Pomona College, Claremont, California 37 



general appearance and is found in among sponges and polyzoans. 

 This was one of the most bulky forms which we found. 



Glossophorum planum Ritter and Forsythe 

 Irregular masses of this species were found under rock ledges and 

 under stones. Our specimens are largely covered with sand grains. 



Distaplia occidentalis Ritter and Forsythe 

 This compound stalked form was found on a rock ledge at low 

 tide near Salt Creek. W. A. H. 



(Contribution from the Zoological Laboratory of Pomona College) 



