XV111 



LIST OF ILLUSTRATIONS. 



DESPATCHING LIVE TROUT. 

 FIG. 



25. Travelling Tank for Yearlings, 



26. Travelling Tank for Two-year-olds, side view, 



27. end view, 



28. View of the Despatching-house, Howietoun, 



29. Despatching Yearling Trout, 



MlDDLETHIRD. 



30. The Francis Box, .... 



31. longitudinal section, 



32. transverse section, 



33. A Slate Tray, 



34. Section of ditto, .... 



35. Transverse section of ditto, . 



36. Nine-feet Plank-pond, section, 



II 11 !> 



38. ,, ,, ,, 

 &) )? 



40. The Safety-screen, 



41. The Ova-Extractor, 



42. Section of ditto, 



plan, 



end elevation, 



longitudinal section, . 



MlDDLETHIRD DAM. 



43. Plan, showing the Filters, 



44. The V-shaped Spout, 



45. Section of the V-shaped Spout in position, . 



46. Transverse section of the V-shaped Spout, . 



47. Overflow Sluice, section, . . ... 



48. ,, front elevation, 



49. Leaf-screen, 



50. section, 



51. Sluice used in connection with the Leaf-screen, 



52. Diagram showing a longitudinal section of the Leaf-screen, Sluice, 



Aqueduct, and their connection with the Filters, 



53. A set of Sluices, ..... 



54. The Plank Filler, 



55. Transverse section of ditto, ..... 



56. Longitudinal section of ditto, showing the Screens in position, 



57. Ground-plan of Middlethird, showing the Water-courses, 



58. Slate Filter, ...... 



59. Longitudinal section of ditto, 



PAOK 



77 

 78 

 78 

 82 

 84 



91 

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 92 

 93 

 93 

 93 

 94 

 94 

 94 

 95 

 95 

 98 

 98 



105 

 106 

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 107 

 108 

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110 

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 114 



