C. den Hartog An analysis of the gnathorhynchidae (neorhabdocoela, turbellaria) and the position of Psittacorhynchus VerweyI nov. gen. nov.sp. in this family

Engels | 1968

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C. den Hartog A preliminary revision of the proxenetes group (trigonostomidae, turbellaria) VI

Engels | 1966

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C. den Hartog A preliminary revision of the proxenetes group (trigonostomidae, turbellaria) IV

Engels | 1965

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C. den Hartog Ecology of Dasya Pedicellata in the Netherlands

Engels | 1964

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C. den Hartog A preliminary revision of the Proxenetes group (Trigonostomidae, Turbellaria)

I-VI

Engels | 1964

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C. den Hartog Proseriate flatworms from the deltaic area of the rivers rhine , meuse and scheldt 1

Engels | 1964

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C. den Hartog The amphipods of the deltaic region of the rivers rhine, meuse and scheldt in relation to the hydrography of the area

Engels | 1963

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C. den Hartog The aplexa hypnorum coenosis in Zuid-Beveland

Engels | 1963

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C. den Hartog The distribution of the marine triclad uteriporus vulgaris in the netherlands

Engels | 1963

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C. den Hartog The distribution of the snail aplexa hypnorum in Zuid-Beveland in relation to soil and salinity

Engels | 1963

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C. den Hartog The life cycle of the water snail aplexa hypnorum

Engels | 1962

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C. den Hartog Comments on the venice-system for the classification of brackish waters

Engels | 1960

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