Contributions to the Natural History of the Fresh Water Fishes of North America
Contributions to the Natural History of the Fresh Water Fishes of North America
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To quickly assess the difficulty of the text, read a short excerpt:
The origin of the first dorsal is situated six-eighths of an inch from the extre- mity of the snout. It is composed of seven rays extending on a longitudinal basis of five-sixteenths of an inch. Its upper margin is regularly convex ; the third and fourth rays are the longest; the lir-t ami second have the si/. C of the fifth and sixth ; the seventh is the shortest. The membrane runs from its tip to the anterior margin of the second dorsal, meeting the first ray on the middle of its height. IIow... different this fin is from the similar one in C. Meridional!. *, an in- spection of both figures will show at once.
The second dorsal is very close to the first, composed of sixteen undivided rays. The last of which is double. Its upper margin is likewise convex. The origin of the anal is under the third ray of the second dorsal; its outer margin is much more convex than that of the latter, and contains thirteen rays, the last one double. The caudal fin is rounded posteriorly. It is contained six times in the entire length.
What to read after Contributions to the Natural History of the Fresh Water Fishes of North America?
You can find similar books in the "Read Also" column, or choose other free books by Charles Girard to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
The origin of the first dorsal is situated six-eighths of an inch from the extre- mity of the snout. It is composed of seven rays extending on a longitudinal basis of five-sixteenths of an inch. Its upper margin is regularly convex ; the third and fourth rays are the longest; the lir-t ami second have the si/. C of the fifth and sixth ; the seventh is the shortest. The membrane runs from its tip to the anterior margin of the second dorsal, meeting the first ray on the middle of its height. IIow... different this fin is from the similar one in C. Meridional!. *, an in- spection of both figures will show at once.
The second dorsal is very close to the first, composed of sixteen undivided rays. The last of which is double. Its upper margin is likewise convex. The origin of the anal is under the third ray of the second dorsal; its outer margin is much more convex than that of the latter, and contains thirteen rays, the last one double. The caudal fin is rounded posteriorly. It is contained six times in the entire length.
What to read after Contributions to the Natural History of the Fresh Water Fishes of North America?
You can find similar books in the "Read Also" column, or choose other free books by Charles Girard to read onlineMoreLess
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