REFERENCES. 309 



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

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



PP. 335-352. 



127 bis. POLLARD, H. B. The " Cirrhostomial" Origin of the Head 



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



128 RABL-RUCKHARD, H. Der Lobus Olfactorius Impar der 

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



129 SEDGWICK, ADAM. The Original Function of the Canal of the 

 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 Entwicklungsgeschichte der 

 Crinoiden. {Antedon rosacea.} Zoologische Jahrbiicher. Abth. 

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



132 VAN WIJHE, 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, /.-///. Quarterly 

 Jour. Micro. Sc. XXXIV.-XXXV. 1893. 



Contain further bibliographical references. 



