TANGANYIKA EXPEDITION.3k Figs.94-104.Trypanosoma perce, from the Perch, all from preparations stained with iron-hematoxylin, except 94, 95, 103, 104.97, 98, fixed with Schaudinn's fluid after previous exposure to osmic vapour ; 98-102, fixed with Mann's picro-corrosive-formol ; 103, osmic vapour followed.by absolute alcohol, 104, dried off and fixed with absolute alcohol, both stained with Giemsa's stain.94, 95.Sketch of Trypanosoma perce, large forms, drawn living ; 94, a Specimen showing two dots at the hinder end (kinetonucleus and blepharoplast ?); 95, a specimen showing a refringent dot, lodged in a vacuole, close behind the trophonucleus.96.Specimen showing myonemes on both surfaces of the body, from a preparation in which the stain was but slightly extracted.97.Middle portion of another specimen, very contracted, showing myonemes, from the same preparation as the last.98. Specimen showing a large blepharoplast, connected with the kinetonucleus (or division of the kinetenucleus 2).99.Another specimen from the same preparation as the last.100-102.Trophonuclei of different specimens.103, 104.Stout forms drawn to show the distribution of the cytoplasmic eranules ; in 104 many of the granules are in pairs, as if dividing or recently divided.2.
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Prof. G. O. Sars (1909) studied this question.