36 ANIMAL RESOURCES OF THE UNITED STATES. 



31. ENCIRCLING-NETS— Ooiitiuued. 



b. Hoop-nets : 



Handle or dip-nets : 



Scoop-nets, (lierriug-uets, pound-scoops, car-scoops, &c.) 



Landing-nets. 



Eskimo auk-nets. 

 Baited boop-nets : 



Crab-nets. 



c. Trailing-nets : 



Trawls : 



Beam-trawl. 



(Otter-trawl.) 

 Dredges : 



Flange, or ordinary dredge. 



Eake-dredge. 



Oyster-scraper. 



(Coral-dredge.) 

 Towiug-nets: 



Surface tow-nets. 



d. Folding or jerk nets : 



Purse-nets : 



Mackerel purse-seines, (pursed by weight.) 



Menbaden purse-seines, (pursed by band-ropes.) 

 Cast-nets : 



Mullet cast-nets. 



Pompauo cast-nets. 



Bait cast-nets. 

 Clap-nets for birds. 

 Eabbit-spring nets. 

 Spring-weirs, (St. Lawrence.) 

 Sieve-traps, (for birds.) 



e. (Accessory.) Parts of nets and apparatus for manufacture : 



Eaw material of nets. 

 Babicbe. (See under D. 20.) 

 Netting-fibre. 

 Netting-twine. 

 Netting-needles. 

 Mesb-needles. 

 Hanging-needles. 

 Eskimo netting- needles. 



