. An introduction to zoology : for the use of high schools . Fig. 28.—The Gizzard-Shad. Dorosoma cepedianum—vax. het^rurum. J. (U. S. F. C.) 13. More familiar to inland residents is the family Esocidae,a group which is found in the fresh waters of the northernparts of both hemispheres. The largest representative is the-Muskallunge, Esox nohilior, Thompson (Fig. 29), but the corn-. Fig. 29.—The Muskellunge. Esox noMKor. ^.(U. S. F. C.) mon species is the Pike, E. luciiis, which is marked with lightspots on a darker gi-ound. All the species are voracious andare provided with a lai-ge mouth armed
. An introduction to zoology : for the use of high schools . Fig. 28.—The Gizzard-Shad. Dorosoma cepedianum—vax. het^rurum. J. (U. S. F. C.) 13. More familiar to inland residents is the family Esocidae,a group which is found in the fresh waters of the northernparts of both hemispheres. The largest representative is the-Muskallunge, Esox nohilior, Thompson (Fig. 29), but the corn-. Fig. 29.—The Muskellunge. Esox noMKor. ^.(U. S. F. C.) mon species is the Pike, E. luciiis, which is marked with lightspots on a darker gi-ound. All the species are voracious andare provided with a lai-ge mouth armed with strong teeth. Thebody is slender and elongated, there is no adipose fin, the pseudo-branchs are concealed and there are no pyloric cceca. As 62 HIGH SCHOOL ZOOLOGY. allied to the Esocidae may be mentioned the Umbridae, onespecies of which, the little mud-minnow {Umbra limi), is to befound widely distributed in muddy ditches. The mud-minnowis in some respects allied to the Blind-Fishes of the Southernfetates (Amblyopsidse ), the best known of which and the largestis A. spekeus from the subterranean waters of the MammothCave, Kentucky. In accordance with the subten^anean lifethe Blind-fish is colourless, the eyes are extremely rudimentary,but the sensitiveness of the skin is increased by tactile organslike those described in § 9, which are elevated on rows of papill
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectzoology, bookyear1889
