XXII -LIST OF ILLUSTRATIONS. 



WOOD-CUTS IN THE BODY OF THE REPORT. 



Page. 



Trap-net as used in Narragansett Bay — J. M, K. Southwick 10 



Pound-net as used in Narragansett Bay — J. M. K. Southwick , 10 



Gill-net of Lake Michigan — J. W. Milner , 256 



Gill-net for catching salmon on the Saint Lawrence — Dr. Pierre Fortin 257 



Trap-net at Pine Point, Ehode Island— J. M. K. Southwick 260 



Heart or pound net as set in Ehode Island— J. M. K. Southwick 261 



Pound-net at Wood's Hole, Massachusetts — Captain Isaiah Spindel 262 



Heart or pound-net at Quisset Harhor, Buzzard's Bay, Massachusetts — Captain 



John Eogers , 263 



Pound-net at Waukegan, Illinois— J. W. Milner 264 



Details of the same net — J. W. Milner. 265 



Perspective view of the same net, as set — J. W. Milner 266 



Pound-net at Waquoit, Massachusetts — Theodore Lyman 268 



Fyke-net of New York and Connecticut — J. C , Brevoort - 269 



Herring- weir on Treat Island, near Eastport, Maine, Bay of Fundy — Capt. U. S. 



Treat.... 270 



Herring-weir, south side Lower Saint Lawrence River — J. C. Brevoort 271 



Slat-weir, East Dennis, Massachusetts Bay — Capt. Prince Crowell 272 



Brush-weir ; deep-water weir for taking salmon — Capt. U. S. Treat 27 2 



Plan of trap-weirs at Sekonnet Point, Narragansett Bay — J. M. K. Southwick 273 



Portions of Teredo navalis or ship-worm — A. E. Verrill 384 



Astarte undata — A. E. Verrill 508 



Embryo of the lobster— S. J. Smith 523 



Plate I — XXXVIII. Figs. 1-287. Marine invertebrates. For explanation of these figures, 



see the lists of the species on fly-leaves opposite the plates. 

 Plate XXXIX. Map of Cape Cod Bay, showing the situation of fish-pounds in 1871 — 



Capt. Prince Crowell. 

 Plate XL. Diagram showing the locality of fish-pounds on Lake Michigan in 1871. 

 ' See p. 274.— J. W. Milner. 



Map of the coast of Massachusetts and Ehode Island, to accompany the report of the 

 United States Commissioner of Fish and Fisheries ; showing the location of traps 

 and pounds, as also the explorations of the Commission in 1871. 

 S. Mis. 61 53 



