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Deep-Water Crustacea of the Genus Sergestes (Decapoda, Natantia) from Cook Strait, New Zealand

Material and Methods

Material and Methods

Although the majority of the specimens examined were collected by the Department of Zoology, Victoria University, during investigations into the fauna of Cook Strait, specimens of Sergestes were also made available by the Dominion Museum, the Marine Department Fisheries Laboratory, the Chatham Islands 1954 Expedition, and the Portobello Marine Biological Station. The Collections of the Auckland Museum, the Canterbury Museum, the Canterbury University Zoology Department, and the Otago Museum were also examined for Sergestidae without success. Through the kindness of Dr. Isabella Gordon, of the British Museum (Natural History) I was able to examine, during 1955, the type of Sergestes kröyeri and search the collections under her charge for other sergestid material from the New Zealand area.

The following abbreviations are used in presenting the collection and station data for this material: BT, beam trawl; N2M, 2 metre cone net; N4M, 4 metre cone net; OT, otter trawl; fms., fathoms; hrs., hours (time given in International 24-hour system); mm, millimetre. All drawings have been made with an Abbé camera lucida. The carapace length, measured directly with fine dividers and accurate within 0.5 mm, is used as the standard measurement of the shrimp throughout, and this is the measurement given in the "material available" lists.

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