192 VISION 



Popper, A. N., and R. R. Fay. 1977. Structure and function of the elasmo- 



branch auditory system. Amer. Zool. 17:443-452. 

 Quiring, D. P. 1941. The scale of being according to the power formula. 



Growth 5:301-327. 

 Quiring, D. P. 1950. Functional anatomy of the vertebrates. McGraw-Hill 



Book Co., New York. 

 Reynolds, W. W., and W. J. Karlotski. 1977. The allometric relationship of 



skeleton weight to body weight in teleost fishes; a preliminary comparison 



with birds and mammals. Copeia 1977:160-163. 

 Ridet, J.-M., R. Bauchot, C. Delfini, R. Platel, and M. Thireau. 1973. 



L'encephale de Scyliorhinus canicula (Linne 1758) (Chondrichthyes, 



Selacii, Scyliorhinidae). Recherche d'une grandeur de reference pour 



des etudes quantitatives. Cahiers Biol. Mar. Roscoff 14:11-28. 

 Roberts, B. L., and P. Witkovsky. 1975. A functional analysis of the mesen- 



cepahlic nucleus of the fifth nerve in the selachian brain. Proc. R. Soc. 



Lond. B 190:473-495. 

 Rosiles, J. R., R. B. Leonard, and W. D. Willis. 1977. Organization of the 



cranial motor nuclei in the stingray, Dasyatis sabina. Anat. Rec. 187:699. 

 Riideberg, C. 1969. Light and electron microscopic studies on the pineal 



organ of the dogfish, Scyliorhinus canicula (L.). Z. Zellforsch. 96:548-581. 

 Saito, T. 1930. Uber die retikularen Zellen im Gehirn des japanischen 



Dornhaies (Acanthias mitsukurii Jordan et Fowler). Folia Anat. Jap. 



8:323-343. 

 Sarnat, H. B., and M. G. Netsky. 1974. Evolution of the nervous system. 



Oxford University Press, New York. 

 Schaeffer, B., and M. Williams. 1977. Relationships of fossil and living 



elasmobranchs. Amer. Zool. 17:293-302. 

 Schnitzlein, H. N., and J. R. Faucette. 1969. General morphology of the fish 



cerebellum. In Neurobiology of cerebellar evolution and development. 



Edited by R. Llinas. American Medical Association, Chicago. 

 Schroeder, D. M., and S. O. E. Ebbesson. 1974. Nonolfactory telencephalic 



afferents in the nurse shark (Ginglymostoma cirratum). Brain, Behav. 



Evol. 9:121-155. 

 Schroeder, D. M., and S. O. E. Ebbesson. 1975. Cytoarchitecture of the 



optic tectum in the nurse shark. J. Comp. Neurol. 160:443-462. 

 Shaper, A. 1898. The finer structure of the selachian cerebellum (Mustelus 



vulgaris). J. Comp. Neurol. 8:1-20. 

 Smeets, W. J. A. J., and R. Nieuwenhuys. 1976. Topological analysis of the 



brain stem of the sharks Squalus acanthias and Scyliorhinus canicula. J. 



Comp. Neurol. 165:333-368. 

 Sterzi, G. 1905. Sulla regio parietalis dei ciclostomi, dei selacii e degli 



olocefali. Anat. Anz. 27:346-364, 412-416. 

 Stingelin, W. 1958. Vergleichend morphologische Untersuchungen am Vor- 



derhirn der Vogel auf cytologischer und cytoarchitecktonischer Grundlage. 



Verlag Helbing & Lichtenhahn, Basel, Switzerland. 

 Studnicka, F. K. 1905. Die Parietalorgane. In Lehrbuch der vergleichenden 



