UNIVERSITY OF CALIFORNIA PUBLICATIONS 

 ZOOLOGY 



Vol. 3, No. 10, pp. 157-158, text figure 1 January 29, 1907 



CONTRIBUTIONS FEOM THE LABORATORY 



OF THE 



MARINE BIOLOGICAL ASSOCIATION OF SAN DIEGO. 



XV. 

 CLADOCERA OF THE SAN DIEGO REGION. 



BY 



CHAUNCEY JUDAY. 



Only one species of Cladocera was found in the thousand 

 plankton catches that were examined. 



Evadne tergestina Claus. 



1877. Evadne tergestina Claus. Zur Kenntuiss des Baues unci der Organi- 

 sation der Polyphemiden. Denkscbr. K. Akadem. Wissensch. 

 Math.-Naturw. Klasse, XXXVII, pp. 137-160, pi. 1-7. Wien, 

 1877. 



1899. Evadne tergestina Hansen. Die Cladoceren und Cirripedien der 

 Plankton-Expedition. Plankton-Expedition der Huniboldt-Stif- 

 tung, II, G., d., 58 pp. 4 pi. 



Shell elongated, rather broadly rounded behind, hyaline. An- 

 tennae and swimming feet relatively small ; setae of antennae 

 plumose. Outer ramus of first foot with two setae ; those of 

 second and third with three : that of the fourth foot with one 

 seta. Elevators of antennae more or less widely separated and 

 diverging dorsally. Neck-gland present. 



Length 0.68 ; height 1.0 mm. 



