. An introduction to zoology : for the use of high schools . Fig. 25.—The Cisco, or Lake Herring.(U. S. F. C.) Corego-nus artedi. 60 HIGH SCHOOL ZOOLOGY. Salmons by their large scales and toothless jaws. Both Salmonand White-fish have certain appendages of the intestines whichare not present either in the Siluroids or Cyprinoids; these aresituated at the junction of the stomach and intestine and areknown as the pyloric cceca. They serve to increase the digest-ing and absorhiug surface of the intestines. Tliey ai*e smalland few in number in certain smaller marline Salmonidfe suchas the Capelin
. An introduction to zoology : for the use of high schools . Fig. 25.—The Cisco, or Lake Herring.(U. S. F. C.) Corego-nus artedi. 60 HIGH SCHOOL ZOOLOGY. Salmons by their large scales and toothless jaws. Both Salmonand White-fish have certain appendages of the intestines whichare not present either in the Siluroids or Cyprinoids; these aresituated at the junction of the stomach and intestine and areknown as the pyloric cceca. They serve to increase the digest-ing and absorhiug surface of the intestines. Tliey ai*e smalland few in number in certain smaller marline Salmonidfe suchas the Capelin {Mallotus villosus) (Fig. 26) and Smelts(Osmerus mordax) (Fig. 27), which in spite of their size are ofsome importance as food-fishes. All of the Salmonidse havecycloid scales, a pseudobranch and an adipose Fig. 26.—The Capelin. Mallotus villosus. ^(U. S. P. C.)
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectzoology, bookyear1889
