The Microscope. Its History, Construction, and Application 15th ed. / Being a familiar introduction to the use of the instrument, and the study of microscopical science

by Jabez Hogg

ANIMAL STRUCTURES.

Cat’s Tongue. No. 174.
Grayling Scale. No. 176.
Holothuria, Spicules of. Nos. 171-2.
Prawn Shell. No. 175.