Category:Bulletin of the United States Bureau of Fisheries 1917-1918 (1921)

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Volume XXXVI

Subcategories

This category has the following 2 subcategories, out of 2 total.

F

Fresh-water mussels and mussel industries of the United States (1919)‎ (74 F)

M

Marine algae of Beaufort, N.C., and adjacent regions (1921)‎ (86 F)

Media in category "Bulletin of the United States Bureau of Fisheries 1917-1918 (1921)"

The following 55 files are in this category, out of 55 total.

Bulletin of the Bureau of Fisheries (1917) (20259719408).jpg 3,528 × 2,764; 1.08 MB
Bulletin of the Bureau of Fisheries (1917) (20421576396).jpg 1,962 × 2,963; 377 KB
Ephemeroptera illustration.jpg 2,963 × 1,962; 1.2 MB
FMIB 38253 Leucichthys gemmifer Bonneville cisco.jpeg 1,064 × 340; 83 KB
FMIB 38266 Coregonus spilomotus Bonneville whitefish.jpeg 936 × 411; 105 KB
FMIB 38278 Coregonus abyssicola Bear Lake whitefish.jpeg 1,042 × 420; 106 KB
FMIB 38326 Dorsal view of adult male crab.jpeg 967 × 565; 131 KB
FMIB 38327 Buster crab, first molting stage.jpeg 592 × 473; 82 KB
FMIB 38328 Ventral view of immature female crab, with triangular abdomen.jpeg 875 × 491; 95 KB
FMIB 38329 Photograph of reproductive organs of female crab shortly after copulation, showing sperm sacs large and distended by the jelly.jpeg 941 × 680; 151 KB
FMIB 38331 Wire cages in which molting crabs were confined for observation The cages rested on the bottom, each being raised and lowered by.jpeg 1,011 × 848; 226 KB
FMIB 38332 Type of float which was used in the experiments with adult crabs.jpeg 1,007 × 853; 239 KB
FMIB 38334 Pleraplysilla latens Thick section through the sponge, vertical to the surface Only the more superficial part of the sponge.jpeg 552 × 425; 91 KB
FMIB 38335 Suberites undulatus Whole sponge, from the side Base of sponge, to the left in the figure.jpeg 737 × 1,025; 192 KB
FMIB 38336 Acanthella corrugata Whole sponge, viewed olbiquely from above.jpeg 697 × 503; 105 KB
FMIB 38337 Acanthella corrugata From a section vertical to the surface and radial to the margin; below extreme marginal region Mesial part.jpeg 574 × 676; 145 KB
FMIB 38338 Esperiopsis obliqua Chaliniform habitus Part of a macerated specimen, including the base.jpeg 596 × 857; 146 KB
FMIB 38339 Tetilla laminaris Side view of a small specimen.jpeg 813 × 513; 100 KB
FMIB 38340 Hircinia ectofibrosa Whole sponge.jpeg 464 × 715; 110 KB
FMIB 38341 Aplysilla longispina Section vertical to the surface and through a conulus A fiber is seen terminating in a conulus The.jpeg 587 × 760; 151 KB
FMIB 38342 Microciona prolifera Older, branched form.jpeg 570 × 733; 129 KB
FMIB 38343 Reniera tubifera Whole sponge.jpeg 808 × 685; 144 KB
FMIB 38344 Axinella acanthifera Transverse section of lobe showing axial skeleton and radiating fibers.jpeg 645 × 429; 104 KB
FMIB 38345 Aplysilla longispina Surface view of dermal membrane Preparation photographed in water.jpeg 592 × 663; 169 KB
FMIB 38346 Stylotella heliophila Whole sponge.jpeg 835 × 627; 153 KB
FMIB 38347 Hircinia ectofibrosa Skeleton as seen in a macerated slice, vertical to the surface; principal fibers and connectives showing.jpeg 574 × 535; 125 KB
FMIB 38348 Esperiopsis obliqua From a longitudinal section through a branch of macerated specimen.jpeg 614 × 636; 153 KB
FMIB 38349 Aplysilla longispina Part of the surface.jpeg 609 × 481; 111 KB
FMIB 38350 Esperiopsis obliqua From a transverse section through a branch of macerated specimen.jpeg 526 × 605; 125 KB
FMIB 38351 Axinella acanthifera Longitudinal section through subcylindrical lobe, including both surfaces.jpeg 473 × 640; 124 KB
FMIB 38352 Microciona prolifera Incrusting specimen, with lobes; on oyster shells.jpeg 609 × 737; 131 KB
FMIB 38353 Acanthella corrugata Section vertical to the surface and radial to the margin; including margin and both surfaces of the sponge.jpeg 592 × 751; 153 KB
FMIB 38354 Esperiopsis obliqua Biserlate habitus.jpeg 600 × 746; 133 KB
FMIB 38355 Mayflies on the gauge house on the big dam at Keokuk, Iowa, at 5-30 am, July 14, 1916 They were about equally numerous all along.jpeg 715 × 888; 196 KB
FMIB 38356 Male (upper) and female (lower) of Erythemis simpliciollis.jpeg 601 × 897; 84 KB
FMIB 38357 Pentagenia vittigera Walsh; nymph.jpeg 627 × 1,617; 234 KB
FMIB 38358 Lake Mendota and Lake Wingra, the two lakes near Madison, Wis, in which the yellow perch was chiefly studies.jpeg 1,152 × 1,245; 294 KB
FMIB 38359 Egg string of perch.jpeg 1,024 × 901; 286 KB
FMIB 38379 Pentagonia vittigera Walsh; adult.jpeg 1,325 × 1,894; 316 KB
FMIB 38380 Fisherman on Lake Mendota About 282,960 perch are caught through the ice each winter.jpeg 1,091 × 720; 167 KB
FMIB 38381 Male of Lubellula luctuosa in characteristic attitude on the stem of a plant.jpeg 1,091 × 835; 236 KB
FMIB 38382 Favorite resort of Erythemis simplicollis beside pond no2.jpeg 989 × 517; 237 KB
FMIB 38383 United States Biological Station, Fairport, Iowa.jpeg 2,111 × 1,695; 526 KB
FMIB 38385 Ephemera varia Eaton; adult.jpeg 1,285 × 1,991; 328 KB
FMIB 38386 Skins of nymphs of Anax junius left on the screen of the outlet of pond no4.jpeg 1,033 × 799; 263 KB
FMIB 38387 Potamanthus flaveola Walsh; adult.jpeg 1,183 × 1,753; 240 KB
FMIB 47508 Buster crab, successive molting stage.jpeg 495 × 473; 72 KB
FMIB 47509 Buster crab, successive molting stage.jpeg 579 × 703; 152 KB
FMIB 47824 Crate containing adult crabs for observation It measured 2 by 2 by 4 feed and consisted of an iron frame covered with chicken.jpeg 857 × 561; 147 KB
FMIB 47825 Copulatory organs of male crab Black paper has been placed behind the ducts leading from the reproductive organs A, vas-deferens.jpeg 1,059 × 508; 87 KB
FMIB 47826 Female crab bearing what is known to be at least the second sponge Remnants of an old sponge were found upon the swimmerets when.jpeg 1,201 × 830; 203 KB
FMIB 47828 Hexagenia nymphs.jpeg 693 × 1,634; 242 KB
FMIB 47829 Hexagenia bilineata Say; adult.jpeg 1,205 × 1,939; 315 KB
FMIB 47830 Chirotenetes siccus Walsh.jpeg 1,201 × 1,943; 354 KB
Isonychia sicca.jpeg 1,213 × 809; 194 KB

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