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 . Length of Head if Distribution.—Southern Oregon, Idaho, Colorado, Nevada,Utah, Arizona, New Mexico and western Texas. It also extendssouthward into Mexico. The Western border of its distributionis the Sierra Nevada range of mountains, west of which boundaryoccurs the Pacific Coast species, P. catenijer. THE PACIFIC BULL SNAKE, YELLOW GOPHER SNAKE Pituopbis catcnijer, (Blainville) Moderately large in size


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 . Length of Head if Distribution.—Southern Oregon, Idaho, Colorado, Nevada,Utah, Arizona, New Mexico and western Texas. It also extendssouthward into Mexico. The Western border of its distributionis the Sierra Nevada range of mountains, west of which boundaryoccurs the Pacific Coast species, P. catenijer. THE PACIFIC BULL SNAKE, YELLOW GOPHER SNAKE Pituopbis catcnijer, (Blainville) Moderately large in size and stout of form, but with pro-portionately smaller head than the preceding. Colouration.—Dull yellowish-brown, with small and squarereddish-brown (or black) blotches on the back. These blotches 320 THE REPTILE BOOK PLATE XCIX. Largest of the North American serpents. COMMON BULL SNAKE, Piluophis sayiOf economic value, as it prevs largely upon rodents. Found in the Plains Region and the West


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Keywords: ., boo, bookcentury1900, bookcollection, bookdecade1910, bookyear1915