

1.1478 +.0983 
1.4473 +.1914 
1.6051 +.2210 
Ie(s20 =.2205, 
1.4453 +.0818 
1.3229 +.2224 
0.9404 + .0978 
1.1763 +.1041 


It 


