Image from page 687 of "The microscope and its revelations" (1856) | NIBiz Soft

Image from page 687 of “The microscope and its revelations” (1856)

Image from page 687 of “The microscope and its revelations” (1856)

Image from page 687 of

Identifier: microscopeitsrev1856carp
Title: The microscope and its revelations
Year: 1856 (1850s)
Authors: Carpenter, William Benjamin, 1813-1885
Subjects: Microscopy Microscopes Microscopy
Publisher: London : John Churchill
Contributing Library: Francis A. Countway Library of Medicine
Digitizing Sponsor: Open Knowledge Commons and Harvard Medical School

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Text Appearing Before Image:
nly called the proboscis (Fig. 287); auditalso forms the tongue of the £ee and its allies (Eig. 288).In the Dipiera or two-winged flies generally, the labrum,maxillae, mandibles, and the internal tongue (where it exists)are converted into delicate lancet-shaped organs termed setcs,which, when closed-together, are received into a hollow on the upper side of thelabium (Fig. 287,^),but which are ca-pable of being usedto make puncturesin the skin of ani-mals or the epi-dermis of plants,whence the juicesmay be drawn-forthby the proboscis.Frequently, how-ever, two or moreof these organs maybe wantiug, so thattheir number is re-duced from six, tofour, three, or two.—In the Rymeno-ptera (bee and wasp-tribe), however, thelabrum and the man-dibles (Fig. 288, b),much resemblethose of mandibu-late insects, and areused for corre-spondiug purposes;the ma:ml8e (c) aregreatly elongated,and form, when closed, a tubular sheath for the ligida or tongue, through which the honey is drawn up; the labial

Text Appearing After Image:
A, Parts of the mouth of Apis melUfica(Honey-bee): — a, mentum; h, mandibles;c, maxilla; d, labial palpi; e, ligula, or pro-longed labium, commonly tenned the tongue :—B, portion of the surface of the ligula, morehighly magnified. TEUNK OF BEE :—HAUSTELLAIE MOLTH. 665 palpi icT) also are greatly developed, aud fold-together Kke theniaxiUse, so as to form an inner sheath for the tongne; whilethe ligula itself {e) is a long tapering muscular organ,marked by an immense number of short annular divisions,and densely covered over its whole length with longhairs (b). It is not tubular, as some have stated, but issolid; when actively employed in taking food, it is extendedto a great distance beyond the other parts of the mouth ; butwhen at rest, it is closely packed-up and concealed betweenthe maxillse. The manner, says Mr. Newport, in whichthe honey is obtained when the organ is plunged into it atthe bottom of a flower, is by lapping, or a constant suc-cession of short and quick extens

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Tagged: , bookid:microscopeitsrev1856carp , bookyear:1856 , bookdecade:1850 , bookcentury:1800 , bookauthor:Carpenter__William_Benjamin__1813_1885 , booksubject:Microscopy , booksubject:Microscopes , bookpublisher:London___John_Churchill , bookcontributor:Francis_A__Countway_Library_of_Medicine , booksponsor:Open_Knowledge_Commons_and_Harvard_Medical_School , bookleafnumber:687 , bookcollection:medicalheritagelibrary , bookcollection:francisacountwaylibrary , bookcollection:americana , BHL Collection

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