PLATE XII. 



Fig. 1. Newly hatched larval Rockliug, Onos mustela. G. Brook. 



2. Advanced larval ditto. May 11, 1890. E. E. Prince. 



3. Post-larval ditto, 6 mm. E. E. Prince. 



4. Post-larval ditto, older stage, 10 mm. E. E. Prince. 



5. Larval Sand-eel, oblique ventral view. W. C. M. 



6. Late larval Lesser Sand-eel, Ammodytes tobianus. E. E. Prince. 



7. Post-larval ditto. A. T. M. 



8. Post-larval ditto (pelagic), later stage. A. T. M. 



9. Young ditto, littoral stage. A. T. M. 



10. Young Halibut, Hippoglossus vulgaris, 32 mm., pelagic stage. 



C. J. Petersen. 



11. Larval Long-Kough Dab, Drepanopsetta limandoides. April 4, 



1895. W. C. M. 



12. Young ditto, 11 mm. long. E. W. Holt. 



13. Young ditto, 13'87 mm. long. E. W. Holt. 



