BY JAS. R. TOSH, M.A., B. SC. 



183 



LIST OF FIGURES IN THE PLATES. 



Mins. after extrusion. 



PI. VIII, Fig. 1. Egg on extrusion 



2. Germinal disc 



3. Side view of 2 



4. 2-cell stage 



5. 4-cell ,, 



6. 8-cell ,, 



7. 16-cell „ 



8. Large cell morula 

 PL IX. 9. Small „ 



10. Blastoderm enveloping 



yolk 



11. Embryonic streak 



12. Em.bryo 



13. „ 



PI. X. 



PL XI. 



PL XII. 



PL XIII. 



PL XIV. 



14. „ 



15. „ 



16. „ 



17. Larva 



18. „ 



side view of 14 



shortly before 

 hatching 



15 mins. 

 20 „ 

 30 „ 

 45 ,, 

 58 „ 



Ihr. 20mins. 

 Ihr. 55mins. 

 2hs. 40mins. 



8|hrs. 



9|hrs. 



12^hrs. 



ISJhrs. 



19hrs. 



'/!2hrs. 



38hrs. 



48hrs. 



63hrs. 



70hrs. 



3dys. 14hrs. 



4dys. 



4dys, 16Jhrs. 

 5dys. 16hrs. 

 6dys. 16hrs. 



1"4 mms. long. 



1-6 „ 



2-1 „ 



2-1 „ 



2-2 ,. 



25 mms. 

 2-3 „ 

 2-4 .. 



Nat. size. Well grown. Showing 



19. „ 



20. „ 



21. „ 



22. „ 



23. „ 



23a. 



24. Larva 



25. „ 



26. „ 



1. Whiting one year old 



markings. 



2. Whiting about 6 weeks. 



3. Food of whiting — sand worm — Thalassema sv. 



4. ,, ,, sand lobster. 



1. Ventral fins of whiting 13 mms. long. Nat. size 1 mm 



2. Spine & 2 rays of 



3. ,, ,, 



4. Spine & first ray of 



"• >) II 



6. ,, &3 rays of 



7. Ventral fin of 

 Adult whiting. Sil 



lljin. 



