ILLUSTRATIONS AND THEIR SOURCES 



Frontispiece. Veiltail Goldfish. Bred by Thomas Ayling and owned successively by 

 Franklin Barrett and Otis T. Gregg. Photograph from Life by the Author. 



End Papers. Original Drawing by Franklin Barrett. 



Figure Page 



1. Deep Aquarium. Drawn by Wm. L. Bockius 7 



2. Shallow Aquarium. Drawn by Wm. L. Bockius 7 



3. Ordinary Type Fish-Globe. Drawn by Wm. L. Bockius 9 



4. Flattened Globe. Drawn by Wm. L. Bockius 9 



5. Dish-shape Globe. Drawn by Wm. L. Bockius 9 



6. Keystone Globe. Drawn by Wm. L. Bockius 11 



7. African Snail. Drawn from Life by John A. Bauer , 18 



8. Ramshorn Snail. Drawn from Life by John A. Bauer 18 



9. Japanese Snail. Drawn from Life by John A. Bauer 18 



10. Freshwater Mussel. Drawn from Life by Evelyn B. Innes 20 



11. Weatherfish. Drawn from Life by Henry W. Fowler 20 



12. Plant Roots. Drawn by the Author 25 



13. Sagittaria natans. Drawn by Franklin Barrett 29 



14. Giant Sagittaria. Drawn by Franklin Barrett 30 



15. Ludwigia. Drawn by Franklin Barrett 31 



16. Sagittaria subulata. Drawn by Franklin Barrett 31 



17. Vallisneria spiralis. Drawn by Franklin Barrett 33 



18. Giant Vallisneria. Drawn by Franklin Barrett 35 



19. Cabomba. Traced from Photograph by the Author 37 



20. Giant Anacharis. Drawn by Helen Winchester 37 



21. Wild Anacharis. Drawn by Helen Winchester 38 



22. Myriophyllum. Drawn by Helen Winchester 40 



23. Bladderwort. Drawn by Helen Winchester 40 



24. Hair Grass. Drawn by Franklin Barrett 41 



25. Potamogeton densus. Drawn by Henry P. Schwing 42 



26. Nitella gracilis. Drawn by Helen Winchester 42 



27. Cultivated Ludwigia. Drawn by Franklin Barrett 44 



28. Southern Spatterdock. Drawn by Henry P. Schwing 45 



29. Japanese Spatterdock. Drawn by Henry P. Schwing 46 



30. Quillwort. Drawn by W. A. Poyser 47 



31. Fontinalis gracilis. Drawn by Mary Weber 48 



32. Fontinalis antipyretica. Drawn from Life by Mary Weber 48 



33. Herpestis. Drawn by Franklin Barrett 50 



34. Spring Starwort. Drawn by Helen Winchester 50 



35. Madagascar Lace Plant. Drawn by Franklin Barrett 51 



36. Mare's Tail. Drawn by Franklin Barrett 52 



37. Moneywort. Drawn by Franklin Barrett 52 



38. Cryptocoryne. Drawn by Henry P. Schwing 53 



39. Heteranthera. Drawn by Franklin Barrett 54 



40. Azolla. Drawn by Helen Winchester 55 



41. Crystalwort. Drawn by Helen Winchester 55 



42. Duckweed. Drawn by Helen Winchester 55 



43. Water Poppy. Drawn by Henry P. Schwing 55 



44. Salvinia. Drawn by Henry P. Schwing 56 



45. Trianea. Drawn by Henry P. Schwing 56 



