. Bulletin of the Bureau of Fisheries. Fisheries; Fish culture. BuL. U. S. B. 190S. Plate KiG. 9.—Photograph ol the nest of a horned dace {Semotilus atiomaculadis ), Laken with a reflecting camera and by the aid of a cloth screen used as shown in figure 6, plate cxvi. The reflected image of part of the screen is seen over the right and left parts of the nest. In the upper part of the picture at the right above 5. T. is the sand trail; to the left of this, above P., is the pit. in the bottom of which are large peb- bles; farther to the left, above , is the gravel ridge with its


. Bulletin of the Bureau of Fisheries. Fisheries; Fish culture. BuL. U. S. B. 190S. Plate KiG. 9.—Photograph ol the nest of a horned dace {Semotilus atiomaculadis ), Laken with a reflecting camera and by the aid of a cloth screen used as shown in figure 6, plate cxvi. The reflected image of part of the screen is seen over the right and left parts of the nest. In the upper part of the picture at the right above 5. T. is the sand trail; to the left of this, above P., is the pit. in the bottom of which are large peb- bles; farther to the left, above , is the gravel ridge with its top dressing of fine pebbles. The end of the ridge, its structure of coarse pebbles, is within the pit at the Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States. Bureau of Fisheries. Washington, D. C. : Govt. Print. Off.


Size: 2354px × 1062px
Photo credit: © Book Worm / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookdecade1900, booksubjectfisheries, bookyear19