410 Journal of Comparative Neurology. 



given by Herrick for Menidia. AlHs assumed that Ameiurus 

 gives the typical arrangement for the teleosts, while Herrick 

 assumed that Menidia does so. Our study of the blue fish, 

 Pomatomus, tends to support the latter conclusion, as the ar- 



Diagram of the orbital nerves of Ameiurus melas. Reference letters: 



III. — n. oculomotorius. 



JV. — n. trochlearis. 



/, a. p — m. dilator operculi. 



n. II. — -optic nerve. 



o. i. — m. obliquus inferior. 



oph. sup. V. — ramus ophthalmicus superficialis trigemini. 



0. s. — m. obliquus superior. 



r. e.—ra. rectus exteruus. 



r. if. — m. rectus inferior. 



r. it. — m. rectus internus. 



r. s. — m. rectus superior. 



VI. — n. abducens. 



rangement of the orbital nerves in Pomatomus is identical with 

 that of Menidia, save for the absence in the blue fish of the 

 supposed rudiment of the profundus nerve described for Men- 

 idia. Herrick (1900, p. 295) has also found the same condi- 

 tions to prevail in Gad us. 



BIBLIOGRAPHY. 



Allis, E p. Jr. '97. The Cranial Muscles and Cranial and First Spinal 

 Nerves in Amia calva. Journ. Morph , XII, 3. 



Herrick, C. Judson. '99. The Cranial and first Spinal Nerves of Men- 

 idia : A Contribution upon the Nerve Components of Bony Fishes. Journal of 

 Comparative Neuroloi^y, IX, 3, 4, and Archives of Neurology and Psycho- Pathol- 

 ogy, II, I, 2. 



Do. 1900. A Contribution upon the Cranial Nerves of the Cod Fish. 

 Journal of Comparative Neurology, X, 3, 



JuGE, Marc '99. Recherches sur les nerfs cerebraux et la musculature 

 cephalique du Silurus glanis L. Revue Suisse de zoologie, VI, i. 



Pollard, H. B. '95. The Oral Cirri of Siluroids and the Origin of the 

 Head in Vertebrates. Zool Jhrb , VIII 



Stannius, H. '49. Das peripherische Nervensystem der Fische, anato- 

 misch und physiologisch untersucht. Rostock. 



Wright, R. Ransay. '84. On the Nervous System and Sense Organs of 

 Araiurus. Proc. Canadian Institute, N. S., II. 



