284 British Antarctic Expedition. 
without the help of steam, unquestionably as a sign 
of exceptionally favourable ice conditions. in the 
year when the Ærebus and Terror penetrated into 
Antarctic ice-pack. In ice-pack, similar to that the 
Southern Cross encountered, sailing vessels would be 
FAST AGAIN. 
left hopelessly to its mercy. The progress of a 
vessel in the Antarctic depends, according to my 
experience, very much upon the locality in which the 
pack is attacked and also upon the meteorological 
conditions. Having no land to the northward, a 
day or two might alter the ice conditions entirely. 
