BRAIN AND CRANIAL NERVES OF BDELLOSTOMA DOMBEYI. 179 
1900. von KuepLer, C.—“ Zur Kopfentwicklung von Bdellostoma,” ‘Studien 
zur Vergleichender Entwicklungsgeschichte des Kopfes der Krani- 
oten,’ Heft 4. 
1897. Mrvor, C. S.—‘ Human Embryology.’ 
Miter, Jonannes.—‘ Anatomie der Myxinoiden.’ 
1881. Price, G. C.—‘Some Points in the Development of a Myxinoid,” 
‘Verhl. der Anat. Gesellschaft,’ x. 
1896. Pricr, G. C.—“ Zur Ontogenie eines Myxinoiden,” ‘ K. Bayer. Akad. 
d. Wiss.,’ Bd. xxvi, Heft 1. 
1893. Retzius, G.—‘ Das Gehirn und das Auge von Myxine,” Neue 
Folge, v. 
1895. Rurzius, G.—‘‘ Ueber die Hypophysis von Myxine,” Neue Folge, vii. 
1895. Strone, Oriver S.—“ The Cranial Nerves of Amphibia,” ‘Journal of 
Morphology,’ vol. x, No. 1. 
1889-1894. Voer, Cart, und Yune, Emin.—‘ Prakt. Vergleich. Anatomie,» 
Band ii. 
1893. WiepeRsHEIM, RoBpert.— Grundriss der Vergleichenden Anatomie 
der Wirbelthiere.’ 
EXPLANATION OF PLATES 8, 9, 10 & 11, 
Illustrating Miss Julia Worthington’s paper on “The De- 
scriptive Anatomy of the Brain and Cranial Nerves of 
Bdellostoma Dombeyi.” 
ABBREVIATIONS USED IN THE PLatTEs. 
ac. Acusticus region of the medulla. ac. g., aeus. g. Acusticus ganglion. 
a.v. Semicircular canal at base of infundibulum. 4. WM. Bundles of Meynert. 
ce. a. Ansulate commissure. cd. Cerebellum. cd. v. Cerebellar ventricle. 
e.c.s. Central canal of the spinal cord. ec. M. Cells of Mauthner. d’’.d. WM. . 
Second decussation of the bundles of Meynert. d.c. s. Dorsal commissure 
of the spinal cord. d.e. Dorsal evagination of the roof of the infundibular 
process. d.h. Dorsal horn of the spinal cord. d. 7. Dorsal root of spinal 
nerve. /. 6. Fore brain. /.4.1. Outer shell of the fore brain. fd. 2. Inner 
core of the fore brain. fc. Fasciculus communis. Gass. g. Gasserian 
ganglion. g.o/f. Olfactory glomeruli. 4. Hypophysis. 4.g. Habenular ganglia. 
i. Iter. inf. Infundibulum. inf. p. Infundibular process. izé.a. Intra-cranial 
artery. ip.g. Interpeduncular ganglion. 7. m.c. Lateral motor column. 
m.b, Mid-brain. md. Medulla. m.V. Motor Trigeminus. WN. Acus. a., 
