. A guide to the study of fishes. Fishes; Zoology; Fishes. Series Plectognathi 423 and three-rooted. All are reputed poisonous, especially in the equatorial seas. In Diodon the spines are very long, the anterior ones, at least, movable. The common porcupine-fish, Diodon hystrix, is found in all seas, and often in abundance. It is a sluggish fish, olive and spotted with black. It reaches a length of two feet or more, and by its long spines it is thoroughly protected from all enemies. A second species, equally common, is the lesser porcupine-fish, Diodon liolacaiitluis. In this species, the fron
. A guide to the study of fishes. Fishes; Zoology; Fishes. Series Plectognathi 423 and three-rooted. All are reputed poisonous, especially in the equatorial seas. In Diodon the spines are very long, the anterior ones, at least, movable. The common porcupine-fish, Diodon hystrix, is found in all seas, and often in abundance. It is a sluggish fish, olive and spotted with black. It reaches a length of two feet or more, and by its long spines it is thoroughly protected from all enemies. A second species, equally common, is the lesser porcupine-fish, Diodon liolacaiitluis. In this species, the frontal spines are longer than those behind the pectoral, instead of the reverse, as in Diodon Iiystrix. Many species of Diodon are recorded from the Eocene, besides numerous species from later deposits. One of these, as Heptadiodon hcptadiodon from the Eocene of Italy, with the teeth subdivided, possibly represents a distinct family. Diodon erinaceiis is found in the Eocene of Monte Bolca and Progyinnodon liilgendorfi in the Eocene of Egypt. In the rabbit-fishes {Chilomycterus) the body is Fig. 362.—, Chilomycterus schcepfi ("Walbaum). Noank, Conn. covered with triangular spines, much shorter and broader at base than those of Diodon. Numerous species are known. Chilomycterus sdurpfi is the common rabbit-fish, or swell- toad of our Atlantic coast, light green, prettily varied with black lines. The larger, Chilomycterus afpnis, with the pectoral fin spotted with black, is widely dift'used through the Pacific. It is rather common in Japan, where it is the torabuku, or tiger puffer. It is found also in Hawaii, and it is once recorded by Dr. Eigenmann from San Pedro, California, and once by Snod- grass and Heller, from 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 Jo
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