. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. Figs. 9-13. Protura, Thysanura, Entotrophi 9. Thermobia, middle leg. Lepismatidse. 10. Machilis, hind leg. Machilidae. 11. Hanseniella, front leg. Scutigerellidse. 12. Acerentulus, middle leg. Acerentomidae. 13. Campodea, middle leg. Campodeidse. ORDER COLLEMBOLA Small or minute, soft-bodied, wingless, springing insects, the body sometimes clothed with scales or hairs. Head freely movable. Antenna; four- to six-jointed. Eyes of a degenerate compound type, composed of a few separated facets; sometimes entirely absent.


. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. Figs. 9-13. Protura, Thysanura, Entotrophi 9. Thermobia, middle leg. Lepismatidse. 10. Machilis, hind leg. Machilidae. 11. Hanseniella, front leg. Scutigerellidse. 12. Acerentulus, middle leg. Acerentomidae. 13. Campodea, middle leg. Campodeidse. ORDER COLLEMBOLA Small or minute, soft-bodied, wingless, springing insects, the body sometimes clothed with scales or hairs. Head freely movable. Antenna; four- to six-jointed. Eyes of a degenerate compound type, composed of a few separated facets; sometimes entirely absent. Mouthparts retracted within the head; mandibles well developed; palpi vestigial. Thorax with the segments fused into a single mass. Legs similar, slender; tarsi one-jointed, with a single claw and a smaller claw-like empodium. Abdomen consisting of six segments; without cerci, and never terminated by caudal filaments or pincers-like appendages; usually with a leaping appendage which is often forked at apex and. 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 Harvard University. Museum of Comparative Zoology. Cambridge, Mass. : The Museum


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Keywords: ., bookauthorharvarduniversity, bookcentury1900, booksubjectzoology