PHYLLOPODA. 129 



C. flavida. C. minna. 



reniformis. Fig. 218 ; ^. angustata. 



albo-maculata. acuta, 



alba. pellucida. 



variabilis. irnpressa. 



aurantia. quadridentata. 



nigrescens. convexa. 



Cythereis (Jones). Animal unknown. Valves 

 regularly oblong, with a wrinkled surface, and 

 toothed margins. 



C. Whitei. 



Jonesii. Fig. 219 ; mag. 

 antiquata. 



Sub- Order II. BRANCHIOPODA. 



Carapace inclosing the whole animal, ex- 

 cept the projecting head ; feet four to six 

 pairs ; eye single Cladocera. 



Carapace wanting, or covering only the 

 head and thorax ; feet eleven to sixty pairs ; 

 eyes two or three P/iyllopoda. 



Tribe I. Cladocera. 



Evadne (Loven). Feet four pairs, not inclosed; 

 eye very large ; head not distinct ; abdomen short, 

 scarcely projecting. 



E. Nordmanni. Fig. 220 ; lo. 



Tribe II. Phyllopoda. 



Artemia (Leach). No carapace; antennas two 

 pairs, the inferior (in the male) prehensile, flat ; 

 eyes two, stalked, feet eleven pairs ; tail notched, 

 but not divided into two plates. Inhabits brine- 

 pans. 



A. salina. Fig. 221 ; & 

 K 



