PLATE XIV. 



FIGS. 



1-10. Lepeophtheirus pectoralis (0. F. Muller). (pp. 9-18 

 and 64.) 



1. Ventral view, shewing the reproductive organs, 



?, x 17. 



2. Genital segment and abdomen, ? , immature. 



3. Ventral view, shewing the reproductive organs, 



3, x 17. 



4. Longitudinal section of the ovary. 



5. Transverse section through genital segment, ? , 



mature. 



6. Transverse section through genital segment, $ , 



mature. 



7. Left anterior digestive gland. 



8. Mouth from the anterior surface, shewing the 



mandibles in situ, and the ducts from the right 

 and left anterior digestive glands. 



9. Spermatophores detached from the genital 



openings of a female. 



10. Median longitudinal section of the ganglia, shew- 

 ing the "pinhole" oesophagus passing through 

 between the supra- and sub-oesophageal parts. 



(Figures much enlarged.) 



