. Animal coloration; an account of the principal facts and theories relating to the colours and markings of animals. Animals. WAKNING COLORATION. 181 position that the reptile was for some reason or other to be avoided by its foes. Now, Helodenna is the only certainly known case of a poisonous lizard : it has grooved teeth, which â conduct the poison from the glands which secrete it, con- structed on a plan similar to that of many poisonous serpents ; and it has been proved, by actual experiment upon some specimens exhibited in the Zoological Society's Gardens, that the bite of this creature i
. Animal coloration; an account of the principal facts and theories relating to the colours and markings of animals. Animals. WAKNING COLORATION. 181 position that the reptile was for some reason or other to be avoided by its foes. Now, Helodenna is the only certainly known case of a poisonous lizard : it has grooved teeth, which â conduct the poison from the glands which secrete it, con- structed on a plan similar to that of many poisonous serpents ; and it has been proved, by actual experiment upon some specimens exhibited in the Zoological Society's Gardens, that the bite of this creature is fatal to many small Fig. 20.âCoral Snake. It is sluggish in its habits uutil thoroughly roused and infuriated. For a creature of this kind some advertisement of its deadly qualities is most useful. The poisonous snakes are, perhaps, not as a rule brilliantly coloured, but there are ])lenty of exceptions to this rule : the deadly Elaps of Central and South America (fig. 20) is ringed with black and red, and thus furnishes another example of the common plan of coloratiou and the often similar colours which are utilised for warning purposes. This lias been emphasised by Mr. Poulton,. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Beddard, Frank E. (Frank Evers), 1858-1925. London, S. Sonnenschein; New York, Macmillan
Size: 2034px × 1229px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1890, booksubjectanimals, bookyear1892
