The annals and magazine of natural history : zoology, botany, and geology . e association inthis species alone was said to be longitudinal—a fact whichapj)ears to have been known at the earliest to Bosanquet(1894), who mentions it casually in describing anotherspecies, and even admits en jiassant into his paper a very ] Plourocystis ciunoti, Hesse. 2r)9 iiiiulequate fij^iire. Ir» Monori/stis agilts and other speciiMtlie ai)|)licati()ii of the coiiju:;;iMt3 is polar of oiul-to-ciul (tig. 2). Since the parasitt-s are attachetl to the sotninallunnels oE the hosts purniancntly, us all a^reu (and t
The annals and magazine of natural history : zoology, botany, and geology . e association inthis species alone was said to be longitudinal—a fact whichapj)ears to have been known at the earliest to Bosanquet(1894), who mentions it casually in describing anotherspecies, and even admits en jiassant into his paper a very ] Plourocystis ciunoti, Hesse. 2r)9 iiiiulequate fij^iire. Ir» Monori/stis agilts and other speciiMtlie ai)|)licati()ii of the coiiju:;;iMt3 is polar of oiul-to-ciul (tig. 2). Since the parasitt-s are attachetl to the sotninallunnels oE the hosts purniancntly, us all a^reu (and they donot hecouie detached post mortem), it is the close proximityof the individuals to one an<ithur which determines theirassociation into diploids inter sf, which mii^t theretore ofnecessity be longitudinal, A curious condrmation of this i-ishown in fig. 3 in the case of the diploids D and E, whichare partially attached to one another at their posterior extrt--mities, from which I infer that di[)loiilal association [trobaUlyalways hvijins at this eiul. Fi-. y. riettrocystia cuhioti. Two diplniils, D and E, pnrtially attacliud to onoanother nt tliiir llo^t(. rior extiemities But Ilesse (1009) pointed out that ^fonocystis magna,Schmidt, ditYered so materially from other species that heproposed for it the generic name of Ntinatocx/stis. Further,that there was existing another animal, which, agreeing inthe main with the characters of Monocystis rather than withthose of JS^enuifncJ/slin, became coupled, in a longitudinalnrinner, with a partner for life like j\einatocysl{s, and notmerely during the process of conjugation. To this form he^ave the name of FIcnrocystis cuinotiy and, whilo aihnittingthat it is very rare, remarks that the animals arc always inthe diploidal tomlition and never found siutjli/. After giving 260 Mr. W. H. Leioli-Shaipe on careful the matter ot tlie clainis of y^emato-cystis and Pleurocystis as independent genera, I have cometo the
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Keywords: ., bookcentury1800, bookidser9annalsmaga, booksubjectnaturalhistory
