REFERENCES 31 



Metcalf, M. M., 1918. The Salpidaea: a taxonomic study. Bull. U.S. Nat. Mus. no. 100, vol. ii, part 2, pp. 5-193, pis. I-XIV. 

 Meyen, F. J. F., 1832. Beitrdge zur Zoologie, gesammelt auf einer Reise um die Erde. Nova Acta Leop. Carol., vol. xvi, 



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 MlCH.\EL, Ellis L., 1918. Differentials in behaviour of the two generations 0/ Salpa democratica relative to the temperature of 



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 MiCHAELSON, W., 1915. Tunicata. Beitr. Meeresfauna Westafr. vol. I, p. 319. Hamburg. 

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APPENDIX 



Stations at which one or other of the four species have been recorded. Unless otherwise stated all are stations worked 

 either by R.R.S. 'Discovery II' or R.R.S. 'William Scoresby' (prefixed by W. S.) and their positions and other data 

 are given in the relevant station lists (Discovery Reports, vols. I, III, IV, XXI, XXII, XXIV, XXV, XXVIII). 

 Station data for material collected by the 'Brategg' Expedition are given in Midttun and Natvig, 1957. 



Salpa fusiformis 



428, 429, 432-435. 673, 677, 687, 690, 696, 699, 701-708, 710, 711, 713-715, 841, 845-847, 873, 877, 968, 969, 

 1608-1612, 1736, 1740, 1744, 1756, 1760, 1801-1803, 1806, 2027, 2086, 2148, 2150, 2350, 2380, 2418, 2419, 2453, 

 2483, 2524, 2526, 2527, 2576, 2683, 2689, 2690, 2691, 2727, 2728, 2731, 2817, 2818, 2889. 



Full data for the following stations are unpublished : 



