. Dangerous marine animals. Marine animals. MARINE ANIMALS THAT ARE POISONOUS TO EAT 107 of a silver object or garlic placed in the cooking water, etc. ad in- finitum. It is only by careful scientific laboratory procedures that this poison can be determined with any degree of certainty. The digestive organs, or dark meat, gills, and in some shellfish species, the siphon, contain the greatest concentration of the poison (Fig. 65). The musculature or white meat is generally harmless; however, it should be thoroughly washed before cooking. The broth, or bouillon, in which the shellfish is boiled
. Dangerous marine animals. Marine animals. MARINE ANIMALS THAT ARE POISONOUS TO EAT 107 of a silver object or garlic placed in the cooking water, etc. ad in- finitum. It is only by careful scientific laboratory procedures that this poison can be determined with any degree of certainty. The digestive organs, or dark meat, gills, and in some shellfish species, the siphon, contain the greatest concentration of the poison (Fig. 65). The musculature or white meat is generally harmless; however, it should be thoroughly washed before cooking. The broth, or bouillon, in which the shellfish is boiled is especially dan- gerous since the poison is water soluble, and should be discarded if there is the slightest doubt. The tidal location from which the shellfish were gathered cannot be used as a criterion as to whether the shellfish are safe to eat. Poisonous shellfish may be found in either low or high tidal zones. If in doubt—throw out! THEORY ON THE ORIGIN OF FISH POISONS POISONOUS HERBIVORE POISONOUS CARNIVORE. PLANT CONTAINING POISON OR PRECURSOR Fig. 66. Diagram illustrating theory as to the origin of fish poisons. POISONOUS FISHES The problem of poisonous fishes is an exceedingly complex one, and is quite mystifying to most persons encountering these organ- isms. One of the difficult things to understand is how a valuable food fish in one locality can be so poisonous in another. Neverthe- less, this is the situation that exists. The dual personality of these fishes has caused much confusion both in medical literature and among laymen in the field. The fact that a person may have eaten a particular fish on hundreds of occasions and never found it to be poisonous is no guarantee that this same fish under slightly differ-. 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 Halstead, Bruce W. Cambridge, M
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Keywords: ., bookcentury1900, bookcollectionbiodive, booksubjectmarineanimals
