4. An intelligent crew, from their greater feeling of independence, is, however, more difficult to command than an ignorant one. Devotion and blind confidence are more rarely found in an educated crew; their amenability to discipline is dependent on the good example, the kindness and unalterable calmness of those who may command them. The law of a Polar expedition is obedience, and its basis morality. Punishments are in such situations a miserable and depressing means for the preservation of order, and then employment, especially in a private undertaking, will tend rather to loosen than to maintain the bonds of discipline. If Parry, in 1820, caused corporal punishments to be inflicted, this proves the greater facility with which discipline is maintained on board of a man-of-war, but not its appropriateness generally. Coercion and threats produce no effect; and hence the folly of attempting to secure success by sending out again those who returned without having achieved anything, which was done last century by the authorities of St. Petersburg with every unsuccessful enterprise on the Arctic coasts of Siberia. The regulation that the most meritorious among the crew shall be specially rewarded, after the return of the expedition, provides for the recognition of merit, without exciting ill feeling in the less worthy. For the officers scientific success may be a perfect reward of their toils, but for the crew the reward should consist of more material advantages. Money, indeed, seems a feeble motive of action to men destined to withstand for years the inclemency of Arctic winters, and uncertain whether they shall ever return; but, notwithstanding, it is the only form by which men without sympathy for the aims of science can be gained for the attainment of such objects. The crews of Sir John Ross received for a martyrdom of four years passed in the ice about £100 a head; in the second German expedition from eight to twelve thalers were the monthly pay of each sailor. The pay of the sledgers in the _Tegetthoff_ was, however, nearly four times as much; in some sledge journeys it amounted to 3,000 gulden a man. 5. Contrary to what might be expected, the re-employment of those who have served before is not to be recommended as a rule. The very best only should be re-enlisted. The others are too much disposed to place their experience on a level with that of their commanders; and in all cases, where their opinions differ from those of their officers, they damage by a kind of passive opposition the fundamental law of an expedition—obedience. Those who enter the Arctic regions for the first time are wont to receive the orders of an experienced commander with an attention as unquestioning as it is respectful. Married men also should be excluded, as they were by Barentz in his second (1596) expedition.