250 



EMBRYOLOGY. 



D' Alton, Von Baer, Purkinje, Wagner, Wolfe, Rathke, Bischoff 

 Velpeau, Flourens, Barry, Leidy. 



PECULIAR MODES OF REPRODUCTION. 

 Ehrenbcrg, Trembly, ROsel, Sars, Loven, Steenstrup, Van Beneden. 



METAMORPHOSIS. 



St. Merian, Rosel, De Geer, Harris, Kirby and Spence, Bunneister 

 Reaumur. 



GEOGRAPHICAL DISTRIBUTION. 



Zimmerman, Milne Edwards, Swainson, A. Wagner, Forbes, Pennant, 

 Richardson, Ritter, Guyot. 



GEOLOGY. 



The Works of Murchison, Phillips, Lyell, Mantell, Hugh Miller, 

 Agassiz, D'Archiac, De Beaumont, D'Orbigny, De Verneuil, Cuvier, 

 Brongniart, Deshayes, Morton, Hall, Conrad, Hitchcock, Troost, and the 

 Reports on the various local Geological Surveys. 



Very many of the papers of the authors above referred to are not pub- 

 lished in separate volumes, but are scattered through the volumes Oi 

 Scientific Periodicals ; such as the 



Transactions of the Royal Society of London. 



Annals and Magazine of Natural History. 



Annales, and Archives, du Museum d' Hist. Natuielie. 



Annales des Sciences Naturelles. 



Wiegmann's Archiv fdr Naturgeschichte. 



Mailer's Archiv. 



Oken's Isis. 



Berlin Transactions. 



Transactions of the American Philosophical Society 



Memoirs of the American Academy. 



Journal of the Academy of Nat. Sciences, Philadelphia. 



Silliman's Journal 



Journal of Boston Society of Natural History. 



END OF PART I, 



