240 VARIATION, DISTRIBUTION, AND EVOLUTION OF THE GENUS PARTULA. 
TABLE 185.—Partula otaheitana sinistrorsa. Faarahi Valley. 
MEAN VALUE. 
Shell. Aperture. Length aper- 
: ture + length - 1 
Series. No. Shell propor: Tooth, index. 
Length. Width. Proportions. Length. Width. Proportions. tions. 
mm. mm. p. ct mm. mm. p. ct p. ct 
cestata,dex.,1907. 1) 20.45 11.70 57.5 10.70 8.10 75.5 SES 1 
phea, dex., 1907.. 1) 21.35 11.70 54.5 10.70 8.10 75.5 49.5 1 
cestata,sin.,1907.| 92) 20.6065+.0652) 11.2804 .0362) 54.6631+.1411) 10.3174+.0389| 7.8696+.0288| 76.3043 .1901| 50.0109 .1229) 1.0435=+ .0463 
phea, sin., 1907..| 184) 20.4288+.0503) 11.2739 .0238 55.1576.1103) 10.2739+.0265| 7.8598+.0210| 76.4076 .1236| 50.3098 .0952| 1.0761+.0168 
All, sin., 1907...| 276) 20.4880+.0408) 11.2761+.0199) 54.9928+.0877| 10.2971+.0218) 7.8630+.0162) 76.3732=.1040) 50.2102=.0759| 1.0652 .0122 
cestata, sin.,1909.| 73) 19.5747+=.0676| 10.6151+.0336) 54.1438+.1644) 9.8151+.0425| 7.3959=+.0272| 75.3219+.2080| 50.0890=.1489) 1.0411+.0505 
phea, sin., 1909..| 112) 19.4964 .0547| 10.5893 +.0285| 54.3393+.1529, 9.7196=.0298| 7.3804 .0229] 75.8571+.1718) 49.6964+.1271| 1.1810+.0303 
All, sin., 1909...| 185) 19.5273 .0426) 10.5995+.0218) 54.2622+.1132) 9.7573+.0248) 7.3865=.0190) 75.6459+.1331| 49.8514 .0973] 1.1270+.0198 
ALI Nsin sae 461} 20.1025+.0333) 10.0046+.0181) 54.6996+.0704) 10.0805+.0184| 7.6718+.0143| 76.0813=.0828) 50.0662+.0601) 1.0903 .0109 
STANDARD DEVIATION. 
cestata, sin.,1907.} 92) 0.9272+.0461) 0.5150+.0256| 2.0069+.0998) 0.5537+.0275) 0.4095=.0204| 2.7036+.1344| 1.7479=+.0869| 0.6579 .0327 
phea, sin., 1907../ 184) 1.0117+.0356 4784+ .0168) 2.2180+.0780 .5338+.0187| .4216+.0148) 2.4862+.0874) 1.9144+.0673} .3373+.0119 
All, sin., 1907...} 276) 1.0045 .0288 .4909+.0141) 2.1604+.0620 -5378+.0154| .3999=.0114) 2.5612+.0735| 1.8658=+.0537) .2999=+.0086 
cestata, sin.,1909.| 73 -8563 + .0478 4264+ .0237) 2.0829 .1162 -5388+.0300} .3442+.0192) 2.6345+.1471) 1.8860+.1053} .6397+.0357 
phea, sin., 1909..) 112 .8590 + .0387 4479+ .0201) 2.3999+.1081 4682+ .0211) .3591+.0162) 2.6954+.1215) 1.9948+.0899} .4842+.0214 
All, sin., 1909...] 185 .8591+ .0301 4399+ .0154| 2.2822+.0800 .4995+.0175| .3827+.0134) 2.6843+.0941| 1.9620+.0688} .4046+.0140 
INL Siids 5 05501000 461; 1.0592+.0235 .5760+.0128) 2.2402+.0498 -5859=+=.0130) .4571+.0101) 2.6355+.0585| 1.9130+.0425} .3476+.0077 
TABLE 186.—Partula otaheitana sintstrorsa. 
1The numbers are: Sinistral, 92, 184; 276. 
Dextral, 73, 116; 189. 
All, 465. 
Faarahi Valley. Fecundity 
Series! Records No. of Per cent No. of No. of Total Average Average 
gravid. gravid. eggs. young. | contents. |for gravid.| for all. 
cestata, dextral, 1907 ........ 1 1 2 1 3 3 3 
phea, dextral, 1907......... 1 1 3 3 3 3 
cestata, sinistral, 1907....... 92 75 81.5 100 73 173 2.31 1.88 
phea, sinistral, 1907......... 184 162 88.0 231 159 390 2.41 BNW 
ANI, Siar, WOU scocccoode 276 237 85.9 331 232 563 2.38 2.04 
cestata, sinistral, 1909....... 64 47 73.4 63 26 89 1.89 1.39 
phea, sinistral, 1909......... 109 90 82.6 145 59 204 DDB 1.87 
ALI cinistralse 90 OReerrracrer 173 137 79.2 208 85 293 2.14 1.69 
TaBLe 187.—Partula otaheitana sinistrorsa. Faarahi Valley. Heredity of color-pattern. 
1907 series. 1909 series. 1907 and 1909. 
Sinistral. 
Banded.| Plain. | Total. | Banded.| Plain. | Total. | Banded.| Plain. | Total. 
cestatammeenenie 45 28 73 18 8 26 63 36 99 
pheastiessctsoce 23 136 159 v | 52 59 30 188 218 
MOta leeapepepstertts 68 164 232 25 60 85 93 224 317 
