Category:Samuel Frederick Hildebrand

Subcategories

This category has only the following subcategory.

Pages in category "Samuel Frederick Hildebrand"

This category contains only the following page.

Media in category "Samuel Frederick Hildebrand"

The following 36 files are in this category, out of 36 total.

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  Annual report of the Commissioner of Fisheries to the Secretary of Commerce for the fiscal year ended .. (1918) (18742525743).jpg 3,440 × 2,103; 685 KB
  
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  Annual report of the Commissioner of Fisheries to the Secretary of Commerce for the fiscal year ended .. (1918) (18742567103).jpg 3,376 × 2,160; 628 KB
  
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  Annual report of the Commissioner of Fisheries to the Secretary of Commerce for the fiscal year ended .. (1918) (19357041882).jpg 3,440 × 2,103; 567 KB
  
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  Annual report of the Commissioner of Fisheries to the Secretary of Commerce for the fiscal year ended .. (1918) (19357082232).jpg 3,376 × 2,055; 643 KB
  
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  FMIB 33629 Etheostoma fricksia, sp nov.jpeg 673 × 558; 47 KB
  
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  FMIB 34561 Gambusia affinis Top minnow Male.jpeg 764 × 365; 55 KB
  
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  FMIB 34562 Gambusia affinis Top minnow Female.jpeg 769 × 297; 53 KB
  
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  FMIB 34564 Cyprinodon variegatus Variegated Minnow Male.jpeg 747 × 450; 96 KB
  
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  FMIB 34565 Cyprinodon variegatus Variegated Minnow Young.jpeg 744 × 357; 66 KB
  
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  FMIB 34986 Brevoortia aurcus (Agassiz).jpeg 1,179 × 642; 157 KB
  
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  FMIB 35014 Pond abundantly stocked with sunfishes and top minnows.jpeg 679 × 394; 46 KB
  
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  FMIB 35015 Spraying oil on algal pads to destroy their usefulness as hiding places for the immature mosquito.jpeg 670 × 374; 49 KB
  
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  FMIB 35017 Section of pond showing presence of water lilies.jpeg 670 × 374; 47 KB
  
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  FMIB 35018 Rushes growing in end of pond These plants rarely provide protection for mosquito larvae.jpeg 670 × 374; 75 KB
  
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  FMIB 35019 Tall rushes and grasses which do not provide protection for mosquito larvae.jpeg 667 × 399; 50 KB
  
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  FMIB 35020 Pond supporting dense vegetation consisting principally of smart weeds which do not provide protection for mosquito larvae.jpeg 668 × 399; 58 KB
  
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  FMIB 35021 Section of pond showing abundant growth of tall vegetation which does not provide much protection for mosquito larvae.jpeg 668 × 399; 51 KB
  
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  FMIB 35022 Distant view of pond Much marginal vegetation which usually furnishes some protection for mosquito larvae.jpeg 704 × 379; 34 KB
  
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  FMIB 35023 Showing marginal vegetation removed.jpeg 704 × 379; 31 KB
  
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  FMIB 35025 Spraying oil on algal pads.jpeg 704 × 444; 49 KB
  
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  FMIB 35026 Section of hatchery.jpeg 679 × 393; 53 KB
  
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  FMIB 35027 Section of hatchery showing partition between ponds.jpeg 679 × 394; 43 KB
  
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  FMIB 35028 Spraying oil on an acid swamp in which fish can not live but which supports Anopheles larvae.jpeg 650 × 371; 50 KB
  
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  FMIB 35029 Section of clean shore of a pond where mosquito larvae were abundant before introducing top minnows.jpeg 656 × 388; 37 KB
  
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  FMIB 35030 Showing growth of aquatic grass in corner of pond Such grass furnishes excellent protection for mosquito larvae.jpeg 696 × 402; 67 KB
  
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  FMIB 35031 Aquatic grass growing along the shallow edge of a pond where it forms protection for mosquito larvae.jpeg 693 × 399; 51 KB
  
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  FMIB 35032 Floating plants of myriophyllum and debris which provide protection for mosquito larvae.jpeg 693 × 399; 65 KB
  
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  FMIB 35033 Treating pond with copper sulphate for killing algae Laborer is dragging a small bag of the chiemical through the water by means.jpeg 693 × 399; 45 KB
  
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  FMIB 35045 Brevoortia tyrannus (Latrobe).jpeg 1,216 × 594; 134 KB
  
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  FMIB 40381 Etheostoma rufilineatum.jpeg 1,059 × 471; 141 KB
  
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  FMIB 40382 Hybopsis kentuckiensis Hornyhead.jpeg 1,055 × 515; 149 KB
  
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  FMIB 40383 Ulocentra stigmaea.jpeg 1,155 × 362; 111 KB
  
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  FMIB 40384 Catostomus commersonii Common white sucker.jpeg 1,225 × 431; 131 KB
  
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  FMIB 40385 Etheostoma zonale.jpeg 1,107 × 458; 147 KB
  
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  FMIB 40386 Lepomis pallidus Bluegill.jpeg 1,116 × 841; 262 KB
  
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  Samuel F. Hildebrand holding newly caught fish (3607612917).jpg 463 × 496; 36 KB