16 Howard Avers and Julia Worthington 



1902. KiNGSLEY, J. S. The Cranial Nerves of Amphiuma. Tufts College 



Studies, No. 7. 

 1900. VON KuPFFER, Carl. Zur Kopfentwickelung von Bdellostoma. Studien 



zur vergleichonden Entwicklungsgescbichte des Kopfes der Kra- 



nioten, Heft 4. 

 1881. Mayseb, p. VergleicbenJe Auatomisclie Studieu iiber das Geliirn 



der Knoclienfische. Zeit. f. wiss. ZooL, Bd. XXXVI. 

 183T. MuLLER, Johannes. Anatomie der Myxinoiden. 



1894. Sanders, Alfred. Researches in the Nervous System of Myxine glu- 



tinosa. Williams & Norgate, London. 



1895. Strong, Oliver S. The Cranial Nerves of Amphibia. Journal of 



Morphology, Vol. X, No. 1. 

 1905. Worthington, Julia. The Descriptive Anatomy of the Brain and 

 Cranial Nerves of Bdellostoma dombeyi. Quarterly Journal of 

 Microscopical Science^ Vol. XLIX, Part 1, October. 



ABBREVIATIONS. 

 a. =: axone. 



ac. c. = acusticus cells in the utricular ganglion. 

 ac. f. = acusticus fibers. 

 ac. n. = acusticus nucleus, 

 c. =: cerebellum. 

 (ZS d^, (Z^ = processes of nerve cells. 



e. =: cavity of the ear. 



f. 0.=- fasciculus communis. 



g. c. c.=: general cutaneous cells in the utricular ganglion. 

 g. c. /".=: general cutaneous fibers of the ear. 



g, c. ».=: general cutaneous nucleus. 



m. =: medulla. 



s. g. ==: saccular ganglion. 



tr. a. c. = tractus acustico-ccrebellaris. 



tr. a. f. = tractus acustico-funicuU. 



tr. a. t\^ tract from the acusticus nucleus to the ventral motor colunin at 



the same side. 

 u. fir. = utricular ganglion. 

 V. c. = ventral motor column. 

 V. r. =: ventral raphe. 



X. = support on which the model of the acusticus nucleus rests. 

 Vi^ fibers of anterior root of N. trigeminus. 

 Vj=: fibers of posterior root of V. trigeminu!<. 

 F7/=:V. facialis. 



VIII I. a. a = Anterior branch of N. lateralis anterior. 

 VIII I. a. p. = posterior branch of V. lateralis anterior. 

 VIII I. p. = V. lateralis posterior. 

 VIII s. = r. saccularis N. acustici. 

 VIII u. = r. utricularis V. acustici. 



