ARTICLES Louise H. Sparks, Roger del Moral, Alan F. Watson and Arthur R. Kruckeberg: The distribution of vascular plant species on Sergief Island, southeast Alaska Natasha I. Calvin: A qualitative description of the intertidal plants and animals of Berners Bay, southeastern Alaska Mary Needler Arai: Specimens of new hydroid species described by C.M. Fraser in the collections of the British Columbia Provincial Museum G.G.E. Scudder: An annotated checklist of the aquatic and semiaquatic Hemiptera (Insecta) of British Columbia J.A. Storrar, R.J. Hudson, and R.E. Salter: Habitat use behaviour of feral horses in spatial relationships with moose in central British Columbia G.I.McT. Cowan and I.McT. Cowan: A new chiton of the genus Mopalia from the northeast Pacific Coast John F. Palmisano and Yu-chung S. Sheng: Blade width of Laminaria longipes (Phaeophyceae, Laminariales) as an indicator of wave exposure Katherine H. Capes: Archaeological investigations of the Millard Creek site, Vancouver Island, British Columbia Harvey Janszen: Vascular plants of Saturna Island, British Columbia Gerda Krause and W.B. Schofield: The moss flora of Lynn Canyon Park, North Vancouver, British Columbia David B. Donal and R. Stewart Anderson: Distribution of the stoneflies (Plecoptea) of the Waterton River Drainage, Alberta, Canada R.D. Goos and R.J. Bandoni: Epistolae mycologicae VIII. Phialospore production by an isolate of Helidendron triglitziense from British Columbia Roy L. Taylor and Sylvia Taylor: Chromosome numbers of vascular plants of British Columbia Aaron D. Sekerak and Hisao P. Arai: Some metazoan parasites of rockfishes of the genus Sebastes from the northeastern Pacific Ocean M.S. Topping and G.G.E. Scudder: Some physical and chemical features of saline lakes in central British Columbia Notes: Hugh C. Smith: A fossil bison skull from western British Columbia Barry C. Jones and Glen H. Geen: Observations of the brown cat shark, Apristurus brunneus (Gilbert) in British Columbia coastal waters Alton Harestad: Range extension of the Northern Alligator Lizard, Gerrhonotus coeruleus princeps (Baird and Girard) on Vancouver Island Alton Harestad: Seasonal abundance of northern sea lions, Eumetopias jubatus (Schreber), at McInnes Island, British Columbia Raymond M. Buckley and Irwin Erickson: First record of jack mackerel, Trachurus symmetricus, in Puget Sound Roy L. Taylor and Barry Gough: New sighting of sea otter reported for Queen Charlotte Islands