Literature
  • 1995
  • A change in the zooplankton of the central North Sea (55°-58°N): A possible consequence of changes in the benthos. Marine Ecology Progress Series, 119(1-3): 299-303.
  • 1962
  • A discussion of the genus Tima (Leptomedusae, Hydrozoa). Videnskabelige meddelelser fra Dansk Naturhistorisk Forening i Kjøbenhavn 124: 101-113.
  • 1998
  • A female giant squid (Architeuthis) stranded on the Aberdeenshire coast. J. Moll. Stud., 64, 489-492.
  • 1980
  • A generic revision of the family Cranchiidae. Bull. Mar. Sc., 30(2): 365-412.
  • 1868
  • A history of the British hydroid zoophytes. London, Van Voorst, vol. 1: lxviii+338 pp.; vol. 2: 67 pp.
  • 1996
  • A key and bibliography for the identification of zoeal stages of brachyuran crabs (Crustacea, Decapoda, Brachyura) from the Atlantic coast of Europe. Journal of Plankton Research, 18(1): 17-27.
  • , 1896
  • A monograph of the marine and freshwater Ostracoda of the North Atlantic and of Northwestern Europe. Sections 2-4: Myodocopa, Cladocopa, Platycopa. Scientific Transactions of the Royal Dublin Society, Series 2, 5: 353-374.
  • 1981
  • A monograph of the order Pyrosomatida (Tunicata, Thaliacea). Journal of Plankton Research, 3(4): 603-631.
  • 1905
  • A monograph on the isopods of North America. Bull. U.S. nat. Hist. Mus., 54. 727 pp.
  • , 1996
  • A multiannual outbreak of the turbellarian Alaurina composita Mecznikow 1865 in the German Bight. Journal of Plankton Research, 18(2): 157-162.
  • 1914
  • A new gymnoblastic hydroid. [On Melicertum octocostatum] Report of the Dove Marine Laboratory (New Series) 3: 104-106, pls 1-5.
  • 1990
  • A practical guide to the euphausiids of the world. British Museum (Natural History), London. 96 pp.
  • 1953
  • A preliminary report on the Ostracoda of the Benguela Current. Discovery Reports, 26: 259-279.
  • 1954
  • A propos d'Artachnactis albida. M. Sars. Rep. Sc. Res. "Michael Sars" N Atl. Deep-Sea Exp., 5(10): 1-6.
  • 1998
  • A provisional generic classification of the Family Loliginidae. In: N.A. Voss, M. Vecchione, R.B. Toll and M.J. Sweeney (eds.), Systematics and biogeography of cephalopods, Volume 1. Smiths. Contrib. Zool, 586: 215-222 (
  • 1959
  • A rare hydromedusa [Eutonia indicans ]. Nature, London 184 (4703): 1963.
  • 1996
  • A rare record of the salp, Thetys vagina (Tunicata: Thaliacea) from western Scottish waters. J. mar. biol. Ass. U.K., 76: 833.
  • 1974
  • A revision of the genera Salpa Forskål, 1775, Pegea Savigny, 1816, and Ritteriella Metcalf, 1919 (Tunicata, Thaliacea). Beaufortia, 22(293): 153-191.
  • 1998
  • A revision of the systematics and distribution of Illex species (Cephalopoda: Ommastrephidae). Smithsonian Contributions to Zoology, 586(2): 405-423.
  • 1980
  • A summer survey of large zooplankton, particularly Scyphomedusae, in North Sea and Baltic. Meeresforschungen, 28(1): 61-68.
  • 1998
  • A synopsis of Sepiidae outside Australian waters (Cephalopoda: Sepioidea). Smithsonian Contributions to Zoology 586(1): 77-157.
  • 1965
  • A synopsis of the Siphonophora. British Museum (Natural History). London, 230 pp, 153 figs, 40 pls.
  • 1949
  • a. Tunicata, Thaliacea: Salpidae. Fiches d'Identification du Zooplancton, 9 (1947). Conseil International pour l'Exploration de la Mer, Kopenhagen.
  • 1973
  • Abundance and composition of zooplankton on the West coast of Sweden. Zoon, 1: 113-123.
  • 1906b
  • Acraspede Medusen. Nordisches Plankton, 6(11): 40-64. Lipsius & Tischer, Kiel. (Reprint Asher & Co., Amsterdam, 1964).
  • 1978b
  • Addenda to Hydromedusae. families: Pandeidae, Trichydridae, Laodiceidae, Proboscidactylidae. Fiches d'Identification du Zooplancton, 161 (1978). Conseil International pour l'Exploration de la Mer, Kopenhagen.
  • 1927
  • Amphipoda des nordischen Plankton. Nordisches Plankton, 3(6): 589-722. Lipsius & Tischer, Kiel. (Reprint Asher & Co., Amsterdam, 1964).
  • , 1963
  • Amphipoda. Sub-order Hyperiidea Family Phronimidae. Fiches d'Identification du Zooplancton, 104 (
  • 1963
  • Amphipoda. Sub-order Hyperiidea, Family Hyperiidae. Fiches d'Identification du Zooplancton, 103 (
  • , 1925
  • Amphipodes. Faune de France, 9. Lechevalier, Paris. 488 pp, 438 figures.
  • 1877
  • An account of some new species, varieties, and monstrous forms of medusae. II. The Journal of the Linnaean Society (Zoological Series) 13: 190-194.
  • 1876
  • An account of some new species, varieties, and monstrous forms of medusae. The Journal of the Linnaean Society (Zoological Series) 12: 524-531.
  • 1895
  • An account of the Crustacea of Norway. Vol. I. Amphipoda. The Bergen Museum.
  • 1897
  • An account of the Crustacea of Norway. Vol. II. Isopoda. The Bergen Museum.
  • 1900
  • An account of the Crustacea of Norway. Vol. III. Cumacea. Bergen Museum, Bergen.
  • 1998
  • Anatomy of Thaliacea. In: Q. Bone (ed.),
  • 1996
  • Annelida, Borstenwürmer, Polychaeta. Tierwelt Deutschlands, 58: 1-648.
  • 1975
  • Antarctic Ostracoda (Myodocopina). Smithsonian Contributions to Zoology, 163, Pt. 1, 1-374; Pt.2, 1-720.
  • 1920
  • Anthomedusae and Leptomedusae from the "Michael Sars" North Atlantic Deep-Sea Expedition 1910. Report on the Scientific Results of the "Michael Sars" North Atlantic Deep-Sea Expedition 1910. 3 (part 2, un-numbered section 5): 1-14, pl. 1.
  • 1962
  • Anthozoa. Ceriantharia: larvae. Fiches d'Identification du Zooplancton 93 (
  • 1998
  • Appendicularian distribution and zoogeography. In: Q. Bone (ed.),
  • 1896
  • Archiannelida, Polychaeta and Myzostomaria. In: S.F. Harmer and A.E. Shipley (eds.) The Cambridge Natural History. MacMillan and Co., Ltd. London.