126 
VARIATION, DISTRIBUTION, AND EVOLUTION OF THE GENUS PARTULA. 
TaBLE 61.—Partula otaheitana otaheitana, Fautaua Valley. Analysis of the color-classes. 
Mean VALUE. 
Shell. Aperture. Length aper- 
orien No. sae ture + length 
i shell, propor- 
Length. Width. Proportions. Length. Width. Proportions. tions. 
mm. mm. Pp. ct. mm. mm. p. ct. p. ct. 
Sin., plain, I.| 101 | 19.0331+.0555| 10.9237 + .0295| 57.2326+.1457| 9.8446+ .0324) 7.7118+.0240} 78.0445 .1828) 51.7970+.1310 
II 84 | 19.2107+.0718) 10.9571 .0352) 56.9285 = .1837| 9.8810 .0353) 7.7142 .0278) 78.1071 .1917| 51.3452+.1455 
III.| 249 | 19.1198 .0379| 11.0478 .0205| 57.6927 .1062) 9.8165 .0213) 7.7530+.0173) 78.9498 .1132) 51.2068+.0846 
IV.| 72 | 18.9667=.0706) 10.9000 .0325| 57.3611 .1774| 9.8056 .0295| 7.6556 .0282| 77.9444 .2309| 51.6666+.1504 
Sin., banded. 3 | 19.8500 .3439) 11.3000+.1101) 56.5000 .5948) 9.9667 = .1836) 7.6333 + .0367) 76.5000+1.1014| 50.5000+.3180 
ALS plainkeree 506 | 19.0958+ .0268) 10.9870+.0140) 57.4269 .0794) 9.8312+.0143) 7.7245+.0116| 78.4862+ .0819) 51.4130+.0593 
All recessed 509 | 19.1003+.0268) 10.9888+.0142) 57.4373+.0719) 9.8321 .0142) 7.7239+.0115| 78.4744 .0818| 51.4076+.0590 
Dex., plain, I.} 78 | 19.3307+.0722) 11.0692+.0425) 57.1923+.1529| 9.9231+.0401) 7.7231+.0305) 77.7948 .2025) 51.2692 .1497 
II 76 | 19.4339 .0698|) 11.0210+.0371) 56.8026+.1712| 9.9684= .0346) 7.7605 .0311) 77.7899 .2334) 51.2894 .1394 
III.} 208 | 19.2875+.0423) 10.9173 +.0235| 56.5009 .1118) 9.8702 +.0233) 7.6279+.0174| 77.2260 .1391} 51.1298+.0932 
IV.| 59 | 19.3008 .0876| 10.9847 = .0497) 56.9067 +.1842) 9.7814 .0431] 7.6085 + .0367| 77.7103 .2005} 50.6525+.1707 
AN One Bates 421 | 19.3184 .0304| 10.9736+.0172) 56.7447 +.0745| 9.8853 .0163) 7.6667 +.0130) 77.4976 .0937| 51.1176+.0644 
STANDARD DEyIATION. 
Sin., plain, I.| 101 | 0.8263-.0392| 0.4389+.0208) 2.1706+.1030) 0.4826+.0229| 0.3580+.0169| 2.7233 .1292| 1.9526-+.0926 
Il.| 84 -9762 + .0507 4786+ .0249| 2.4969=+.1299| .4806+.0250) .3777+.0196| 2.6050 .1355) 1.9790=.1029 
III.| 249 .8871+ .0268 4799+ 0145) 2.4859+.0751| .4984+.0151| .4041+.0122| 2.6487 .0800) 1.9789=.0598 
IV.| 72 -8887 + .0499 4096+ .0230) 2.2323+.1254) .3711+.0208) .3547+.0199) 2.9054+ .1633) 1.8929+.1063 
Sin., banded. . 3 -8831 + .2432 .2828+.0779| 2.1602+=.8412 SUMEES ARE | SUES USE 2.8284 .7788) 0.8165+.2249 
Sin., all, plain.| 506 -8943 + .0190 4664+ .0099) 2.6485+.0562) .4768+.0101) .3856+.0082) 2.7326 .0579| 1.9772+.0419 
Stak, Als oo. blo.c 509 -8961+.0189 4768+ .0100) 2.4049+.0508} .4769+.0100) .3845+.0081) 2.7369 .0579| 1.9737+.0417 
Dex., plain, I.} 78 -9452 + .0510 .5575 + .0300| 2.0019 .1081) .5252+.0283) .3999=+.0215) 2.6511 .1432) 1.9606+.1058 
IHL}, 08 -9019+ .0493 4797+ .0262) 2.2125+.1210) .4478+.0244) .4026+.0220) 3.0166+ .1650| 1.8014+.0986 
III.| 208 -9040 + .0299 -5020+ .0166) 2.3898 .0790) .4981+.0165) .3726+.0123) 2.9753 .0983} 1.9982+.0659 
LVS oD) -9991+ .0619 .5671=.0351| 2.1002 .1302) .4914=.0305| .4188=.0259| 2.2862 .1418} 1.9468+.1207 
Dex., all, plain.| 421 -9263+ .0215 -5219+.0122) 2.2660+.0527| .4969+.0115) .3943+.0092) 2.8505 .0663} 1.9595+.0455 
TaBLe 62.—Partula otaheitana otaheitana, Fautaua Valley. 
Distribution. Constants. 
No. 
None.| Trace.| Tooth. | Large.| Very large. Mean Standard 
(1) (2) (3) (4) (5) ar deviation. 
SinistralSplainyees learners 104 9 23 57 14 1 2.7597 .0546 | 0.8262 .0386 
ss Sap aestanvere 87 10 15 50 11 1 2.7472 .0622 . 8606+ .0440 
TITS esos REL 6 254 41 44 128 36 5 2.6851 .0410 .9695 = .0290 
IAEA Sonanrepo todo 76 10 12 46 7 1 2.6974 .0664 . 8586 .0469 
Sinistralsibandsmenneeeeeeeeie 3 0 0 3 0 0 3.0000 = .0000 .0000= .0000 
alls plainee jeiserioecl 521 70 94 281 68 8 2.7121 .0269 .9093 = .0190 
Sinistralwall@ee seni ae eile 524 70 94 284 68 8 2.7138 .0267 .9069 = .0189 
Dextrals plain elem ree iter 79 12 9 49 9 0 2.6962 .0654 . 8620 .0462 
1B eaters 77 8 8 45 13 3 2.9351 .0704 .9165= .0498 
TE iy cei: 214 28 37 124 22 3 2.6963 .0411 . 8734+ .0291 
VEN Bictorsbe tate 59 6 10 31 11 1 2.8475+ .0788 -8985 = .0557 
Dextralallic. LAK. Peet 429 54 64 249 55 2.7600 .0289 . 8880 .0204 
Color-classes: Tooth. 
