Contents xi 



PAGE 



Stylonethes sterkii (Abstracted) 13 2 



By Laura Garnjobst, Stanford University 



A Method for Inducing Conjugation Within Vorticella Cultures . 132 

 By Harold E. Finley, West Virginia State College 



Miscellaneous Classes and Microbiology 



A Novel Method of Obtaining Protozoa 134 



By W. H. Davis, Massachusetts State College 



Permanent Cultures (Reprinted) 134 



By Frederick Bauer, Rhode Island State College 



Food Organisms for Marine and Halobiont Animals . . . . 134 

 By R. M. Bond, Santa Barbara School, Carpinteria, California 



Wheat-Grain Infusion l 35 



By John W. Nuttycombe, University of Georgia 



Phylum II. Porifera 



Notes on the Cultivation and Growth of Sponges from Reduc- 

 tion Bodies, Dissociated Cells, and Larvae 137 



By H. V. Wilson, University of North Carolina 



Phylum III. Coelenterata 



Class Hydrozoa 



Hydras Uo 



By Libbie H. Hyman, New York City 



The Culture of Some Miscellaneous Small Invertebrates . . .142 

 By Paul Brandwein, Washington Square College, New York University 



Class Scyphozoa 



Rearing the Scyphistoma of Aurelia in the Laboratory . . .143 

 By F. G. Gilchrist, Pomona College 



Class Anthozoa 



Sagartia luciae *44 



By Donald W. Davis, The, College of William and Mary 



