The reptile book; a comprehensive popularised work on the structure and habits of the turtles, tortoises, crocodilians, lizards and snakes which inhabit the United States and northern Mexico . HEADS OF SERPENTS. Skull of a harmless snake. The numerous teeth on the upper jaw are solid and rigid. Head of a rattlesnake, showing the sheath that covers the fangs when they are not in use. The double fangs on one side indicate theearly shedding of one of these venom-conducting teeth. Observe the opening at the tip of each fang; it is from this the poison is ejected. Skeleton head of a pit viper. The
The reptile book; a comprehensive popularised work on the structure and habits of the turtles, tortoises, crocodilians, lizards and snakes which inhabit the United States and northern Mexico . HEADS OF SERPENTS. Skull of a harmless snake. The numerous teeth on the upper jaw are solid and rigid. Head of a rattlesnake, showing the sheath that covers the fangs when they are not in use. The double fangs on one side indicate theearly shedding of one of these venom-conducting teeth. Observe the opening at the tip of each fang; it is from this the poison is ejected. Skeleton head of a pit viper. The developing fangs may be seen behind the pair in use. A fully grown pair is ready to replace thefunctional fangs. From this illustration it will be seen a poisonous snake cannot be rendered permanently harmless by extracting its fangs. THE REPTILE Boos PLATE CXX
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License: Licensed
Model Released: No
Keywords: ., boo, bookcentury1900, bookcollection, bookdecade1910, bookyear1915
