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ID: 16474
Ringhals or rinkhals cobra
ID: 16473
Egyptian cobra, side of the head
ID: 16472
Egyptian cobra, top of the head
ID: 16471
Egyptian cobra
ID: 16470
ID: 16469
Diamondback snake
ID: 16468
Sand boa
ID: 16467
Madagascar tree boa
ID: 16466
Royal python
ID: 16465
Rock python
ID: 16464
Russell's viper
ID: 16463
Snake charmer's basket and snakes
ID: 16462
King cobra, side of head
ID: 16461
King cobra, top of head
ID: 16460
Two color phases of cobra
ID: 16459
Skeleton of cobra with hood spread
ID: 16458
Emerald whip snake [emerald tree boa]
ID: 16457
Rat snake
ID: 16456
Rough-tailed [or rough scaled] sand boa
ID: 16429
Coral snake, West Indies
ID: 16428
Sharp-nosed viper
ID: 16427
Blunt-headed snake
ID: 16426
Swamp snake
ID: 16425
Water snake, South America
ID: 16060
The toad walks cautiously toward the worm, ca. 1903
ID: 16059
Slug and its eggs, ca. 1903
ID: 16058
American toad showing the narrow bony crest of the head, ca. 1903
ID: 16057
One year old toads, ca. 1903
ID: 16056
Toads coming to after playing dead, ca. 1903
ID: 16055
Toad tadpoles, Rhode Island
ID: 16054
A small portion of an extended coiled mass of toad's eggs found at the bottom of an irrigation ditch, Rhode Island, ca. 1903
ID: 16053
Toad's eggs three days after laying, 1903
ID: 16052
Toad's eggs laid June 12, 1903, photographed 24 hours later when eggs are enclosed in curling cylindrical jelly masses
ID: 16051
American toad, ca. 1903
ID: 16050
Spadefoot toad, Raleigh, North Carolina, 1903
ID: 16049
ID: 16048
ID: 16046
Atlas carved in quartz, Russia, 1913
ID: 16045
Garnet cameo said to be from the Vatican collection, carved with image of Christ
ID: 16044
Shell from the West Indies carved with cameo depicting Diana of Actaeon, Italy, 1917
ID: 16043
ID: 16042
ID: 16041
Clay pipes, Algonquin (top) and Iroquois (bottom), United States
ID: 16040
Double headed painted drum, Winnebago, Wisconsin
ID: 16039
ID: 16038
Large curly knot and elongated curly knot bowls, Winnebago, United States
ID: 16030
Inoculated and uninoculated field peas, Pennsylvania, photographed from book
ID: 16029
Retting flax in the River Lys, Belgium, 1900-1913
ID: 16028
Men and women at work draining the garbage, [New York, ca. 1913]
ID: 16027
Tonsillitis in Eastern Massachusetts, map of case distribution in May [1900-1925]
ID: 16026
Tonsillitis in Eastern Massachusetts, map of case distribution in April [1900-1925]
ID: 16025
Map showing plan of floating baths and proximity to sewers, New York City, photograph from book
ID: 16024
Interior of a free floating bathing establishment, sewage particles were often visible in the water of these baths, photograph from book
ID: 16023
Chart showing deaths from yellow fever in the city of Havana, Cuba, 1891-1910
ID: 16022
Chart showing deaths from yellow fever in the city of Havana, Cuba, 1871-1880
ID: 16021
Map of New Jersey and New York showing typhoid epidemic from oysters [1924-1925]
ID: 16020
Chart showing typhoid cases in Jacksonville, Florida from 1910-1912, with decrease seen following fly-proofing
ID: 16019
Milk-Borne Epidemic of Diptheria in Eastern Massachusetts, 1907, chart
ID: 16018
Fly trap, 1910
ID: 16017
Fly trap for garbage can designed by Professor C. F. Hodge, ca. 1913
ID: 16016
Garbage collection with horse drawn wagon full of wrapped garbage, [ca. 1913]
ID: 16015
Sanitary garbage can outside home, ca. 1913
ID: 16014
Woman placing garbage in can outside home, ca. 1913
ID: 16013
Garbage wrapped in newspaper, [ca. 1913]
ID: 16012
Wrapping garbage in newspaper, ca. 1913
ID: 16011
Bacteria and decomposition at a canning factory, sink with food, [ca. 1913]
ID: 16010
Dirty stalls [in barn or stable] where manure had not been removed for days and floor was covered with maggots, photograph from book, ca. 1913
ID: 16009
Front view of model of fly, 1913
ID: 16008
Head of a fly, side view, 1913
ID: 16007
Front view of head of the house fly, 1913
ID: 16006
Front view of head of fly, 1913
ID: 16005
Bed bug (top) and body louse (bottom), magnified, 1913
ID: 16004
Male and female rat fleas, magnified, 1913
ID: 16002
Goldfish eating mosquito larva, 1913
ID: 16001
Eggs, larvae, and pupa of mosquitoes
ID: 16000
Mosquito larvae
ID: 15999
Male and female non-malarial mosquitoes (figures 76 and 77) and malarial mosquitoes (figures 78 and 79)
ID: 14555
Clay model of hippopotamus, 1909
ID: 14554
ID: 14553
ID: 14552
Mold for hippopotamus model, 1909
ID: 14551
Model of hippopotamus, 1909
ID: 14550
Plaster model of hippopotamus, 1909
ID: 14549
ID: 14548
ID: 14547
ID: 14546
ID: 14545
ID: 14544
Clay form for hippopotamus model, 1909
ID: 14543
ID: 14542
Making mold of hippopotamus model, 1909
ID: 14541
Clay model from which a plaster mold is being made of a hippopotamus, 1909
ID: 14540
Clay being modeled for hippopotamus, 1909
ID: 14539
Lower half of mold for hippopotamus model, 1909
ID: 14538
ID: 14537
Making clay mold of hippopotamus model, 1909
ID: 14151
Village of Java, huts in a clearing, French Guinea, Africa, about 1902
ID: 14148
[Young men of Dunbar], French Guinea, Africa, about 1902
ID: 14145
Harbor of Lorenzo (Lourenco) Marques, Mozambique, people on shore, about 1902
ID: 14144
A mail-boat ready to sail, Cape Colony, Africa, about 1902
