Translation 2783

• 234
- and:occasionally up to one-and-a-half or two hours. Ifter diving
.they perform a long:Series of.inhalations and exhalations on the
'surface, with short intervals between them. The sound of their
breathing is short and sharp.
• In Arctic waters an incrustation of diatoms may be found on .
the bodies of bottle-nosed whales. The most commonly-occurring ectoparasites
are whale lice, which attack the head, beak, and corners .
of the mouth; copepods and barnacles are observed les S often. Varbus
helminth species are found-in the .stomach, oesophagus, - intestines,
and kidneys
• The diseases of-these whales have been very little studied.
bone tumours and dermatomyeosis have been observed.
.iNorth Atlantic bottle-nosed whales were first hunted see
•Appendix 12). near the coast of Forway at the end of the 19th century.
).rom 1938 to 1 967 the annual kill varied from 8-20 to 612. They
.are now.hunted off the coast of l'orway and in adjacent waters çin
some years as far as Spitsbergen), and also in the Shetland islands
region, where in recent years whaling has:been very successful, from
148 to 686 being taken annually.
. In the western part of the .lorth Atlantic a few tens of these
whales are taken in the best years.
Very large males yield up to two metric tons of oil and up
to 200 kg of spermaceti, butdialf of these quantities is*more usual.
The oil obtained from the_subcutaneous blubber, whicri is WO tO 15 CM
thick, is used ior technical purposes. .Lhe most , valuable oil is that
extracted from the lower.jaw, wnich is used for lubricating delicate
apparatus. The flesh Is used as food for fur-bearin& animals. . . .
The weight of a male (.3.6 metres long was 2.18 metric tons. • .
The status of the stocks of tnese wnales has not been studied.•
White Whale or Beluga (Delphinapterus leucasj
wh ite whales are found nortn of the Gulf Of St. Lawrence and
Newfoundland, along the coast of Labrador, i
avis Strait; anu morth
of ia11in bay (beYend 00 ° N), in Lancaster Sound, in nudson S trait,
and in hudson
ln trie eastern part -of their.range wnite wnales have been
reported at 82 0 30' '2. near Shitbergen, and in tue •arents,
Lam, ana Laptev Seas. In some years they enter tne Laltic nea and