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The Regeneration of Legs in Rhodnius Prolixus (Hemiptera)
1 Department of Zoology, University of Cambridge and Laboratoire d'Évolution des Êtres Organisés, University of Paris
1. Partial regeneration of the legs is possible in Rhodnius prolixus.
2. The regeneration potencies appear at the level of the femur-tibia joint and increase gradually in a distal direction.
3. Regeneration usually ceases after the fourth post-amputation moult.
4. No striking differences in regenerative capacity can be detected either in the different legs on one nymphal instar or in the legs of different nymphal instars. There is, however, considerable individual variation.
5. Regeneration is dependent on the time which elapses between the amputation and the next moult.
6. The regeneration processes have a higher temperature coefficient than the moulting processes.
7. A conception of two limiting factors is briefly discussed.
Note:
I should like to thank Dr V. B. Wigglesworth for providing laboratory facilities in his department and for many helpful suggestions. The work was carried out with the help of a grant from the ‘Schweizer Stiftung für biologisch-medizinische Stipendien’.
Submitted on June 22, 1948
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