Fish Skulls: A Study of the Evolution of Natural Mechanisms, Transactions, American Philosophical Society (Vol. 23, Part 2)

The vast and scattered literature of ichthyology contains hundreds of figures and descriptions of the skulls of teleost fishes, both recent and fossil. This collection of drawings of teleost skulls attempts a new review of the field as a whole, with special reference to problems of evolution. Contents: The Beginnings of the FS; Classification and Nomenclature of FS Parts; The Evolution of Particular FS Types; Isospondyli (Primitive Teleosts); Ostariophysi; Heteromi; Apodes; Mesichthyes (Intermediate Teleosts); Acanthoptyerygii (Spiny-finned Teleosts); Tentative Phylogeny of the Principal FS Types; The FS as a Natural Mechanism; The FS as a Document of Evolution; The Problem of Differential Growth and Evolution in FS; Bibliography. Illus. This is a print on demand publication.