David Starr Jordan:A Manual Of The Vertebrate Animals Of The Northern United States
- new book ISBN: 9781152100244
This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not … More...
This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1888 edition. Excerpt: ...on the sides of the vent; vent a transverse slit; tongue forked, capable of protrusion; no eyelids, nor external ears. Various anatomical characters distinguish the snakes, but the elongated form and absence of limbs separate them at once from all our other vertebrates, excepting the lizard Ophiosaurus, and this is not in any other respect, snake-like. a. Maxillarv horizontal, not excavated; no trace of hinder limbs; no deep pit between eye and nostril; poison fangs wanting, or if present, permanently erect. b. Upper jaw with solid teeth only; no grooved nor perforated fangs. (Nonvenomous.)............ Cownnln.-E, 110. bb. Upper jaw with a permanently erect perforated fang in front. (Somewhat venomous.).............. ELAPIDE, 111. aa. Maxillary vertical; upper jaws in front with large, erectile perforated fangs; fangs not grooved in front; a deep pit on each side behind nostril, partly occupying the excavated maxillary. ( Venomous.) CRo''raLlnas, 112. FAMILY CX. COLUBRIDE. (Tan COLUBRINE SNAKES.) Both jaws fully provided with teeth, which are conical and not grooved; head covered with shields; no poison fangs; no spur-like appendages to vent; belly covered with broad band-like plates (ventral plates or gastrosteges); tail conical, tapering; sub-caudal plates (urosteges) arranged in pairs.. A very large family comprising 225 genera, and upwards of 700 species, found in nearly every part of the world, but most abundant in warm regions. They differ from the Elapidw in the want of erect poison fangs; from the Crotalidw, in having both jaws fully provided with teeth, and in the absence of erectile poison fangs; and from the Boidw and their relatives in the want of the spur-like rudimentary posterior limbs. a. Head conic, not distinct from the... David Starr Jordan, Books, Science and Nature, A Manual Of The Vertebrate Animals Of The Northern United States Books>Science and Nature Publisher: Chicago, A.C. McClurg and company Publication date: 1899 Subjects: Vertebrates -- United States Notes: This is an OCR reprint. There may be typos or missing text. There are no illustrations or indexes. When you buy the General Books edition of this book you get free trial access to Million-Books.com where you can select from more than a million books for free. You can also preview the book there.<
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David Starr Jordan:A Manual Of The Vertebrate Animals Of The Northern United States
- new book ISBN: 9781152100244
This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not … More...
This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1888 edition. Excerpt: ...on the sides of the vent; vent a transverse slit; tongue forked, capable of protrusion; no eyelids, nor external ears. Various anatomical characters distinguish the snakes, but the elongated form and absence of limbs separate them at once from all our other vertebrates, excepting the lizard Ophiosaurus, and this is not in any other respect, snake-like. a. Maxillarv horizontal, not excavated; no trace of hinder limbs; no deep pit between eye and nostril; poison fangs wanting, or if present, permanently erect. b. Upper jaw with solid teeth only; no grooved nor perforated fangs. (Nonvenomous.)............ Cownnln.-E, 110. bb. Upper jaw with a permanently erect perforated fang in front. (Somewhat venomous.).............. ELAPIDE, 111. aa. Maxillary vertical; upper jaws in front with large, erectile perforated fangs; fangs not grooved in front; a deep pit on each side behind nostril, partly occupying the excavated maxillary. ( Venomous.) CRo''raLlnas, 112. FAMILY CX. COLUBRIDE. (Tan COLUBRINE SNAKES.) Both jaws fully provided with teeth, which are conical and not grooved; head covered with shields; no poison fangs; no spur-like appendages to vent; belly covered with broad band-like plates (ventral plates or gastrosteges); tail conical, tapering; sub-caudal plates (urosteges) arranged in pairs.. A very large family comprising 225 genera, and upwards of 700 species, found in nearly every part of the world, but most abundant in warm regions. They differ from the Elapidw in the want of erect poison fangs; from the Crotalidw, in having both jaws fully provided with teeth, and in the absence of erectile poison fangs; and from the Boidw and their relatives in the want of the spur-like rudimentary posterior limbs. a. Head conic, not distinct from the... David Starr Jordan, Books, Science and Nature, A Manual Of The Vertebrate Animals Of The Northern United States Books>Science and Nature, General Books LLC<
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(*) Book out-of-stock means that the book is currently not available at any of the associated platforms we search.