ate 6 6 O T23>= { "yf a SR ee ane ea AGE Curves LAamPsius ANODONTOIDES ANODONTODE: 421 apttermens (Vacketh) ASS, 1638 7 Yn ~ Ni ads os) L LE Q = wy an BoE S E 2 RT 2D 30 me 5 / €0 0 20 20 7o0 Ho 20 130 1€0 LENGTH OF SHELLS Cor) 2. LASMIGONA CompLanata 4 u Gi: ag Me 1% B 8 oF py oe ty a 8 [ . 10 4 Go 2D $0 i , : Cog! oman Lgxo lio 120 i%o [40 15D {eo 19D LENGTH OF SitELULS (mK ra)