. Animal life as affected by the natural conditions of existence. Animal ecology. Fig. 78.—Vaiious fresli-water snails. «, Lymncea; b, Sucdnea; c, Physa; rf, PlanorbU, operculated forms; but the fact is precisely the contrary. Analogous examijles of other fresh-water animals could easily be adduced. Thus, for instance, it is impossible to explain the existence of Temnocephala chilensis (see fig. 76) in Chili, the Philippines, and Java, by supposing it to have been carried thither by birds, for it deposits its eggs in its host; and these are creatures much too large to have been carried alive b
. Animal life as affected by the natural conditions of existence. Animal ecology. Fig. 78.—Vaiious fresli-water snails. «, Lymncea; b, Sucdnea; c, Physa; rf, PlanorbU, operculated forms; but the fact is precisely the contrary. Analogous examijles of other fresh-water animals could easily be adduced. Thus, for instance, it is impossible to explain the existence of Temnocephala chilensis (see fig. 76) in Chili, the Philippines, and Java, by supposing it to have been carried thither by birds, for it deposits its eggs in its host; and these are creatures much too large to have been carried alive by birds across the ocean. It would certainly be, I will not say a grateful, but a very. 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 Semper, C. (Carl), 1832-1893. New York, D. Appleton
Size: 1957px × 1277px
Photo credit: © Central Historic Books / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1880, bookpublishernewyo, bookyear1881
