AMALYTH U. IMtRJC. | li ; 



i IIAI'IT.l; \\. f onti,wd. 



2. CUITON TCLOAEIB, .... r*o 16 



Length and figure of. bell, Ae^ . . . ib . 



Food, ...... ib. 



Motion ilow, ..... ib. 



Survive, long, . . . ib. 



Note .pecicM peculiar to Scotland, . . _,', 



2. PATELLA The Limpet, . . . . ib. 



A comprehensive group, not properly defined, . ib. 



AXCYLCS FLUVIAI-ILIS, . . . .27 



Resembles the limpet, but inhabit* fresh water*, . ib. 



The .hell and animal described, . . ib. 



MM considerable activity, . . . ib. 



Food, ..... ib. 

 Beproduetioo observation* on specimens, * . 28, 29 



8. ANCYLCI LACUTIS, .... 80 



Thi. species confounded with the preceding, . ib. 



Shell and animal described, . . . . ib. 



Food, ...... ib. 



Spawn, ...... ib. 



Breed from beginning of June to A ugu*t, . 81 



Plate VI. deKribed, ..... ib. 



PATELLA VUUJATA, ..... 82 



The common limpet abundant, ... ib. 



Animal decribed, ..... ib. 



Form and colour of tbeU, ... ib. 



Habits and tue, ..... ib. 



PATELLA PELLUCIDA, .... 88 



Shell and animal detcribed, . . ib. 



Ocean on the common Laminaria, . . ib. 



PATELLA CNDATA The Waved Limpet, . . ib. 



Form of the .hell, &c^ .... ib. 



PATELLA TEMELATA, . . 84 



Oval and teMelated, .... ib. 



Colour dingy white, ..... ib. 



Difficult to discriminate speciea, ... ib. 



PATELLA? ...... ib. 



Placed here provisionally, . . ib. 



VOL. in. O 



