The New Encyclopaedia Britannica
Encyclopaedia Britannica, 1974 - Encyclopedias and dictionaries - 934 pages
 Propaedia: outline of knowledge and guide to the Britannica.--- Micropaedia: ready reference and index.--- Macropaedia: knowledge in depth.
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straight line from dorsal fin to tip of jaws; jaws large, oblique; lower jaw prominent
; jaws and roof of mouth adapted for expelling ... Dorsal and anal fins set far back
on body; dorsal fin with 4 enlarged spines at front; 5 species, with black saddle ...
Resembles Stromateidae; presumably derived from a percoid- like ancestor; no
spines in fins; pelvics and scales present in young, both absent in adult; body
elongated, much compressed; up to 220 cm (7 ft). Suborder Blennioidei Fairly
Fin structure Early life ... The tail fin was tapering and whip-like in some, in others
was upturned (heterocercal). Arthrodira, Ptyctodontida, and Antiarchi had one or
two dorsal fins; Rhenanida and Petalichthyida had only enlarged dorsal scales.
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This is the 198215th Edition, in two halves, with the Macropaedia and the Micropaedia. First published in 1768, the publisher is the oldest English-language encyclopedia still in print. Two Scottish ... Read full review