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Published online by Cambridge University Press: 06 July 2012
A few years ago the late Sir C. Wyville Thomson gave me for examination some specimens of Ascidians which had been obtained during the cruises of the “Porcupine” and “Lightning,” and last summer I received from Mr John Murray the remainder of the Ascidiæ Simplices and two species of the Ascidiæ Compositæ from the same deep-sea dredging expeditions. Some additional specimens of the “Porcupine” Ascidiæ Compositæ have been placed in my hands during the last few days (January 1, 1884). The present paper contains a detailed account of the Simple Ascidians alone; the Compound forms will be worked up along with the “Challenger” Ascidiæ Compositæ, and will be described and figured in the second part of my Report upon the Tunicata of the “Challenger” Expedition. It may, however, be useful to state here that the “Porcupine” Compound Ascidians include:—
page 219 note * In the summer of 1868 H.M.S. “Lightning” explored the region of the North Atlantic lying between the Hebrides and the Færöes. In 1869 H.M.S. “Porcupine” made three cruises, the first off the north-west and west coasts of Ireland, the second off the south and south-west of Ireland, and the third off the north of Scotland as far as the Færöes. In 1870 the “Porcupine” dredged down the west coasts of France and Spain and in the neighbourhood of Gibraltar Strait, and explored the African coast of the Mediterranean as far east as Sicily.
page 220 note * “Notes on British Tunicata,” Journ. Linn. Soc. Zool, vol. xv. No. 85, p. 274Google Scholar.
page 220 note † Loc. cit., pl. xvi. fig. 6.
page 221 note * Loc. cit., pl. xvii. fig. 2.
page 221 note † Loc. cit., pl. xvii. fig. 1.
page 221 note ‡ “Recherches sur l'organisation des Ascidies Simples, &c,” Archives de Biologie, t. ii. fasc. 1, pl. iv. fig. 2.
page 222 note * Compare description in Journ. Linn. Soc. Zool, vol. xv. No. 85, p. 288Google Scholar.
page 229 note * See Report upon the Tunicata dredged during the voyage of H.M.S. “Challenger,” Part I. Plate XX. figs. 4, 8, and 11.
