AVAI.YTIi Al. INDEX. 



II \rill: \\.-rantiiHUd. 



Feeds on the Laminaria, . . . r40E 41 



Note M to UM Testaoea, .... ib. 



TtBBO 8EMO, ..... lb. 



Specimen taken at Qncensforry in 1811, . . ib. 



Shell throe lines, with seven volutes, . . ib. 



Animal a liinnx, .... ib. 



i;. --..r.-.i t.. ii:'.- i.\ i><:nrtimiiL- i!i- -!,. :i. . . ' ib. 



Survived eight yean and eight months, . . 42 



Food the green focus, . . . . ib. 



Limacine tribes live in fresh and in salt waters, ib. 



HEUX rcBKOER (FCKEGUMUB), . ib. 



A common and well known animal, . . ib. 



Shell and animal described, . . . . ib. 



Food, ...... ill. 



Spawn, . . 43 



PRYSA roimxAUS, .... ib. 



Shell and animal described, . . . . ib. 



Food, ...... ib. 



Disposition and habits, . . . . ib. 



Spawn in July and August, ... ib. 



LIMNAUS, ...... 44 



Shell and animal described, ... ib. 



Plate IX. described, . . . . <3, 44 



MISCELLANEOUS, . . . ib. 



Ffgus COKNECB, . . . . . ib. 

 Among the larger and more symmetrical of the Scotish 



shells, ib. 



Shell and animal described, ... 45 



Dwells in deep waters, . . . ib. 



RETICULATED SHELLS. BOCCIBBM, . . ib. 



Shell and animal described, . ib. 



Colour brownish, ... . ib. 



Feeds on mussel, ... 46 



IfCREX ATTEXCATtS, .... ib. 



Shell, animal, colour, &e., . . ib. 

 Plate X. described, . . . .45,46 



