Kingsbury, Oblongata in Fishes. 



33 



11. Catostomus (Catostomidae ?) showed in addition to 

 the fusions in the cyprinidae, a fusion of the lobi vagi. 



12. The acusticum was in every case covered by a caudal 

 extension of the molecular laver of the cerebellum. 



*The motor nerves are not discussed in this paper, and so are not regarded in the table- 

 The nerve components are given as they were found in the study of the brain in these forms. 



LITERATURE CITED. 



'83. Ahlborn, Fr. Untersuchungen iiber das Gehirn der Petrorayzonten, 

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'88. Allis, E. p. The anatomy and development of the lateral line system 

 in Amia calva. Jour. Morph. Vol. II, pp. 463-566, 



'95. Allis, E. P. The cranial muscles and cranial and first spinal nerves ia 

 Amia calva. Jour. Morph. Vol. XI, pp. 485-491. 



'91. BuRCKHARDT, R. Untersuchungen am Hirn und Geruchsorgan von 

 Triton und Ichthyophis. Zeitsch.f. wiss Zool. Vol. LII, pp. 369-403. 



'96. Cole, F. J. On the cranial nerves of Chimaera monstrosa : with a dis- 

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'88. Ew.\RT, J. C. On the cranial nerves of Elasmobranch fishes. Prelim. 

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'70. Gegenbaur, Carl. Uber die Kopfnerven von Hexanchus und ihre 

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