648 THE AMERICAN NATURALIST. [Vor. XXXV. 
remarked, ** This specimen is beginning to divide." He was 
generous enough, however, to give me several views of the 
animal during the process, which lasted only less than a minute 
Fic. 1. — Nuclearia delicatula Cien A, th R 3 with ray-like pseudopodia : 
B, the motile ameebold condition. x 1200. 
and was not unlike the cleavage of a sea-urchin egg. After 
division the daughter-individuals moved apart with the char- 
acteristic amoeboid motion. 
