. Animal life as affected by the natural conditions of existence. Animal ecology. 284 THE INFLUENCE OF INANIMATE SCKKOnNDINGS. whict he adds the Moluccas and Celebes. But quite irrespective of the question thus raised, which I shall discuss presently, the different portions of this Malayan province exhibit great and extraordinary differences. A greater contrast can hardly be conceived of, than that, for instance, between the fauna of Hong Kong, Amoy, or even Siam, on one side, and Borneo, Java, and Sumatra, on the other. And this difference is repeated in a very striking manner in the Philippi
. Animal life as affected by the natural conditions of existence. Animal ecology. 284 THE INFLUENCE OF INANIMATE SCKKOnNDINGS. whict he adds the Moluccas and Celebes. But quite irrespective of the question thus raised, which I shall discuss presently, the different portions of this Malayan province exhibit great and extraordinary differences. A greater contrast can hardly be conceived of, than that, for instance, between the fauna of Hong Kong, Amoy, or even Siam, on one side, and Borneo, Java, and Sumatra, on the other. And this difference is repeated in a very striking manner in the Philippines, where the northern district displays an unmistakable harmony with the true Chiaese fauna, while the southern islands show a marked resemblance partly to Borneo, partly to Celebes and Gilolo, and partly to the western islands of the Australian Pig. 73.—Shells of Molluscs from the Philippines, a, Cochlostyla staMlis, Sow.; b, ChloroBa n. sp.; c, Chlorcea benguetenm, S.; (/, Cochlostyla magtanemis, S. As these remarkable facts are probably not universally known, I will here give rather fuller details as to the more im- portant of them. The most prominent feature of the fauna of the Philippines is beyond a doubt its terrestrial moUusca.'"* Setting aside the minuter forms for the present, the following five genera are those which give this fauna its peculiar character : Cochlostyla, (see fig. 73, a and d), Ohbina, GhlorcBa, Helicarion, and Rhysota. They are here extremely rich in species, while on the adjacent , not belonging to the Philippine group, only a few quite. 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
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