The British Association visitors arrived on several different ships- the SS Parisian,SS Polynesian and the SS Oregon of the Allan Line among those. It seems about 800 members decided to take advantage of the offer of reduced ocean fares and free railway trips on the CPR-the Canadian government contributing $25,000 to offset costs.
The Montreal meeting was the first BA meeting to be held outside of the United Kingdom and therefore garnished a lot of interest.
https://archive.org/stream/jstor-1759804/1759804#page/n1/mode/2up 1883/proposed meeting for the BA in Canada *****
https://archive.org/stream/britishassociati00lefr#page/6/mode/2up $25,000 towards the BA Meeting ****** and various Steam Ship Lines that sailed at that time
http://books.google.ca/books?id=4lEpAAAAYAAJ&pg=PA31&lpg=PA31&dq=%22Montreal+meeting%22+%22british+association%22+%221000%22&source=bl&ots=T8YumtnTZJ&sig=Idl-yip4LyYJRjVQEsdjhMVy2Bs&hl=en&sa=X&ei=YumMUo2PHcXGqwHZqIHwBw&ved=0CCkQ6AEwAA#v=onepage&q=%22Montreal%20meeting%22%20%22british%20association%22%20%221000%22&f=false possible 1000 members for BA meeting
https://archive.org/stream/cihm_04771#page/n0/mode/2up - British Association program
Michelle Cabana, Saskatoon, Sask.