Studies on the Variation, Distribution, and Evolution of the Genus Partula ... |
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abundance adults affinis analysis aperture apex appears association Average banded brown cent cestata characters clara collection colonies color color-classes compared crassa dark described detailed dextral displayed distinct distribution divisions eggs embryonic examples exists facts Fautaua fecundity Figs figures follows Garrett given gravid hence heredity hyalina indicated individuals inhabited island kinds larger latter Length Length aper length shell less light localities lower Mean Value measures miles namely nature nodosa numbers observed obtained occur original Papenoo parents Partula otaheitana phæa plain plate population present primary Proportions Punaruu quadrant range Records regards region relations relative represented respects rubescens shells single sinistral sinistralis sinistrorsa snails southern species specimens STANDARD DEVIATION statistical Tahiti Taiarapu taken tions Tooth ture types unbanded Valley variation variety vary whole Width yellow young