. Animal parasites and messmates. Parasites. 240 ANIMAL PARASITES AKD MESSMATES. sinus of the Eustachian tube. We collected a large bottle full from a single porpoise around its internal ear. When we consider the prodigious number of these creatures, may we not suppose that they are able to multiply in the organs which they occupy, as well as migrate to infest other individuals. Different generic and specific names have been given to these Strongyli. A round worm found in the intestines of the dog, the Strongylus trigonocephalies, lives at first in damp earth or mud like the rhabdites in gener
. Animal parasites and messmates. Parasites. 240 ANIMAL PARASITES AKD MESSMATES. sinus of the Eustachian tube. We collected a large bottle full from a single porpoise around its internal ear. When we consider the prodigious number of these creatures, may we not suppose that they are able to multiply in the organs which they occupy, as well as migrate to infest other individuals. Different generic and specific names have been given to these Strongyli. A round worm found in the intestines of the dog, the Strongylus trigonocephalies, lives at first in damp earth or mud like the rhabdites in general; it then passes into the dog, and there becomes a sexual Strongylus. It is possible that there are others in the same cate- gory. The Ascaris lurribrico- ides is a large roundworm which attains the size of a quill pen, and which is commonly found in the stomach or the lesser in- testines of children when in good health. Aristotle was acquainted with it. It has been observed throughout Europe, in Central Africa, in Brazil, and Australia. The same species lives in the intestines of the pig; but the Ascaris megalocephalus, which is usually found in the horse, is of a different Fig, 67.—Ascaris lumbricoides.—1, com- plete worm, 2, head, 3, tail of the male, 4, middle of the body of 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 Beneden, M. van (Pierre Joseph), 1809-1894. New York, D. Appleton and Co.
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectparasit, bookyear1876
