. Beginners' Zoology . Fig. 275.—Skull, showingteeth, fangs, and quadratebone to which lower jawis joined. See Fig. 284. 146 BEGINNERS ZOOLOGY. and death from blood being withdrawn from brain ^-ways two punctures, the closer together the smaller \hesnake. Remedies: Ligature between wound and heartlance wound and suck; inject into wound three drops of iper cent solution of chromic acid or potassium perman-ganate. Give strychnine, hypodermically, until strychninesymptoms (twitchings) appear. No one but a physicianshould give strychnine. Digitalin or caffein acts likestrychnme; alcohol has opposi
. Beginners' Zoology . Fig. 275.—Skull, showingteeth, fangs, and quadratebone to which lower jawis joined. See Fig. 284. 146 BEGINNERS ZOOLOGY. and death from blood being withdrawn from brain ^-ways two punctures, the closer together the smaller \hesnake. Remedies: Ligature between wound and heartlance wound and suck; inject into wound three drops of iper cent solution of chromic acid or potassium perman-ganate. Give strychnine, hypodermically, until strychninesymptoms (twitchings) appear. No one but a physicianshould give strychnine. Digitalin or caffein acts likestrychnme; alcohol has opposite effect Protective Coloration and an animalimitates thecolourorformofirs inanimate is said to be protectivelycoloured or formed. Givean instance of protectivecoloration or form a-mong lizards; butterflies;grasshoppers; a m p h i - Whpn or. • 1 • . bians; echinoderms. When an _ ammal imitates the colour or the form ofanotker ammai it is said to mimic the animal. Mimicryusually enables an animal to deceiveenemies into mistaking it for an ani-mal which for some reason they milkweed butterfly has
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