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EXPLANATION TO PLATE VIII. 
Fig. 1.— The Price Oil-pan. 
Fig. 2.— Simple Coal-oil Pan. 
Fig. 3. — TnE Anderson Coal-oil Contrivance. 
EXPLANATION TO PLATE IX. 
Fig. 1. — The Robbins Coal-tar Pan. 
Fig. 2.— The Flory Locust-machine: Front view, in operation. 
Fig. 3. — The Flory Locust-machine: Side view of frame. 
EXPLANATION TO PLATE X 
Fig. 1. — The Riley Locust-catcher. 
EXPLANATION TO PLATE XL 
Fig. 1.— The Wilson-Rhode Locust-catcher: Side view. 
Fig. 2. — The Wilson-Rhode Locust-catcher : Top view. 
Fig. 3.— The Godard Locust-catcher: Plan view. 
Fig. 4.— The Godard Locust-catcher : Vertical section. 
Fig. 5.— The Godard Locust-catcher: End view of frame. 
Fig. 6. — The Benson Locust-catcher : Plan view. 
Fig. 7.— The Benson Locust-catcher: Vertical section. 
EXPLANATION TO PLATE XII. 
Fig. 1.— The Hutciiins Locust-catcher: Top view. 
Fig. 2. — The Hutchins Locust-catcher : Sectional view. 
Fig. 3. — The Sylvester Locust-catcher. 
