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9 9 0 MRS. O. A. MERRITT IIAWKES OX THE | Dec. 11, 12. H a rm a n , N. B ish o p .-The Palpebral and Oculomotor A p p a ­ratus in Fishes: Observations in Morphology and Develop­ment. J. Anat. & Phys. n. s. vol. xiv. pp. 1-40. 1899. 13. H errtck, 0 . J.-The Cranial and First Spinal Nerves of Menidia : a Contribution upon the Nerve Components of Bony Fishes. Jour. Comp. Neur. vol. ix. pp. 153-455. 1899. 14. J ohn sto n , J . B.-The Morphology of the Vertebrate Head from the Viewpoint of the Primitive Functional Divisions of the Nervous System. Journ. Comp. Neur. and Psych, vol. xv. pp. 176-275. May 1905. 15. J ohn sto n , J . B.-The Cranial Nerve Components of Petro­myzon. Morph. Jahrb., Bd. xxxiv. Heft 2, pp. 149-203. 1905. 16. W or th in g to n , J u l ia .-The Brain and Cranial Nerves of Bdellostomcc dombeyi. Q. J. M. S. n. s. vol. xlix. no. 193, p. 137. 1895. L. EXPLANATION OF THE PLATES. P l a t e L X V I I l . Chlamydosc lachus anguineus. Fig. 1. Diagrammatic drawing of the Cranial Nerves and Lateral Line Canals. The colours (supra-orbital grey-green, infra-orbital pink, hyomandibular laven­der, and lateralis orange) are the same as those used in a similar drawing by Cole in his paper on Chimcera. The open canals are indicated thus, ' | ' ' j 1 j , the fine lines representing diagrammatically the overhanging scales. Fig. 2. The ganglia of Nerves V, V I I , V I I I , slightly separated. Fig. 3. A view of the trigemino-facial complex from the inside. P l a t e L X IX . Chlamydoselachus anguineus. Figs. 4, 5, (3. The Eye-muscles and their nerves. Figs. 7. 8. Dorsal and ventral views of the Brain. M. REFERENCE-LETTERING. A.B.-Anastomosing branch between the oculo-motor and profundus nerves. B.A.- Buccal ampullae. B. P.- Brachial plexus. Bucc.- Ramus buccalis V I I . C.-Ciliary branch of profundus. Cer.- Cerebel lum. C.F.- General cutaneous fibres going to skin. Con. V 5.-Nerve-strand connecting the pre- and post-trematic rami of vagus 5. Con. V 6.-Nerve-strand connecting vagus 6 with a spinal nerve. D.G.-Dorsal branch of the glossopliaryngeus, dividing into a cephalad branch which passes to the neuromasts, and a caudal branch whose distribution is undetermined. E .M .(V II ) (A, B, C, I), E).- The five parts of the externus mandibularis V II . H.- The ganglion of the t. hyomandibularis, i. e., the true ganglion of the facialis, combined with one of the acoustico-lateralis ganglia. H.A.- Hyoid ampullae. H.L.(A,B,C).- The hyomandibular lateral line canal and its three main branches.