. Report on the scientific results of the voyage of H. M. S. Challenger during the years 1873-76 under the command of Captain George S. and the late Captain Frank Tourle Thomson, R. N. rnnnr. as\ . E U P OLI A LithPWvcjWeyerlllp PLATE VI. h ^ PLATE VI. Pig. 1. Carinina ijrata, n. gen. et sp. The brain as situated in the deeper strata of the integument,seen in horizontal section (cf. woodcut fig. 5, p. 81). Br, Br, the anterior and the posteriorhrain-lobes. The inner fibrous core, of these lobes white ; in the anterior lolae traversed byradial fibres, in the posterior one containing th
. Report on the scientific results of the voyage of H. M. S. Challenger during the years 1873-76 under the command of Captain George S. and the late Captain Frank Tourle Thomson, R. N. rnnnr. as\ . E U P OLI A LithPWvcjWeyerlllp PLATE VI. h ^ PLATE VI. Pig. 1. Carinina ijrata, n. gen. et sp. The brain as situated in the deeper strata of the integument,seen in horizontal section (cf. woodcut fig. 5, p. 81). Br, Br, the anterior and the posteriorhrain-lobes. The inner fibrous core, of these lobes white ; in the anterior lolae traversed byradial fibres, in the posterior one containing the ciliated canal cc, that opens out in fig. 2 intothe cephalic groove Crj; Ngc, the nerve-cells of the brain-lobes (stretching outwards as far asthe red tint is ajaplied in the figure); , glandular cells connected with them ; E, theouter layer of the integument; Gi, the deeper one with gland-cells ; ec and LM, muscularlayers ; ba, blood-lacuna between the cesophagus and the muscular body-wall; Oe, lumen,Ik, epithelium of wsophagus ; Nr, branches of the so-called vagus nerve. Figs. 2, 3. Carinina ijrafa, n. gen. et sp. The posterior brain-lobe in following and preceding
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