APPENDIX. 241 



The Work and Aims of the Marine Biological Laboratory. Biol. 



Lectures, II, 1893. 

 The Echinoderm Egg and the Theory of Isotropism. Journ. of 



Morph., Vol. IX, 1893. 

 The Metamerism of Clepsine. Festschrift ziim siebenzigsten 



Gebtirtstage Rudolf Lenckarts., Leipzig, 1892. 

 A Sketch of the Structure and Development of the Eye of 



Clepsine. SpengeVs Zool. fahrb., VI, 1893. 



PAPERS IN PRESS. 



H. Ayers. 



The Relations of the Peripheral Territory of the Auditory Nerve 



as shown by Methylen-blue. 

 Certain Facts and Theories in Modern Neurology. 



E. G. CONKLIX. 



The Embryology of Crepidula. Part I. History of the Cleavage. 

 The Dynamics of Fertilization and Cleavage. 



Elizabeth E. Bickford. 



Experiments on Regeneration and Heteromorphosis in Tubularian 

 Hydroids. 



Martha Bunting. 



The Origin of the Sex-cells in Hydractinia and Podocoryne and the 

 Development of Hydractinia. Journ. of Morph., Vol. IX, 1894, 



Elizabeth Cooke. 



On the Osmotic Qualities of the Muscles of Marine Animals. 



E. G. Gardiner. 



Early Development of Polychoerus caudatus. 



Ida H. Hyde. 



The Nervous Mechanism of Respiratory Movements in Limulus. 



F. S. Lee. 



A Study of the Sense of Equilibrium in Fishes. I. Journ. of 

 Physiology. 



D. J. LiNGLE. 



On the Reversal of the Direction of the Contraction of the Heart 

 in Ascidians. 



Jacques Loeb. 



Ueber das Sauerstoffbediirfniss des Embryo in verschiedenen 



Entwicklungsstadien. 

 Ueber die Herstellung zusammengewachsener Doppelt- und Mehr- 



fachembryonen by Seeigeln. 

 Ueber die Bedeutung von Gehirn und Auge fvir die Reactionen 



niederer Thiere auf Licht. 



