PLATE XL VI. 



FIGS. 



1-5. Leru&enicus sprattss (Sowerby). (p. 156.) 



1. Female in situ in eye of sprat, natural size. 



2. Female removed from fish, x about 2. 



3. Plead and neck of female, more enlarged. 



4. Antennule, greatly enlarged. 



5. Antenna, greatly enlarged. 



6-9. Lernseenicus encrassicola (Turton). (p. 158.) 



6. Female in situ in back of sprat,, natural size. 



7. Shows head of female penetrating into the abdominal 



cavity of the sprat, enlarged. 



8. Head of female, ventral view, enlarged. 



9. Head, side view, enlarged. 



