104 • ILLINOIS BIOLOGICAL MONOGRAPHS [104 



WiLLCOX, M. A. 



1899. Notes on the occipital region of the trout, Trutta fario. Zool. Bull., 2:151-154. 



Win SLOW, G. jSI. 



1897. The chondrocranium in the Ichthyopsida. Tufts College Studies, 1:147-201, 4 

 pi. 



Woodward, A. S. 



1893. On the cranial osteology of the mesozoic ganoid fishes Lepidotus and Dapedinus, 

 Proc. Zool. Soc.v. London :559-565, 3 pi. 



1898. Outlines of vertebrate paleontology. Cambridge. 



Workman, I. S. 



1900. Ophthalmic and eye-muscle nerves of the catfish (Araiurus). Journ. Comp, 

 Neur., 10:403-410. 



Wright, R. R. 



1884. The nervous sj'stem and sense organs of Amiurus. Proc. Canad. Inst., 2:352- 

 386. 



1885. On the skull and auditory organ of the Siluroid Hj-pothalmus. Trans. Roy. See. 

 Canada, 4:107-118, 3 pi. 



ZiTTEL, K. 



1880-93. Handbuch der Palaontologie. Miinchen. (A translation and adaptation by 

 C. R. Eastman. London.) 





