Taste 59. Partula otaheitana otaheitana, Fautaua Valley. Frequency polygons 
of the characters of sinistral and dextral shells. (Sinistral, full lines; dextral, 
interrupted lines.) 
20 p20 
eae 
i ' 
i p-— 
' Ir aS 
\ 
' 
16.85 17.15 17.45 17.75 18.05 18.35 18.65 18.95 19.25 19.65 19.85 20.15 20.45 20.75 21.05 21.35 21.65 21.95 22.25 
20 Shell, length (mm.) 20 
Ral GR) Ei EM Et GG Gish OAS Pe ED aa) 
Aperture, length (mm.) 
10.6 10.7 10,9 11.1 11.3 
95 9.7 9.9 10.1 10.3 10.5 10.7 10.9 111 11.8 11.5 11.7 11.9 121 123 12.5 GH GE Gr GH WU We ae Ter i bl ERS i Ehd  e) 
Shell, width (mm.) Aperture width (mm.) 
1-3 _ 
50.5 51.5 52.5 58.5 545 55.5 565 57.5 58.6 59.5 60.5 61.6 625 63.5 64.5 66.5 67.5 685 69.5 70.5 71.5 72.5 73.5 74.5 75.5 76.5 177.5 
78.5 79.5 80.5 81.5 82.5 83.5 
Shell, proportions (per cent) 
Aperture, proportions (per cent) 
84.5 85.5 86.5 
43.5 44.5 45.5 46.5 47.5 48.5 49.5 50.5 51.5 52.5 53.5 545 55.5 56.5 
Length #**, proportions (per cent) 
