CONTENTS OF No. i, JANUARY, 1895. 



PAGES 



I. The Embryology of the Unionidae. Frank R. 



LiLLIE I-IOO 



II. The Cranial Nerves of Amphibia. Oliver S. 



Strong 101-230 



III. The Central Nervous System of Desmognathis 



Fiisca. Pierre A. Fish 231-286 



IV. The Sensory Clubs or Cordyli of Laodice. W. 



K. Brooks 287-304 



V. The Behavior of the Centrosomes in the Fertil- 

 ized Egg of My zo stoma Glabrnm, Lenckart. 

 William Morton Wheeler 305-3^1 



VI. Some Observatio7is on Maturation and Fecunda- 

 tion in Chaetopterus Pergamentaceus, Cuvier. 

 A. D. Mead 313-31/ 



VII. Maturation, Fertilization, and Polarity in the 

 Echinoderm Egg. New Light on the ''Qua- 

 drille of the Centers." Edmund B. Wilson 

 AND Albert P.Mathews 319-342 



GINN & COMPANY, BOSTON, U.S.A. 



