PLATE I. 



Fig. 1. Egg of Ked Mullet, MuUus barbatus. F. Raffaele. 



2. Sea-perch, Boccus labrax. F. RafFaele. 



3. Smooth Serranus, Serranus cabrilla. F. Raffaele. 



4. ,, Long-spined Bullhead, Coitus bubalis. W. C. M. 



5. ,, Sea-scorpion, Cottus scorpius. W. C, M. 



6. Mass of eggs of Sea-scorpion, Cottus scorpius. E. E. Prince. 



7. Egg of Pogge, Agonus cataphractus. E. E. Prince. 



8. Reticulations of egg-capsule of Pogge, A. cataphractus. E. E. 



Prince. 



9. Egg of Grey Gurnard, Trie/la gurnardus. E. E. Prince. 



10. ,, Red Gurnard, Trigla cuculus. E. W. Holt. 



11. ,, Frog- fish, Lophius piscatorius, showing embryo. From 



a spirit-specimen. W. C. M. 



12. Anterior region of embryo in egg of ditto. A. Agassiz. 



13. Egg of Boar-fish, Capros aper. J. T. Cunningham. 



14. Egg and contained larva of Lesser Weever. Trachinus viper a. 



July 28, 1891. E. Corbin. 



15. Egg of Dragonet, Callionyimis lyra. July 2, 1894. J. R. Tosh. 



16. Egg and contained larva of Mackerel, Scomber scombrus. E. W. 



Holt. 



17. Mass of eggs of Wolf-fish, Anarrhichas lupus. Enlarged. 



W. C. M. 



