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Show 298 ON THE SENSOEY CANAL SYSTEM OF FISHES. [Apr. 2, 4. COLLINGE, W A L T E E E . - " Some Researches upon the Sensory Canal System of Ganoids." Proc. Birmingham N. H. & Phil. Soc. 1895, vol. ix. pp. 77-81. 5. H Y B T L , J.-" Ueber den Seitencanal von Lota." Sitzungsb. d. k. Akad. d. W., Math.-naturw. CI. 1866, Bd. i. pp. 551-557, 1, pi. 6. LEYDIG, F.- " Ueber die Schleiinkanale der Knochenfische." Arch. f. Anat. und Phys. 1850, pp. 170-181, Taf. iv. 7. LEYDIG, F.-" Neue Beitrage zur anatomischen Kenntniss der Hautdecke und Hautsinnesorgane der Fische." Festschrift d. Naturf. Ges. zu Halle, 1879, pp. 1-58, Taf. vii.-x. 8. LEYDIG, F.-' Zur Kenntniss der Hautdecke und Mund-schleimhaut indischer Cyprinoiden.' Bonn, 1883, pp. 1-28, T. 1-11. 9. M'DONNELL, R.-" On the System of the Lateral Line in Fishes." Trans. Roy. Irish Acad. 1862, vol. xxix. pp. 161- 187, pis. iv.-vi. 10. M C M U E E I C H , J. P.-" The Osteology of Amiurus catus (L.), Gill." Proc. Canadian Inst. 1884, vol. ii. N. S. pp. 270-310, pi. ii. 11. POLLABD, H. B.-"The Lateral Line System in Siluroids." Zool. Jahrb.' 1892, pp. 525-550, pis. xxxv., xxxvi. 12. W E I G H T , R. R A M S A Y . - " On the Skin and Cutaneous Sense-organs of Amiurus." Proc. Canadian Inst., 1884, vol. ii. N. S. pp. 251-269, part of pi. 1. 13. W E I G H T , R. R A M S A Y . - " On the Nervous System and Sense-organs of Amiurus." Ibid. pp. 352-386, pis. i., iv.-vi. E X P L A N A T I O N O P P L A T E S XVIII.-XXI. Fig. 1. Diagrammatic view of the head of Clarias, illustrating the distribution of the sensory canal system of the head and the nerves innervating their sense-organs. The canals and branches are coloured yellow, the trigeminal nerve blue, and the facial red. Lettering. cb. f. F.com. hyom. I'.' L.C. m. M.C. m.pt. Oc.com. op. Op.-Mn. or. p.op. qu. r.b. Canal-bone. Frontal. Frontal commissure. Hyomandibular. Vagi lateralis. Anterior branch of vagi lateralis. Lateral canal. Mandible. Main canal. Metapterygoid. Occipital commissure. Operculum. Operculo-mandibular branch of main sensory canal. Orbit, Preoperculum. Quadrate. Ramus buccalis. r.hm. r.hy. r.m. r.mn. r.m'. r.o.p. r.o.s. r.ot. s.op. S.or. Sp.o. V.gl. Vg. R a m u s hyomandibularis. R a m u s hyoideus. R a m u s maxillaris. R a m u s mandibularis (trigeminal). R a m u s mandibularis (facial). R a m u s ophthalmicus profundus. R a m u s ophthalmicus superficialis. R a m u s oticus. Sub-operculum. Sub-orbital branch of main sensory canal. . Supra-orbital branch of main sensory canal. . Vagus ganglion. Vagus. |