. The wonder of life. Biology; Natural history; Zoology. 424 THE WONDER OF LIFE into a pool, where he is freed from his hving burden. In the case of the Surinam toad (Pipa), the male is said to help the female in placing the eggs upon her back, where each sinks into a httle skin pocket, in which it develops without passing through a tadpole stage. In Nototrema the female has a dorsal pouch opening backwards, and into this the male pushes the eggs with his hind legs. In a Uttle South American frog, Darwin's Rhinoderma, the male carries the (5-15) ova in his croaking-sacs, which become enormousl
. The wonder of life. Biology; Natural history; Zoology. 424 THE WONDER OF LIFE into a pool, where he is freed from his hving burden. In the case of the Surinam toad (Pipa), the male is said to help the female in placing the eggs upon her back, where each sinks into a httle skin pocket, in which it develops without passing through a tadpole stage. In Nototrema the female has a dorsal pouch opening backwards, and into this the male pushes the eggs with his hind legs. In a Uttle South American frog, Darwin's Rhinoderma, the male carries the (5-15) ova in his croaking-sacs, which become enormously enlarged in the course of their develop- ment. Eventually miniature frogs jump out of the father's mouth ! In a number of birds the incubation is shared by both sexes; in the American ostrich (Rhea) it is said to be wholly discharged by the male. When we see the male lumpsucker or cock-paidle (Cyclopterus) mounting guard over the mass of eggs in the rock-pool, and keeping them clean and aerated by frequent agitations of the water, and continuing at this. 'â 9*"??' '<^ Fia. 66.âThe Lumpsucker {Cyclopterus lumpus). From a 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 Thompson, John Arthur, Sir, 1861-1933. London, A. Melrose, Ltd
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Keywords: ., bookcentury1900, booksubjectnaturalhistory, booksubjectzoology
