REFERENCES. 3O9 



127 Pollard, H. B. Observations on the Development of the Head 

 in Gobius capita. Quarterly Jour. Micro. Sc. XXXV. 1894. 



PP- 335-352- 

 \2y bis. Pollard, H. B. The '^ CirrhosiomiaP^ Origin of the Head 

 in Vertebrates. Anat. Anz. IX. 1894. pp. 349-359. 



128 Rabl-Ruckhard, H. Der Lobiis Olfactoritis Impar der 

 Selachier. Anat. Anz. VIII. 1893. pp. 728-731. 



129 Sedgwick, Adam. The Original Function of the Canal of tlie 

 Central Nervous System of Vertebrata. Studies from Morph. 

 Lab. Cambridge, II. 1884. pp. 160-164. 



130 Sedgwick, Adam. Notes on Elasmobranch Development. 

 Quarterly Jour. Micro. Sc. XXXIII. 1891-92. pp. 559-586. 



Contains important observations on the first appearance of the 

 mouth, and its relation to the pituitary body. 



131 Seeliger, Oswald.' Studien zur Entwickhmgsgeschichte der 

 Crinoiden. {Antedon rosacea.) Zoologische Jahrbucher. Abth. 

 f. Anat. VI. 1892. pp. 161-444. 



132 VAN WljHE, J. W. Ueber den vorderen Neuroporus und die 

 phylogenetische Function des Canalis Neurentericus der Wirbel- 

 thiere. Zool. Anz. VII. 1884. pp. 683-687. 



133 Willey, a. Studies on the Protochordata, I.-IIl. Quarterly 

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Contain further bibliographical references. 



