. Das Museum der Naturgeschichte, mit einleitenden Essay über die Naturgeschichte der Urwelt: Ein populäres Konto der Struktur, der Gewohnheiten und der Klassifizierung der verschiedenen Abteilungen des Tierreiches, der Vierfüßler, der Vögel, der Reptilien, der Fische, der Muscheln und der Insekten, einschließlich der Insekte, die zur Landwirtschaft zerstörend sind. Schutz; Und alle begrenzt in ihrer geographischen Verteilung fast auf die Sameregionen von Amerika, die einst der Lebensraum des Megatherium waren. Aber lassen Sie uns mit einem gewissen Grad der Aufmerksamkeit die wichtigeren Organe dieses scheinbar monströse Geschöpf untersuchen, und wir werden es sehen

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. The museum of natural history, with introductory essay on the natural history of the primeval world : being a popular account of the structure, habits, and classification of the various departments of the animal kingdom, quadrupeds, birds, reptiles, fishes, shells, and insects, including the insects destructive to agriculture . shelter; and all limitedin their geographical distribution nearly to the sameregions of America that were once the habitat of theMegatherium. But let us examine with some degree of attentionthe more important organs of this seemingly monstrouscreature, and we shall see how admirably they arefitted for the peculiar work they were called upon toperform. The bones of the head most nearly resemblethose of a Sloth. The long broad bone descendingto the cheek from the zygomatic arch, however, isFrom tile Liitin e, without, and t/ens, a tooth. 42 NATURAL HISTOUY OF THK PRIMEVAL WORLD. a peculiarity connecting tlie Megatlicriiim with tlieAi; lliis extraordiaary boue assisted a powerful set ofmuscles in giving motion to the lower jaw. Theanterior part of the muzzle, according to Dr. Buck-lam], of whose admiialile description we are largelyavailing our.selves, is so strong and substantial, andso perforated with holes fur the passage of nerves andvessels, that wc may be assin-ed it supported some. Megatherium restored. org.in of considerable size. As a long trunk was notneeded by an animal with so long a neck, this organwas probably a snout, something like that of the tapir, of sufBcient length to gather up roots from the ground.The partition of the nostrils being also strong and bony, furnishes an additional argument for the presence ofa iiowerful organ appended to the nose; an apparatuswhich would have sutTiciontly compensated for theabsence of incisor teeth and tusks. Having no incisors, the Megatheiiuni could not have lived upon grass, whilethe structure of its molar teeth proves that it was notcarnivorous. The composition of a single molar tooth rese

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