Fig. 9. ^ig. 10. Scales of Fish.—^The study of the dermal covering offishes has of late years become of vast importance,arising from the investigation and discovery of M. Agassiz,who has demonstrated that the nature and form of the 58 MICROSCOPIC OBJECTS. scale are a constant indication of the…
Microscopy
Internet Archive · Biodiversity Heritage Library · Public Domain Mark 1.0. Free to use for anything.
