First lesson in zoology : adapted for use in schools . THE BOOILB MAMMALS. 259 markable than in the orders which we haye already con-sidered. The lions or cats skull (Fig. 257) is massive,the canine teeth very large, and the feet have large retrac-tile Fig. 267—SkuUof the Lion. But before we describe the genuine Oarnivora, we mustdraw attention to the seals (Fig. 358) and their allies,which are admirably adapted to an aquatic life. Theirlimbs are modified into flippers for use in swimming.

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Keywords: ., bookcentury1800, bookdecade1890, booksubjectzoology, bookyear1894