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File:The biology of dragonflies (Odonata or Paraneuroptera) (1917) (19761618713).jpg

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Description
English:

Title: The biology of dragonflies (Odonata or Paraneuroptera)
Identifier: biologyofdragonf00till (find matches)
Year: 1917 (1910s)
Authors: Tillyard, Robin John, 1881-1937
Subjects: Dragon-flies
Publisher: Cambridge (Eng. ) : University Press
Contributing Library: University of California Libraries
Digitizing Sponsor: Internet Archive

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Text Appearing Before Image:
340 BRITISH SPECIES (CH. interrupted dorsally. App. sup. short, black, divergent, pointed; i>if. trun- cated. $ abd 58—62, hw 46—50, pt 5. Closely resembles cJ. Fairly common. June—Aug. Subfamily Aeschninae (Characters, p. 262). Tribe Brachytronini (Characters, p. 264). Genus III. Brachi/tron Evans (fig. 123). i?"? symmetrically forked proximad to pt. Bspl and Mspl onlj^ one cell-row below Rs and 21^ lespec- tively. Pt very narrow. Aa of hw angulated in q. Eye.'i meeting only for a moderate distance. Auricles present in J. 3. B. hafniense Miiller ( =B. pratense Mtiller). o ubd 40—41, htr 35—3(5, pt 4-5, yellowish brown; memh. small, white. Thorax and abd. hairy, dark brown with bands and spots of yellow, green or blue. App. sup. long, curved; inf. short. 9 abd 38, hio 35. Dorsal thoracic bands reduced to spots; other markings yellower. Local. July. Tribe Aeschnini (Characters, p. 265). Genus IV. Aeschna Fabr. (Plate II, fig. A). Sectors of arc. arising near middle of arc.; pt long, of moderate width. Bs unsymmetrically forked close to level of pt. Rspl and Mspl curved, 3—4 cell-rows below Rs and M^ respectively at middle. Aa of hiv angulated in (J. Auricles present in ,3.
Text Appearing After Image:
A. B. C. D. E F. Fig. 170. Anal appendages of males of Aeschyui, dorsal view. a. Ae. grnndis Linn. B. Ae. junceoJJinn. c. Ae. coe.rulea^txom. d. Ae. mixta'L^.tr. k. Ae. cyanea Miiller. f. Ae. isosceles Miiller, Original. 4. Ae. grandis Linn. <$ abd 55—57, hw 48—50, j)i 3. Wings yellowish- brown all over. Aa of hw as in No. 5. Eyes closely contiguous. Frons without a T-mark. Coloration brown, thorax with two pairs of lateral yellow stripes. Abd. constricted at 3, with very small blue or yellowish spots. App. sup. 4-5, inf. 2; shaped as in fig. 170 A. $ abd 51—53, hw 47—51, pt 3-5. Abd. not constricted at 3, almost uniformly brown; apps. 3, leaf-like. Fairly common; Southern. July—Sept. 5. Ae. juncea Linn. <J abd 53—59, hw 43—48, pt 4. Wings hyaline, C yellowish. Aa of hiv 2-celled (fig. 171 a). Eyes closely contiguous. Frons with a T-mark. Thorax with narrow dorsal and broader lateral yellow bands.

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https://www.flickr.com/photos/internetarchivebookimages/19761618713/

Author Internet Archive Book Images
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(Reusing this file)		 At the time of upload, the image license was automatically confirmed using the Flickr API. For more information see Flickr API detail.
Flickr tags
InfoField
  • bookid:biologyofdragonf00till
  • bookyear:1917
  • bookdecade:1910
  • bookcentury:1900
  • bookauthor:Tillyard_Robin_John_1881_1937
  • booksubject:Dragon_flies
  • bookpublisher:Cambridge_Eng_University_Press
  • bookcontributor:University_of_California_Libraries
  • booksponsor:Internet_Archive
  • bookleafnumber:370
  • bookcollection:cdl
  • bookcollection:americana
  • BHL Collection
Flickr posted date
InfoField
7 August 2015

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