Carpenter, William Benjamin, 1813-1885 · Philadelphia : Blakiston · leaf 753
he animal membrane leaves the contained prisms without any connecting me-dium : as they are then quiteisolated, they can be readilydetached one from another;and each one may be observedto be marked by the likestriations, which, when asufficiently high magnifyingpower is used, are seen to beminute… … Section of the Shell of Pinna, in thedirection of its prisms. base, the lines of junction of which correspond with the trans-verse striation; and this view corresponds well with the fact,that the shell-membrane not unfrequently shows a tendency to Fig. 388.
Microscopy · Biology
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