References in classic literature ?
While the ear of the former has an external opening, that of the latter is entirely and evenly covered over with a membrane, so as to be quite imperceptible from without.
His eyes were half-filmed over by a growth of morbid membrane, and what was not yet covered shone red and irritated.
Reid considers it to be the effect of inflammation in the nictitating membrane. When the animal was alive I placed my finger within half an inch of its head, and not the slightest notice was taken: it made its way, however, about the room nearly as well as the others.
His head ached, his eyes were wet, his mucous membrane, he informed her, was in a most unsatisfactory condition.
The shells were a little open; the Captain came near and put his dagger between to prevent them from closing; then with his hand he raised the membrane with its fringed edges, which formed a cloak for the creature.
But despite his caution, a tiny cut so small that it had escaped his searching, had come in contact with the infected mucous membrane and blood poisoning had set in.
In South America, a burrowing rodent, the tuco-tuco, or Ctenomys, is even more subterranean in its habits than the mole; and I was assured by a Spaniard, who had often caught them, that they were frequently blind; one which I kept alive was certainly in this condition, the cause, as appeared on dissection, having been inflammation of the nictitating membrane. As frequent inflammation of the eyes must be injurious to any animal, and as eyes are certainly not indispensable to animals with subterranean habits, a reduction in their size with the adhesion of the eyelids and growth of fur over them, might in such case be an advantage; and if so, natural selection would constantly aid the effects of disuse.
"If this tiny disc can vibrate a bone," he thought, "then an iron disc might vibrate an iron rod, or at least, an iron wire." In a flash the conception of a membrane telephone was pictured in his mind.
While most of them commenced patching the tears of the membrane, half a dozen of them started off for the nearest road in search of a gas main, and presently found themselves prisoners in the hands of a hostile crowd.
Another few minutes would have done for me, I am sure, but the warmth of the interior helped to revive me, aided and abetted by some brandy which Bradley poured down my throat, from which it nearly removed the membrane. That brandy would have revived a corpse.
I was once, I remember, called to a patient who had received a violent contusion in his tibia, by which the exterior cutis was lacerated, so that there was a profuse sanguinary discharge; and the interior membranes were so divellicated, that the os or bone very plainly appeared through the aperture of the vulnus or wound.
Is it possible that you do not know the elementary fact in comparative anatomy, that the wing of a bird is really the forearm, while the wing of a bat consists of three elongated fingers with membranes between?

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