...“Is then the venom of snakes so active after it has been taken away from the animal?”... 
Captain Frederick Marryat 「The Mission; or Scenes in Africa」
...Davy's estimate of the venom of thecarawala is below the truth, as cases have beenauthenticated to me, in which death from its bite ensued within afew days...
J. Emerson Tennent 「Sketches of the Natural History of Ceylon」
...They drop from the branches upon travellers inthe jungle, attacking them with venom and fury, and inflictingintolerable pain both upon animals and man...
J. Emerson Tennent 「Sketches of the Natural History of Ceylon」
...None of these uses of venom has become widely accepted, and its value is questionable...
Ray D. Burkett 「Natural History of Cottonmouth Moccasin, Agkistrodon piscovorus (Reptilia)」
..." Smith (1956:310) stated: "Unlike the copperhead, cottonmouths are pugnacious; their powerful jaws, long fangs, vicious disposition and potent venom make them a very dangerous animal...
Ray D. Burkett 「Natural History of Cottonmouth Moccasin, Agkistrodon piscovorus (Reptilia)」
...Wolff and Githens (1939b:234) made 16 venom extractions from a group of cottonmouths in a two-year period...
Ray D. Burkett 「Natural History of Cottonmouth Moccasin, Agkistrodon piscovorus (Reptilia)」
... Another group of cottonmouths from which venom was extracted over a period of five years also showed no decrease in yield or toxicity...
Ray D. Burkett 「Natural History of Cottonmouth Moccasin, Agkistrodon piscovorus (Reptilia)」
...Freshly dried cottonmouth venom tested on young white rats showed the lethal dose to be from 23 to 29 milligrams per kilogram of body weight...
Ray D. Burkett 「Natural History of Cottonmouth Moccasin, Agkistrodon piscovorus (Reptilia)」
...The venom of 11 one-week-old cottonmouths was found to be more potent than that of adult males...
Ray D. Burkett 「Natural History of Cottonmouth Moccasin, Agkistrodon piscovorus (Reptilia)」
...adamanteus venom as being weaker than that of the copperhead (A...
Ray D. Burkett 「Natural History of Cottonmouth Moccasin, Agkistrodon piscovorus (Reptilia)」
... Possibly the venom of each species of snake has greatest effect on animals of the particular group relied on for food by the snake...
Ray D. Burkett 「Natural History of Cottonmouth Moccasin, Agkistrodon piscovorus (Reptilia)」
...piscivorus venom injected into a L...
Ray D. Burkett 「Natural History of Cottonmouth Moccasin, Agkistrodon piscovorus (Reptilia)」
...His studies indicated that snakes are not immune to venom of their own kind or to closely related species...
Ray D. Burkett 「Natural History of Cottonmouth Moccasin, Agkistrodon piscovorus (Reptilia)」
...However, most of the snakes were able to survive normal or average doses of venom although they are not necessarily immune to it...
Ray D. Burkett 「Natural History of Cottonmouth Moccasin, Agkistrodon piscovorus (Reptilia)」
...Bacterial growth is aided by the venom which blocks the bactericidal power of the blood...
Ray D. Burkett 「Natural History of Cottonmouth Moccasin, Agkistrodon piscovorus (Reptilia)」
...This consists of a brief warming period to determine whether or not the action of the venom can be felt...
Ray D. Burkett 「Natural History of Cottonmouth Moccasin, Agkistrodon piscovorus (Reptilia)」
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