. The Cambridge natural history. Zoology. POLYMORPHA—PTINIDAE 247 present imperfect state of knowledge ^ it is not necessary to treat them separately. Ptinidae are sometimes very destructive to dried animal matter, and attack specimens in museums; Anobiides Lore into wood, and apparently emerge as perfect Insects only for a very brief period; Anoliknn ()Sito- drejKi) paniceum is, however, by no means restricted in its tastes; it must possess extraordinary powers of digestion, as we have known it to pass several consecu- tive generations on a diet of opium ; it has also been reported to thrive
. The Cambridge natural history. Zoology. POLYMORPHA—PTINIDAE 247 present imperfect state of knowledge ^ it is not necessary to treat them separately. Ptinidae are sometimes very destructive to dried animal matter, and attack specimens in museums; Anobiides Lore into wood, and apparently emerge as perfect Insects only for a very brief period; Anoliknn ()Sito- drejKi) paniceum is, however, by no means restricted in its tastes; it must possess extraordinary powers of digestion, as we have known it to pass several consecu- tive generations on a diet of opium ; it has also been reported to thrive on tablets of dried compressed meat; in India it is said to disintegrate books; a more usual food of the Insect is, how- ever, hard biscuits; weevilly biscuits are known to every sailor, and the so-called " weevil" is usually the larva of A. paniceum (Fig. 127, B). In the case of this Insect we have not detected more than one spiracle (situate on the first thoracic segment); the other known larvae of Anobiides are said to possess eight abdominal spiracles. The skeleton in some. Fig. 126.—" ; Anubi'um pan 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 Harmer, S. F. (Sidney Frederic), Sir, 1862-; Shipley, A. E. (Arthur Everett), Sir, 1861-1927. London : Macmillan and Co. ; New York : The Macmillan Company
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