102 VARIATION, DISTRIBUTION, AND EVOLUTION OF THE GENUS PARTULA. 
TaB_E 48.—Partula nodosa intermedia. Papehue Valley. 
Mean VALUE. 
Shell. Aperture. Length aper- 
ture + length 
shell, propor- 
Length. Width. Proportions. Length. Width. Proportions. tions. 
mm. mm. Pp. ct. mm. mm. p. ct. p. ct. 
Plain, 1906...| 53 | 14.8349+.0668) 9.1642 .0382| 61.6886+.1371| 8.0547 + .0346| 6.3680 .0274| 79.1038==.2124| 54.0660+.1411 
Banded, 1906.} 59 | 14.8263+.0626| 9.3305 .0329| 62.9068 .1679| 8.1915 + .0334| 6.5407 .0230| 79.9068 = .2379) 55.1780+.1169 
Plain, 1907...) 52 | 14.6519+.0372) 9.1154+.0404) 62.2692 + .2039| 8.0039 .0319) 6.3346 .0313] 79.1346 .2092| 54.4038+ .1274 
Banded, 1907.| 41 | 14.7281 .0606) 9.1878+.0326| 62.4024+.1985] 8.0074 .0354| 6.4269 .0278) 80.2805 + .2332) 54.3049=+ .1632 
JNU, INOG.s o'o06 112 | 14.8304+ .0458) 9.2500+.0256) 62.3303+.1164| 8.1268+.0245} 6.4589 .0186| 79.5268=+.1628) 54.6518 .0975 
INU MOY o cae 93 | 14.6855 .0281) 9.1473 .0269| 62.3279 +.1438] 8.0054 .0237| 6.3753+.0216| 79.6398 .1607) 54.3602 += .1013 
Alltec ses 205 | 14.7647 .0311| 9.2044 .0187| 62.3292 .0911] 8.0717+.0173) 6.4210+.0142| 79.5780 .1150) 54.5192 .0707 
STANDARD DEVIATION. 
Plain, 1906...) 53 0.7209 = .0472 0.4126+.0270) 1.4802+.0969) 0.3739+.0245] 0.2957+.0194) 2.2931.1502) 1.5235+.0998 
Banded, 1906.| 59 -7136+ .0442) .3752+.0232) 1.9144+.1187| .3815+.0236) .2624+.0162) 2.7129+.1682) 1.3332+.0826 
Plain, 1907...] 52 5634+ .0372) .4318+.0285) 2.1802+.1442) .3408+.0225] .3344+.0221| 2.2363+.1479| 1.3624+.0901 
Banded, 1907. 5753+ .0428) .3093+.0230| 1.8846+.1403) .3367+.0250) .2641+.0196} 2.2142+.1649) 1.5495+.1154 
All, 1906..... -7193+.0324| .4018+.0181) 1.8266+.0823| .3840+.0173] .2917+.0131) 2.5546+.1151) 1.5306+.0689 
All, 1907..... -5700+.0281) .3851+.0190| 2.0563 .0992) .3390+.0167} .3088+.0153| 2.2981+.1136) 1.4487=.0716 
0900000000 -6598+ .0220) .3978+.0132| 1.9343+.0644) .3693+.0122) .3024+.0100) 2.4422+.0813) 1.5004+.0500 
TaBLe 49.—Partula nodosa intermedia. Papehue Valley. 
Tooru. 
Series. 0 | Trace.| Tooth. Taree Total. 
ooth. 
L906 Renae och ecto nie Oa beeen Gat 2 10 101 1 114 
NOOUS cad te Rem iatg ca tee Ge Yr LIER ee 4 6 84 2 96 
74 eee RE ER Aca RDO Goon ou .o ome GEOR 6 16 185 3 210 
Frecunpity. 
: ., |Per cent Total | Average | Average 
Series. | Records.| Gravid. gravid. Eggs. | Young. contents.|for gravid.| for all. 
1906... 24 6 25.0 6 2 8 1.3 0.3 
1907... 63 29 46.0 25 25 50 od 0.8 
iM Geaos 87 35 40.2 31 27 58 1.6 0.7 
HEREDITY. 
Young, | Young, 
plain. | banded.| 10tal- 
Adults: Plain. . 16 
Banded 11 
27 
