. On the anatomy of vertebrates [electronic resource] . d di-apophysesis not always closed by bone. Occasionally the pleurapophyseslg5 of the seventh, fig. 185, a, A b, and, more rarely, also of the sixth, a, vertebras, mani-fest their rib-like nature byincrease of length, and free-dom of articulation, even inMan; but these segmentsare not completed by thehasmapophyses and hasmalspine. This resumption oftype takes place in the eighthvertebra, ib. c, d; and thedorsal series of vertebras herebegins, as a rule, in Mam-mals. The most marked ex-ception occurs in the Ai(Bradypus tridactylus); andif
. On the anatomy of vertebrates [electronic resource] . d di-apophysesis not always closed by bone. Occasionally the pleurapophyseslg5 of the seventh, fig. 185, a, A b, and, more rarely, also of the sixth, a, vertebras, mani-fest their rib-like nature byincrease of length, and free-dom of articulation, even inMan; but these segmentsare not completed by thehasmapophyses and hasmalspine. This resumption oftype takes place in the eighthvertebra, ib. c, d; and thedorsal series of vertebras herebegins, as a rule, in Mam-mals. The most marked ex-ception occurs in the Ai(Bradypus tridactylus); andif the vertebras, fig. 185, B, 8, 9, supporting the pleurapophyses, a, b, be regarded as homologouswith the first two dorsals in otherMammals, the exception is so farsaved: but the presence of shortpleurapophyses in all the cer-vical vertebras and their occa-sional developement in the lasttwo, as in fig. 185, A, support therecognition of the tenth verte-bra in the Three-toed Sloth, ib. b,io, c, d, as the first dorsal. Thepleurapophyses of the dorsal ver-. Cervical vertebra, A Man, b Sloth. 186
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