TaBie 33. Partulafilosa. Polygons of variation ot 1906 series (broken lines) and 
of 1909 series (full lines). Frequencies in percentages of the comparable 
groups. 
25 25 
20 
15 
10 
i) 
! 
1 
epee 5 
ere wee 
‘ —— ———— 
12.65 12,95 18.25 13.55 13.95 14.15 14,45 14.75 15.05 15.35 15.65 Gin @O Wi WA HS el TO Ehil EL EO Bie EY) 
Shell, length (mm.) Aperture, length (mm.) 
‘35 
30 
| en 
1 i 
1 | 
25 i. 
1 i] 
1 ! 
20 yt 
ry 
| ! 
15 if FS 
ae 7 
= 10 . | 
Srey y I 
are T ! a ' 
Sol G8) Gi EH EI) Gol OS Bue Sy GY) uni 5 | 1 
Shell, width (mm.) Poe 
H rs 1 
25 > \easeaaeoal r = - = lea: —_——4 
5.8 5.5 5.7 59 61 63 65 67 69 7.1 7.3 7.5 
Aperture width (mm.) 
120 20 
p36 +15 
L110 F10 
le \. 
a oan (aeoeeniaen Cai sr T — —o ——+ ™ = 
59.5 60.5 61.5 62.5 68.5 64.5 65.5 -66.5 67.5 68.5 69.5 75.5 76.5 77.5 78.5 79.5 80.5 81.5 82.5 83.5 84.5 85.5 86.5 87.5 88.5 89.5 90.5 91.5 
Shell, proportions (%) Aperture, proportions (%) 
47.5 48.5 49.5 50.5 51.5 52.5 53.5 54.5 55.5 56.5 57.5 58.5 
aperture 
Sai proportions (%) 
Length 
