MIGRATIONS OF WHALES — KELLOGG 



473 



period according to Hinton (1925, p. 89) numbers are found off 

 Bear Island, Jan Mayen, and to the north of Iceland. Neverthe- 

 less, the New England whalers were accustomed to hunt for hump- 

 backs in the vicinity of the Cape Verde Islands during the winter 

 months. In April or early spring some of these northern wintering 

 schools may migrate southward to join those that have given birth 

 to calves in the warmer portions of the North Atlantic. From 

 March to May females with new-born calves have been observed in 

 the vicinity of the Azores, the Cape Verde Islands, and off the north- 

 western coast of Africa. On their northward migration, the hump- 



'^..W 



FiGDRB 2. — Distriljution map for tlie humpback whale, with supposed migration 

 routes in north and south hititudes 



backs pursue a general course from southwest to northeast. In May 

 they are seen approaching the Shetland and Faroe coasts, but large 

 numbers have suddenly appeared at Varangerfjord (Eastern Fin- 

 mark) as early as February and March. Large herds of humpbacks 

 are often seen in June and July some 60 miles due west of Rona's 

 Voe. (Millais, 1906, p. 236.) Toward autumn, according to Risting 

 (1912, p. 442), the humpbacks move north w^ard toward the seas 

 around Bear Island and below Spitzbergen. Later with the chilling 

 of the surface water and the descent of the capelan, the humpbacks 

 move to the more open parts of the Arctic Ocean, wdiere some pass 



