. The biology of dragonflies (Odonata or Paraneuroptera). Dragon-flies. 170 THE RESPIRATORY SYSTEM [CH. eighth to the first abdominal segment, on either side of the heart, above the aHmentary canal. They are not directly connected. Fig. 75. Tracheal system of abdomen of AesrJma hievistyhx Ramb. r? (x2J). Heart displaced to right, alimentary canal to left; left dorsal and ventral trunks and left testis removed, an anus; as air-sacs; cr crop; DT dorsal trunk; hg hind-gut; ht heart; mg mid-gut; mp Malpighian tubules; oes oesophagus; sp abdominal spiracles; ts testis; vd vas deferens; VNT ventral
. The biology of dragonflies (Odonata or Paraneuroptera). Dragon-flies. 170 THE RESPIRATORY SYSTEM [CH. eighth to the first abdominal segment, on either side of the heart, above the aHmentary canal. They are not directly connected. Fig. 75. Tracheal system of abdomen of AesrJma hievistyhx Ramb. r? (x2J). Heart displaced to right, alimentary canal to left; left dorsal and ventral trunks and left testis removed, an anus; as air-sacs; cr crop; DT dorsal trunk; hg hind-gut; ht heart; mg mid-gut; mp Malpighian tubules; oes oesophagus; sp abdominal spiracles; ts testis; vd vas deferens; VNT ventral trunk; VT visceral tnmk; 2-8 ganglia of ventral nerve-cord. Original, from a dorsal 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 Tillyard, Robin John, 1881-1937. Cambridge [Eng. ] : University Press
Size: 884px × 2828px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, bookpublishercambridgeenguniver
