Biblioteca Digital

41 resultados para Occurrence record.

A record of the teleostean eggs and larvae observed at Plymouth in 1897

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Regular occurrence of Thysanoessa inspinata (Crustacea: Euphausiacea) in the Gulf of Alaska

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First record of Enoplematopus callistus (Crustacea:Decapoda: Nephropidae) in the Cape Verde Islands

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On the effect of the severe winter of 1928-1929 on the oyster drills (with a record of five years' observations on sea-temperature on the oyster-beds) of the Blackwater Estuary

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The occurrence of a marine leech, Abranchus blennii N.Sp., resembling A.Sexoculatus (Malm) in North Wales

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The occurrence and breeding of Sagitta elegans Verrill and Sagitta setosa J.Muller in parts of the Irish Sea

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The occurrence of the smooth sand-eel, Gymnammodytes semisquamatus (Jourdain), in the Plymouth area, with notes on G. cicerelus (Rafinesque) and G. capensis (Barnard)

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Notes on the British species of Trididemnum (Didemnidae, Ascidiacea), with a report of the occurrence of T. niveum (Giard) in the Plymouth area

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Observations of the skin pigment and amoebocytes, and the occurrence of phenolases in the coelomic fluid of Holothuria forskali Delle Chiaje

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The occurrence of porphyrins in certain marine invertebrates

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The occurrence at Plymouth of the opisthobranch Akera bullata, with notes on its habits and relationships

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A record of plankton on the echo-sounder

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The occurrence at Plymouth of Dictyocotyle coeliaca Nybelin, 1941 (Trematoda: Monogenea)

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The occurrence of Idotea metallica Bosc in British waters

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The occurrence of gallium in marine organisms

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