[9] PLAN OF INQUIRY FOR FISHERY CENSUS. 11 
times of reproduction. Instructions will be given regarding points of 
special interest which require investigation. Collections of marine ani- 
mals, particularly fishes, should be made, when occasion offers, especially 
in the markets of the Southern Atlantic, Gulf of Mexico, and Pacific 
coast. In Appendix B are given schedules of questions regarding the 
habits of various groups of fishes. "When practicable, it will be well to 
interview persons acquainted with the habits of fishes and methods of 
the fisheries, and write down their views and experiences. For this 
purpose a supply of these circulars will be included in each outfit. 
A list of the common food-fishes of North America is here inserted 
for convenience of reference and to be used in checking the species 
observed in the markets : 
Fishes (Eastern Coast), 
File Fish (Balistes capriscus). 
American Sole (Achirus lineatus). 
Flat Fish (Pseudopleuronectes americanus). 
Smooth Flounder (Pleuronectes glaber). 
Rusty Flounder (Limanda ferruginea). 
Pole Flounder (Glyptocephalus cynoglossus). 
~ Plaice (Hippoglossoides platessoides),. 
Sand Flounder (Lophopsetta maculata). 
Turbot Flounder (Pseudorhombus dentatus). 
Four-spotted Flounder (Pseudorhombus oblongus). 
Halibut (Hippoglossus americanus). 
Newfoundland “ Turbot” (Platysomatichthys hippoglossoides). 
Pollock (Pollachius carbonarius). 
Cod (Gadus morrhua). 
Tom-cod or Frost Fish (Microgadus tomcodus). 
Haddock (Melanogrammus aeglefinus). 
Hake (Phycis chuss). 
Squirrel Hake (Phycis tenuis). 
Cusk (Brosmius brosme). 
Whiting or Silver Hake (Merlucius bilinearis). 
Rose-fish or Red Perch (Sebastes marinus). 
Tautog or Black Fish (Zautoga onitis). 
Chogset or Cunner (Zautogolabrus adspersus). 
Sword Fish (Xiphias gladius). 
Spear Fish (Zetrapturus albidus). 
Sail Fish (Histiophorus americanus). 
Mackerel (Scomber scombrus). 
Chub Mackerel (Scomber colias). 
Bonito (Sarda pelamys). 
Tunny or Horse Mackerel (Orcynus secundi-dorsalis). 
Little Tunny (Orcynus alliteratus). 
Spanish Mackerel (Cybiwm maculatum). 
