18 REPORT OF COMMISSIONER OF FISH AND FISHERIES. 



FLOATS. 



No. 2003 of 1859. — Fearn. — A double-cone buoy fonned of staves is 

 made air and water tiglit by means of tougu.es and grooves. The heads 

 are provided with stays to prevent bulging or collapse, and have a 

 bracket for attaching the rope. Drawing, Plate I. 



FISH TRAPS. 



l^To. 150 of 1860. — Allen. — Bait-can. — For a bait-can which shall 

 occupy less space when out of use, provides a flexible bag opeu at the 

 top, where the edges are connected to a metal ring serving as a flange to 

 a metal covering-plate. In the center of this plate is an opening provid- 

 ed with a perforated lid, and the plate has a handle capable of being 

 turned down. The metal top is connected by jointed uprights to a shal- 

 low metal pan, which forms a bottom for the can. The sides being flexi- 

 ble, the uprights being jointed in the center and the pan at the bottom 

 being larger than the top-plate and ring, the can may be folded when 

 not in use. Small sleeves slip over the joints and keep uprights straight 

 when the can is in use. Provisional. No Drawing. • 



No. 1120 of 1860. — Stevens. — Keeping fish alive. — Supplies oxygen to 

 the water either by injecting air into it or by throwing the water upwards 

 into the air. Uses a box having a false bottom, in which a number of 

 small holes are pierced. Air is supplied by means of a bellows. The 

 water may be raised into the air by endless chains and buckets or by 

 paddle-wheels. No drawing. 



No. 3548 of 1867. — Daivim. — Fish-tanl-. — Supplies air to the water in 

 the vessel containing the fish. A is the tank, having a pipe leading 

 from the pimip C, fitted wdth a piston-rod, handle, E, and a toothed 

 sector, G, whereby reciprocating motion may be imparted to the pump 

 and the water forced through pipes H and I. The pipe I and head i are 

 fitted with short pipes, a, open to the atmosphere to force the water to 

 the external au\ As the stream enters the tank it impinges against a 

 disc to prevent undue disturbance of the water therein. Drawing, 

 Plate IV. 



No. 1425 of 1868. — Leheup. — Fish-hoxes. — Employs wooden screws 

 to secure the parts together, or a pin having at one end an eye or hole 

 to receive a pin or bolt ; or employs a pin with a T-shaped head, the 

 shank being clinched or riveted; or employs an L-shaped pin or bolt. 

 No drawing. 



No. 1276 of 1869.— Engholm. — Retaining caught fish in life. — The water 

 drawn from the cistern or tank is forced through pipes provided with air- 

 induction nozzles down into the cistern again. An air-pump may be 

 used. Provisional. No drawing. 



