Regeneration and Non-Sexual Reproduction in Sagartia 



Davisi, by Harry Beal Torrey and Janet Ruth Mery. . 211-226 



Non-Sexual Reproduction in Sagartia Davisi 211 



( lauses of Fission 220 



Heteromorphosis 222 



Bibliography 225 



The Structure and Regeneration of the Poison Glands of 



Plethodon, by C. O. Esterly. Plates 20-23 227-268 



Bibliography 255 



The Distribution of the Sense Organs in Microscolex Slo- 

 gans, by John E. Bovard. Plates 24-25 269-286 



Material and Methods 270 



Structure of the Sense Organs. 272 



Distributions of the Sense Organs 274 



Bibliography 282 



Some new Tintinnidae from the Plankton of the San Diego 



Region, by Charles A. Kof oid. Plates 26-28 287-306 



Bibliography 300 



P. 251, line 31: For fuchsia-orange G-anilin blue, read fuehsin-orangeG 



-anilin blue. 

 P. 259, under Zalesky 1866: »For Bd. J 1, read Bd. 1; for Saeyler, read 



Seyler. 

 P. 264, under description of fig. 16: For X1650, read X825. 

 P. 266, under description of figs. 21, etc.: For X1850, read X925. 



