424 Prof. W. Thomson on [June 18, 



of the weather ; but we dredged in 210 fathoms and 550 fathoms, about 

 18 miles to the S."W. of the island, with a satisfactory result. "We 

 reached Kerguelen Island on the 7th of January, and remained there 

 until the 1st of February. During that time Dr. v. "Willemoes-Suhm 

 was chiefly occupied in working out the land-fauna, Mr. Moseley col- 

 lected the plants, Mr. Buchanan made observations on the geology of 

 those parts of the island which we visited, and Mr. Murray and I carried 

 on the shallow-water dredging in the steam-pinnace. Many observations 

 were made, and large collections were stored in the different departments. 

 We detected at Kerguelen Island some peculiarities in the reproduction 

 of several groups of marine invertebrates, and particularly in the Echino- 

 dermata, which I have briefly described in a separate paper. 



Two days before leaving Kerguelen Island, we trawled off the entrance 

 of Christmas Harbour ; and the trawl-net came up, on one occasion, nearly 

 filled with large cup-sponges belonging to the genus Rossella of Carter, 

 and probably the species dredged by Sir James Clark Ross near the ice- 

 barrier, Rossella antarctica. 



On the 2nd of February we dredged in 150 fathoms, 140 miles south of 

 Kerguelen, and on the 7th of February off Yong Island, in both cases with 

 success. 



"We reached Corinthian Bay, in Yong Island, on the evening of the 6th, 

 and had made all arrangements for examining it, as far as possible, on 

 the following day ; but, to our great disappointment, a sudden change of 

 weather obliged us to put to sea. Fortunately Mr. Moseley and Mr. 

 Buchanan accompanied Captain Nares on shore for an hour or two on 

 the evening of our arrival, and took the opportunity of collecting 

 the plants and minerals within their reach. A cast of the trawl 

 taken in lat. 60 52' S., long. 80 20' S., at 1260 fathoms, was not very 

 productive, only a few of the ordinary deep-sea forms having been pro- 

 cured. 



Our most southerly station was on the 14th of February, lat. 65 42' S., 

 long. 79 49' E. The trawl brought up, from a depth of 1675 fathoms, 

 a considerable number of animals, including Sponges, Alcyonarians, 

 Echinids, Bryozoa, and Crustacea, all much of the usual deep-sea cha- 

 racter, although some of the species had not been previously observed. 

 On February 26th, in 1975 fathoms, Umbellularice, Holothuria, and many 

 examples of several species of the Anandiytidce were procured ; and we 

 found very much the same group of forms at 1900 fathoms on the 3rd of 

 March. On the 7th of March, in 1800 fathoms, there were many animal 

 forms, particularly some remarkable starfishes, of a large size, of the 

 genus Hymenaster ; and on the 13th of March, at a depth of 2600 fathoms, 

 with a bottom-temperature of 0'2 C., Holothurice were abundant, there 

 were several starfishes and Actinia, and a very elegant little Brachiopod 

 occurred attached to peculiar concretions of manganese which came up 

 in numbers in the trawl. 



