. A text-book of agricultural zoology. Zoology, Agricultural; Zoology, Economic. 328 ICHTHYOPSIDA. liind-legs are enormously developed and adapted for leaping, the toes always webbed ; the toes of the fore-limbs are free. The Common Frog (Sana temjwirma), which is our common species, is found over nearly the whole of Europe, IsTorth Asia, North Africa, and North America. The adults hibernate in all manner of moist situations—especially in mud, in dykes, and pools— until the spring, when they come forth and soon commence to breed and to deposit the gelatinous spawn in large masses in the water.


. A text-book of agricultural zoology. Zoology, Agricultural; Zoology, Economic. 328 ICHTHYOPSIDA. liind-legs are enormously developed and adapted for leaping, the toes always webbed ; the toes of the fore-limbs are free. The Common Frog (Sana temjwirma), which is our common species, is found over nearly the whole of Europe, IsTorth Asia, North Africa, and North America. The adults hibernate in all manner of moist situations—especially in mud, in dykes, and pools— until the spring, when they come forth and soon commence to breed and to deposit the gelatinous spawn in large masses in the water. The development and growth of the tadjiole have been previously described. The Frog often wanders far from water, but they must have a certain amount of damp to flourish. They are most beneficial in gardens, feeding off all kinds of vermin, and should he encouraged with the Toad. Amongst the Urodela we have in Britain two well-known species, the Great Crested Newt [Triton cridatiis) and the Common Newt (Lissotriton tceniatus). The "Water-Salamandere or Tritons have a compressed fish-like tail, and breathe only by. Fig. 168.—Male Crested Newt (Triton crUtatvs). (Nicholson.) lungs. The tongue is small and free, and the mouth is pro- vided with two rows of teeth. There will be observed, if we examine a crested newt, to be four toes only to each foot in front and five on each foot behind. All water-newts produce ovip- arously, and the males can be distinguished by having a large dorsal crest on the bade and tail. This crest appears during the. 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 Theobald, Frederick Vincent, 1868-1930. Edinburgh and London, W. Blackwood and Sons


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Keywords: ., bookcentury1800, bookdecade1890, booksubjectzoology, bookyear1899