NEAL: NERVOUS SYSTEM IN SQUALUS ACANTHIAS, 279 
BIBLIOGRAPHY. 
Ahlborn, F. 
84. Ueber den Ursprung und Austritt der Hirnnerven von Petromyzon. 
Zeitschr. f. wiss. Zool., Bd. 40, Heft 2, pp. 286-308, Taf. 18. 
Ahlborn, F. 
849, Ueber dic Segmentation des Wirbelthierkörpers. Zeitschr. f. wiss, Zool., 
Bd. 40, pp. 309-337. 
Allis, E. P., Jr. 
’89. The Anatomy and Development of the Lateral Line System in Amia 
calva. Jour. Morph., Vol. 2, pp. 463-566, Pls. 30-42. 
Allis, E. P. 
297. The Cranial Muscles and Cranial and First Spinal Nerves in Amia 
calva. Jour. Morph., Vol. 12, pp. 487-808, Pls. 20-38. 
Altmann, R. 
85. Bemerkungen zur Hensen’schen Hypothese von der Nervenentstehung. 
Arch. f. Anat. u. Phys., Jahrg. 1885, Anat. Abth., pp. 344-348, Taf. 14. 
Ayers, H. 
92. Vertebrate Cephalogenesis. II. A Contribution vo the Morphology 
of the Vertebrate Bar, with a Reconsideration of its Functions. Jour. 
Morph., Vol. 5, No. 1, pp. 1-860, Pls. 1-12. 
Baer, K. E. von. 
28. Ueber Entwickelungsgeschichte der Thiere. Theil I. Königsberg, 
xxii + 271 pp., 3 Taf. 
Balfour, F. M. 
78. A Monograph on the Development of Flasmobranch Fishes. London, 
xi + 295 pp», 20 Plates, 
Balfour, F. M. 
‘81. A Treatise on Comparative Embryology. London. Vol. 2, xi-- 655 
+ 22 pp., 429 Figs. 
Beard, J. 
784. On the Segmental Sense Organs of the Lateral Line, and on the Mor- 
phology of the Vertebrate Auditory Organ. Zool. Anz., Jahrg. 7, pp. 123- 
126, 140-143. 
