218 JOHN BEARD. 



37. "Van Wijhe, J. W. — ' Ueber die Mesodermsegmente und iiber die 



Entwickelung der Nerven des Selachier Kopfes,' Amsterdam, 

 1882. 



38. Wiedersheim, R. — ' Lehrbuch der vergleichenden Anatomie der 



Wirbelthiere,' 1883. 



39. Wright, P. It. — " Contributions to the Anatomy of Amiurus," 



'Proceed. Canadian Institute,' 1884, Toronto. 



Other Works Quoted in this Paper. 



1. Ahlborn, F. — "Ueber die Segmentation des Wirbelthier-Korpers," 



'Zeitschr. wiss. Zool.,' Bd. xl. 



2. Bateson, W. — " The Later Stages in the Development of Bala- 



noglossus," 'Quart. Journ. Micr. Sc.,' Supplement, July, 1885. 



3. Dohrn, A. — "Studienzur Urgeschichte des Wirbelthier-Korpers," 



' Mittheil. a. d. Zool. Stat, zu Neapel.' 



1. "Der Murid der Knochenfische," Bd. iii. 



2, 3. " Der Hypophysis bei Petromyzon planeri" Bd. iii. 

 7. " Enstehung, &c., des Zungenbein und Kieferappara- 



tes der Selachier," Bd. vi. 



4. Gegenbaur, C. — ' Die Kopfnerven von Hexanchus.' 



5. Marshall, A. M. — " On the Development of the Cranial Nerves in 



Birds," 'Quart. Journ. Micr. Sc.,' 1878. 



6. Marshall, A. M. — " On the Morphology of the Vertebrate 



Olfactory Organ," ditto, 1879. 



7. Marshall, A. M. — " On the Head Cavities and Associated Nerves 



in Elasmob ranch s," ditto, 1880. 



8. Marshall, A. M., and Spencer, W. B. — " On the Cranial Nerves 



of Scyllium," ditto, 1881. 



9. Marshall, A. M. — " The Segmental Value of the Cranial Nerves," 



'Journ. Anat. and Physiol.,' 1882; also separate. 



10. Schwalbe. — 'Das Ganglion^Oculomotorii.' 



11. Stannius, H. — 'Das Peripherische Nervensystem der Fische,' 



Rostock, 1849. 



12. Stannius, H. — 'Handbuch der Anatomie der Wirbelthiere,' 1854. 



13. Wiedersheim, R. — 'Anatomie d. Gymnophionen, 1879. 



