. ' '•.. / / / / / a 0 n© • Parathemisto gaudichaudii a Vibilia antarctica o Cyllopus mage/lan/cus © Cyllopus lucasii Fig. i. Chart showing distribution of the four commonest pelagic Amphipods. The relative abundance is indicated approximately by the size of the signs. For details of the South Georgia area see Fig. 2. The South Orkney records are from Bate (1862). (Isobaths approximate only.) As examples of the wealth of species in some localities,, the lists of species at certain stations may be mentioned. Around South Georgia St. 42 and St. 140 both produced 25 species, St. 123 28 species, a

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. ' '•.. / / / / / a 0 n© • Parathemisto gaudichaudii a Vibilia antarctica o Cyllopus mage/lan/cus © Cyllopus lucasii Fig. i. Chart showing distribution of the four commonest pelagic Amphipods. The relative abundance is indicated approximately by the size of the signs. For details of the South Georgia area see Fig. 2. The South Orkney records are from Bate (1862). (Isobaths approximate only.) As examples of the wealth of species in some localities, , the lists of species at certain stations may be mentioned. Around South Georgia St. 42 and St. 140 both produced 25 species, St. 123 28 species, and St. 144 29 species. Off Clarence Island St. 170 pro- duced 36 species. In Bransfield Strait St. 175 produced 33 species. These are all bottom dwellers, and were captured in a single haul at each station. DISTRIBUTION It would be premature to attempt a lengthy discussion of the geographical distribution of the components of the Amphipodan fauna of the area investigated, especially in view of the further investigations now being undertaken by the 'Discovery II'. It may not be amiss, however, to deal briefly and tentatively with some of the conclusions to which the results of the Discovery (1925-7) investigations seem to point.