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 . WKSTKRN SWIFT, Sccloporus InsfriatusThe additional tail on this specimen is an irregularity resulting from an injury to the original member. COLLARED SWIFT. Sccloporus lorgualus poiiisctliiThe finest species of its genus. Attains a length of 10 inches. May be rnognised by the extremely coarse scales and broad black collar The Swifts Sub-division II. Internal border of small scales, extendingcompletely ab


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 . WKSTKRN SWIFT, Sccloporus InsfriatusThe additional tail on this specimen is an irregularity resulting from an injury to the original member. COLLARED SWIFT. Sccloporus lorgualus poiiisctliiThe finest species of its genus. Attains a length of 10 inches. May be rnognised by the extremely coarse scales and broad black collar The Swifts Sub-division II. Internal border of small scales, extendingcompletely about the margin of supraorbitalcrescent. Sometimes an additional, butfragmental, external border. Gray, with wavy black cross-bands; anoblong, black patch on each shoulder; abroad, pale band on each side; size large; scalescoarsely bristling. SPINY SWIFT, S. spinosus. Division B. A row of large, supraocular plates, with aa single internal border and two externalrows of small scales. Larger head platessmooth. Colour phases.—Grayish or olive with wavy, dark cross-bands. Usually a plate band (or two) oneach I. Traces of black collar on sides of neck. Bluish-black; a greenish or yellow spot ineach scale; a broad black collar on sides ofneck. Size large. YARROWS SWIFT, S. yarrovii. Sub-division II. No collar.


Size: 1981px × 1262px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No

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