A BIOLOGY OF CRUSTACEA 



Fig. 3. Limnadiopsis brichii (Conchostraca), female with 



the left valve of the carapace removed. Specimen from 



Australia, actual length about 2 cm. 



Fig. 4. Cladocera. A, Sida crystallina, female, lateral view; note 

 the young (Y) in the brood pouch. Actual length 3 mm. B, 

 Scapholeberis mucronata, female, ventral view. Actual length 

 1 mm. C, Polyphemus pediculus, lateral view of female with 

 empty brood pouch. Actual length 2 mm. D, Leptodora kindti, 

 female, lateral view. Actual length 9 mm. 



