$ 
tion, Distribution, and Origin of the Cranial Nerves ; together with 
344, 1890. 
nebst Bemerkungen iiber die Wirbeltheorie des Sraa 
342 The American Naturalist. 
taste organ, and the infundibulum was its nerve. The optic 
trochlear chiasms have arisen within the vertebrate group 
the Amphioxus condition. The large number of gill 
Amphioxus is due to physiological conditions, the br 
apparatus serving for collecting food as well as for respira 
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"89. VAN irda eae Die Kopfregion der Cranioten beim 
