SEA-FISTIERIES LABORATORY. B11 
larger shear net only 40. The explanation in such 
cases probably is that the coarse net worked at or near 
the surface, while the shear net was most of the time in a 
deeper layer of water (6 to 12 fathoms) where fish eggs 
were rarer. 
Coarse Net. | Shear Net. 
Date, &c. Hist ae eit h [earn aaa 
ish | ish 
eggs. Notes. | SK Notes. 
. Stat. IIT — |— | 19 | (Yngel-traw]) 
pees 0 6 |— 410 Bib, 200 ; Dragonet, 80; 
| Rockling, 60 ; Sail Fluke, 
30. 
ea bi 147 Haddock, 86; Whiting, 22; — | — 
eee (id | —— | — rege! Haddock. 
Bay 58 | Rockling, 27; Whiting, 14; — | — 
Off Niarbyl — | 183 | Whiting, 90; Rockling, 15, 
Bay 121 Bockume 40); bib 30); 2 =!) |) — 
Whiting, 20 
Stat. I 89 | Whiting, 20; Cod, 18; — | — 
Haddock, 17; Rockling, 
15 
Bay 48 | Rockling, 36 — |— 
Off Niarby] | — | — 24 | Dragonet, 7; Topknot, 5. 
Stat. ! 68 Dragonet, 16; Bib, 14; . 40 | Dragonet, 20. 
Rockling, 14 
Bay 17 | Rockling, 9 Pes ee 
Stat. li 38 | Cod, 9; Rockling, 8 a 
Stat, IT 63 | Cod, 24; Rockling, 13 — |— 
Sy eg ae eae | 178. | Sprat, 66; Dragonet, 47; 
| Rockling, 27. 
ae | ea |) ee 69 | Dragonet, 23; Sprat, 15; 
| Lemon Sole, 12. 
Bo ll 114 | Lemon Sole, 62; Dab, 12} — | — 
rattan BM 96 | Green Cod, 68; Dab, 10 — |-~-- 
0) LET 16 | — 160 | Dragonet, 50; Haddock, 
20; Topknot, 19; 
Rockling, 16. 
Bay 23 | — — |— 
61 =!Average catch. 115 =!Average catch. 
The mouth of the shear net (fig. 12) has about nine 
times the area of the mouth of the coarse surface net; and 
_ the Yngel-trawl (fig. 13) is still larger, 
