The evolution of man : a popular exposition of the principal points of human ontogeny and phylogeny . V 771 = ?nv Fig. 227.—Brains of three embryonic Skulled Animals in vertical longi-tudinal sections: A, of a Shark (Heptanchus); B, of a Snake (Coluber); C, ofa Goat (Copra); a, fore-brain ; b, twixt-brain ; c, mid-brain ; d, hind-brain;e, after-brain; s, primitive fissure of the brain. (After Gegenbaur.) Fig. 228.—Brain of a Shark (Sajllium) from the dorsal side : g, fore-brain ; h, olfactory bulbs of the fore-brain, which send the large olfactorynerves to the large nose capsules (o); d, twixt
The evolution of man : a popular exposition of the principal points of human ontogeny and phylogeny . V 771 = ?nv Fig. 227.—Brains of three embryonic Skulled Animals in vertical longi-tudinal sections: A, of a Shark (Heptanchus); B, of a Snake (Coluber); C, ofa Goat (Copra); a, fore-brain ; b, twixt-brain ; c, mid-brain ; d, hind-brain;e, after-brain; s, primitive fissure of the brain. (After Gegenbaur.) Fig. 228.—Brain of a Shark (Sajllium) from the dorsal side : g, fore-brain ; h, olfactory bulbs of the fore-brain, which send the large olfactorynerves to the large nose capsules (o); d, twixt-brain; b, mid-brain (behindit, the insignificant rudiment of the hind-brain); a, after-brain. (AfterBusch.) Fig. 229.—Brain and dorsal marrow of a Frog : A, from the dorsal side ;B, from the ventral side ; a, olfactory bulbs, in front of the fore-brain (b) ;i, funnel at the base of the twixt-brain; c, mid-brain; d, hind-brain; s,rhomboid groove in the after-brain ; m, dorsal marrow (very short in thefrog); m, root-processes of the spinal nerves; t, fibre at the end of thedorsal marrow. (
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Keywords: ., book, bookcentury1800, bookdecade1870, booksubjectembryologyhuman
