. The Annals and magazine of natural history; zoology, botany, and geology. Natural history; Zoology; Botany; Geology. Anatomy and Affinities of Hypsobia nosophora. 407 septum [cf. Robson (12)], which, as in tlie Paludesti-inidre, passes between the pedal ganglia and the cerebro-pleural complex. V. The Nervous System. (Figs. 4 & 5.) (a) Sense-organs. 1. Osjyhradium.—This is a small rod-shaped organ lying, as usual, on the left-hand side of the gill. It is innervated by a conspicuous nerve rising from the supra-intestinal ganglion. Fiff. H. nosophora. Central nervous system (anterior as


. The Annals and magazine of natural history; zoology, botany, and geology. Natural history; Zoology; Botany; Geology. Anatomy and Affinities of Hypsobia nosophora. 407 septum [cf. Robson (12)], which, as in tlie Paludesti-inidre, passes between the pedal ganglia and the cerebro-pleural complex. V. The Nervous System. (Figs. 4 & 5.) (a) Sense-organs. 1. Osjyhradium.—This is a small rod-shaped organ lying, as usual, on the left-hand side of the gill. It is innervated by a conspicuous nerve rising from the supra-intestinal ganglion. Fiff. H. nosophora. Central nervous system (anterior aspect). /c=left cerebral ganp^lion; //;/=left pleural gang-lion; ji) = pedal ganglion ; ;Y)/=rigbt pleural ganglion; pj) = (sc.) parapodial and propodial ganglia; sr = supraintestinal ganglion; s&«"=subintestinal gan- gliou ; o = ospbradial nerve ; rc = visceral Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original London, Taylor and Francis, Ltd


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Keywords: ., bookce, booksubjectbotany, booksubjectgeology, booksubjectzoology