The variations and ecological distribution of the snails of the genus Io . .61 .65 .65 .67 .69 .71 .75 .75 .77 Degree of Globosity in Per Cent. jm 220 im im 160MO12010010„60 i Imm — Plate 10 Globosity of Shell (SM/ Index)POWELL RIVER t — 1 \/ \ 4 _4 1 A ^ Or Or Or GRoyPs 1-5 5 1 1 ii N \ It \^ Group S. ^.^^^^ / 1 * 1 ^7 r\ * \ \ // h \ \ , t / / 1 IK \ \, i ii / / 1 I K \ k \ \ f / / / . \ \ \^ / / ;/ > \ . \ J^ \, I f 3 \ •x ?» \ V 5 , .6 .63 .65 .6!)E0REC0fGl08O3|T 7 .60 .71 .7Y IN Per Cent. 3 .75 .77 .79 .81 .S3 .83 .87 .89 .91 .93 .95 Platt Globosity of Shell (Shell Index)CLINCH RIVER.


The variations and ecological distribution of the snails of the genus Io . .61 .65 .65 .67 .69 .71 .75 .75 .77 Degree of Globosity in Per Cent. jm 220 im im 160MO12010010„60 i Imm — Plate 10 Globosity of Shell (SM/ Index)POWELL RIVER t — 1 \/ \ 4 _4 1 A ^ Or Or Or GRoyPs 1-5 5 1 1 ii N \ It \^ Group S. ^.^^^^ / 1 * 1 ^7 r\ * \ \ // h \ \ , t / / 1 IK \ \, i ii / / 1 I K \ k \ \ f / / / . \ \ \^ / / ;/ > \ . \ J^ \, I f 3 \ •x ?» \ V 5 , .6 .63 .65 .6!)E0REC0fGl08O3|T 7 .60 .71 .7Y IN Per Cent. 3 .75 .77 .79 .81 .S3 .83 .87 .89 .91 .93 .95 Platt Globosity of Shell (Shell Index)CLINCH RIVER. _ 65 «s .67 .eg-tE!«0LGLQaosiTy \h PekCtNT 75 .75 .77 .79 .6i .9! .«5 ?«


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Keywords: ., bookcentury1900, bookdecade1910, bookpublisherwashingtongovtprin