. The Canadian field-naturalist. 40 The Canadian Field-Naturalist Vol. 106. Figure 4. Distribution of records of P. phocoena in the St. Lawrence region; these records are of strandings and confirmed incidental catch reports. Major geographical fea- tures: A. Saguenay River, B. Gaspe Peninsula, C. Anticosti Island, D. Western Newfoundland, E. Magdalen Islands, F. Prince Edward Island, G. Cape Breton Island. Specific localities: L Bale Ste-Catherine, 2. Les Escoumains, 3. St. Paul-du- Nord, 4. St. Simeon, 5. St. Flavie, 6. Godbout, 7. Les Mechins, 8. Brochu, 9. Marsoui, 10. Mont-Louis, IL Petite
. The Canadian field-naturalist. 40 The Canadian Field-Naturalist Vol. 106. Figure 4. Distribution of records of P. phocoena in the St. Lawrence region; these records are of strandings and confirmed incidental catch reports. Major geographical fea- tures: A. Saguenay River, B. Gaspe Peninsula, C. Anticosti Island, D. Western Newfoundland, E. Magdalen Islands, F. Prince Edward Island, G. Cape Breton Island. Specific localities: L Bale Ste-Catherine, 2. Les Escoumains, 3. St. Paul-du- Nord, 4. St. Simeon, 5. St. Flavie, 6. Godbout, 7. Les Mechins, 8. Brochu, 9. Marsoui, 10. Mont-Louis, IL Petite-Vallee, 12. Carleton, 13. Maria, 14. Forillon, 15. Longue-Pointe, 16. Mingan, 17. Havre Saint-Pierre, 18. Baie-Johan-Beetz, 19. Grande Entree, 20. Hardy's Channel, 21. Cavendish, 22. Georgetown. These records are taken from Laurin (1976) and more recent data summaries provided by P. Beland et al. (1987). to provide meat for his mink farm in the 1950s and early 1960s (Fisher, personal communication). Indians from the Pleasant Point Reserve in northern Maine have sporadically hunted Harbour Porpoises in Canadian waters into the 1980s. Population Sizes and Trends Pacific Coast Barlow (1988), using line transect methods during four ship surveys covering 6590 km in September 1984 and May 1986, estimated the total population size of the Harbour Porpoise on the coasts of California, Oregon and Washington as slightly under 50 000 (49 862 ± 8891). He noted factors which he believed, could have led to this being an underesti- mate. It is also possible to identify factors, especially latitudinal changes in densities, which could result in it being an overestimate. There is a strong possibility of latitudinal shifts in population centres during the course of the year. Nevertheless, if Barlow's estimate of mean densi- ty is accepted as a working value and in the process of estimating an overall approximate multiple for shelf area one eliminates from consideration, as did both Barlow (1988
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