. On the anatomy of vertebrates [electronic resource] . condary character of convolutions, Gyrencephala. The smoothbrain of the small Monkey {Midas rufimanus) is figured in lxiv. to illustrate suchprimary character. To be consistent, Mr, Murray would have to remove the Mar-mosets as well as the Galagos to the Insectivora; ci. pp. 9 and 10. SKELETON OE QUADRUMANA. 513 nigrifons the metapophysis begins to be developed in the middledorsal vertebrae, and, in the tenth, projects above, but distinctfrom, the diapophysis. In the eleventh the diapophyses havedisappeared, and the metapophysis is on the
. On the anatomy of vertebrates [electronic resource] . condary character of convolutions, Gyrencephala. The smoothbrain of the small Monkey {Midas rufimanus) is figured in lxiv. to illustrate suchprimary character. To be consistent, Mr, Murray would have to remove the Mar-mosets as well as the Galagos to the Insectivora; ci. pp. 9 and 10. SKELETON OE QUADRUMANA. 513 nigrifons the metapophysis begins to be developed in the middledorsal vertebrae, and, in the tenth, projects above, but distinctfrom, the diapophysis. In the eleventh the diapophyses havedisappeared, and the metapophysis is on the outside of the prozyg-apophysis. From this vertebra a well-marked anapophysis isdeveloped, which is continued from all the succeeding diapophysis reappears upon the first lumbar, and increasesin length and breadth as the other lumbar vertebras approach thesacrum. The centre of motion of the back is indicated by thevertical spine of the tenth dorsal vertebra, towards which those ofthe other dorsal and of the lumbar vertebrae incline. 343. Skeleton of the Aye-aye. (Cheiromys madajascariensis.) B. Hand of Potto. In the Aye-aye ( Cheiromys), fig. 343, the true vertebrae describeone slight curve convex backward from the middle dorsal to thepenultimate lumbar, beyond which there is a slight bend in theopposite direction to and including the sacrum. The bodies ofthe dorsal vertebrae gradually lengthen and deepen as they ap-proach the loins, with a narrower and at last almost carinateunder surface. The diapophysis, longest on the first dorsal, verygradually shortens to the eleventh, where the beginnings of themetapophysis and anapophysis are manifest. These processesbecome widely separated in the twelfth and thirteenth dorsals,and the diapophysis is lost. The neural spines are of equal lengththroughout the dorsal series. The vertical one is on the eleventh VOL. II. l L 514 ANATOMY OF VERTEBRATES. dorsal, towards which the rest of the dorso-lumbar series slightlyincline.
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