IV CONTENTS. 



PART III. 



Page 

 Art. VII. — Fragments relating to Philosophical Zoology. Se- 

 lected from the Works of K. E. von Baer (continued) 193 



Art. VIII. — On the Development of Zostera. By W. Hof- 



MEISTER 239 



Art. IX. — On the Winding of Leaves. By M. Wichura .... 262 



PART IV. 



Art. IX. — On the Winding of Leaves. By M. Wichura (con- 

 tinued) 273 



Art. X. — On the Development of the Asddians. By A. Krohn 312 



Art. XI. — Observations on the Development of the Pectini- 



branchiata. By MM. Koren and Danielssen 330 



TWELVE PLATES. 



