Ritchie, J. (1910-1911). Contribution to our knowledge of the hydroid fauna of the West of Scotland. Being an account of the collections made by Sir John Murray, K.C.B., on S.Y. 'Medusa'. Annals of Scottish Natural History. 76: 220-225 [1910], 77: 29-34, 158-164, 217-225 [1911].
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Ritchie, J.
1910-1911
Contribution to our knowledge of the hydroid fauna of the West of Scotland. Being an account of the collections made by Sir John Murray, K.C.B., on S.Y. 'Medusa'