Imágenes de páginas
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(Nos. 261 and 27.) Patagonia and Falkland Islands. Observed as follows, viz. :

Port Louis, Falkland Islands, by Sir James Ross, for an aggregate period of 172 days, in the years 1842 and 1843, and by Charles Darwin, for 77 days, in the year 1832.

Punta Arenas, for an aggregate period of eight years, viz. : Spring of 1853 to 1855; and end of 1858 to 1863, by Gov. Jorje Schyte; and July, 1857, to June, 1858, by Dr. J. Burns; with gaps completed, some of them from Prof. Ig. Domeyko.

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(Nos. 27(a) to 49.)

Atlantic Ocean.
From observations for an aggregate period of 75 years, collected and classified, from the logs
of numerous sailing vessels, at the United States Naval Observatory, 'under the direction of Capt.
M. F. Maury, Superintendent.

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Spring 29. Lat. 50° Summer to 52o S., long. Autumn 63° to 67° W. Winter

The year! 30. Lat. 52° to 54° S., long

Spring

Autumn 63° to 67° W.

31. Lat. 52° to 54° S., long. Winter 63° to 65° W.

32. Lat. 50° Spring to 52° S., long. Autumn 61° to 63o W. Winter

33. Lat. 52° to 54° S., long. Summer 61° to 67° W.

34. Lat. 52o to 54° S., long, Winter 61° to 63o W. 35. Lat. 52°

Spring to 54° S., long.

Autumu 59° to 63o W. 36. Lat. 50°

Summer to 52o S., long.

The year! 55 to 630 W.

37. Lat. 52o to 54° S., long. The year! 55° to 67° W.

38. Lat. 520 to 54° S., long. Winter 57° to 61o W. 39. Lat. 50°

Spring to 52o S., long. Autumn 55° to 61o W. Winter

40. Lat. 52° to 54° S., long. Summer 55° to 61o W.

r Spring 41. Lat. 500

Summer to 55° S., long. Autumn 55° to 60° W. Winter

The year! 42. Lat. 52°

Spring to 51° S., long.

Autumn 559 to 59° W.

43. Lat. 52 to 54° S., long. Winter 55° to 57° W.

Spring 44. Lat. 509 Summer to 55° S., long. Autumn 50° to 55° W. Winter

The year!

Spring 45. Lat. 500 Summer to 55° S., lovg. Autumn 35° to 50° W. Winter

The year! 46. Lat. 50° to 55° S., long.

Winter 35°W. to 6° E.

47. Lat. 500 to 55° S., long. Spring 3° W. to 13° E.

48. Lat. 50° to 55° S., long.

Winter 6° to 30° E.

49. Lat. 50° to 55° S., long. Winter 20° to 22° E.2

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| Computed from the resultants for the seasons.

2 Magnetic variation 17° 9'.

(Nos. 50 to 56.) Antarctic Ocean and Heard's Island. Observed as follows, viz. :

At Heard's Island, by officers of whale ships from New London, Connecticut, for an aggregate
period of nearly four years, in the years 1856 to 1859 inclusive.

At Sea, for an aggregate period of 83 days, by Capt. Cook, New London whalers and others.
The observations of most of the latter were collected and classified at the United States Naval
Observatory.

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The material for this zone does not belong exclusively either to the one that precedes or to the one that follows, the limit between the two being the parallel of latitude 55°. It is thought best, therefore, to arrange it in a zone by itself.

(Nos. 1 to 16.)

Off Cape Horn, longitude 55° to 89° west.
From observations for an aggregate period of over 67 years, collected and classified, from the
logs of numerous sailing vessels, at the United States Naval Observatory, under the direction
of Capt. M. F. Maury, Superintendent.

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as Number of days.

2 N. 65° 42' W.50
1 N. 85 3 W..52
7 N. 62 39 W..53
6 N. 82 2 W. .14 S. 74° E.

N. 77 0 W.1 .42
1 S. 83 10 W..42
5 N. 80 16 W..55
5 N. 73 6 W. .60
8 N. 78 16 W..58
5 S. 82 47 W.1.47 S. 621 E.
0 S. 74 33 W.! .50 S. 301 E.
4 N. 89 44 W. .64 N. 777 W.

S. 88 25 W. .55 3 N. 78 1 W..75

Winter

3 6 8 16 15 40 12 27 101 18
1 11 5 18 5 31 7 48 14 34
1 7 7 19 15 58/ 34 85 26 56
0 5 5 15 25 44 24 45 36 38
1 4 13 24 9 36 10 21 18 18
0 2 8 13 9 27 1 16 5 11

8 4 16 14 38 38 42 14 18

92

6 7
1 10
1 3
2 6

Spring
Summer
Autumn
The year
Winter

8. Long. 69° to 77° W.

60 35 70 317

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9. Long. 69° to 75o W.

10. Long. 65° to 69' W.

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11. Long. 63° to 69° W.

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12. Long. 63° to 65° W.

Spring
Summer
Autumn
The year!
Winter
Spring
Summer
Autumn
Winter
The year!

37 36 15 14
6 10 1 4

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13. Long. 61° to 63o W.

4 3 11 14 12 29 9 27 10 23' 11 N. 60 31 W..30

70 4 19 4 19 24 73 26 66 24 53 10 N. 72 23 W. .45 | N. 301 E. 132 1 10 3 19 34 34 24 29 14 11 1 S. 78 45 w..53 S. 191 W. 69 3 1 7 21 25 50 30 77 33 67 16 N. 61 24 W. .55 N. 121 W. 133

N. 77 3 W.1 .46

600 4 17 12 53 29 116| 54 73 29 65 20 N. 79 9 W..44

196 8 4 5 24 16 37 9 27 10 29 6 S. 89 33 W. .46 S. 881 E. 66

4 3 16 16 34 4 5 6 15 2 S. 74 43 W.!! .43 S. 347 E. 42 2 3 3 7 8 32 29 19 7 12 2 N. 84 35 W.! .58 N. 56 W. 49 2 10 8 25 19 74 41 51 23 40 20 N. 84 45 W..53 N. 36 W. 118

S. 89 41 W. .49

275 1 6 16 18 44 32 29 23 27 5 N. 69 28 W. .44

89 0 5 3 19 21 55 23 50 21 51 11 N. 64 33 W..50 S. 87 W. 108 0 10 5 21 3 49 7 19 13 29 4 N. 50 15 W..30 S. 774 E. 82 0 1 2 11 10 28 11 29 9 38 4 N. 52 24 W. .49 N. 73 W. 64

N. 59 31 W. .44

424 0 1 0 9 16 50 29 29 18 30 7 N. 65 17 W..54

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14. Long. 59° to 61o W.

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12 21 14 12

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16. Long. 55° to 59° W.

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The data for the study of the winds of this zone consist of observations made at 2 stations on land, for an aggregate period of 6 months; at sea for 14 years 6 months. The distribution is as follows:

Where observed.

No. of
Stations.

Aggregate length of time.

Antarctic Ocean,
Terra del Fuego,

over 14 years 6 months.
6 months.

(Nos. 1 to 26.) Antarctic Ocean, longitude 67° west to 180°.
From observations for an aggregate period of 9} years, collected and classified, from the logs of
numerous sailing vessels, at the United States Naval Observatory, under the direction of Capt.
M. F. Maury, Superintendent.

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1. Long. 1750 Winter W.to 180o.

Spring 2.

Summer Long. 120°

Autumn to 165° W. Winter

The year!

r Spring 3.

Summer Long. 85°

Autumn to 115° W. Winter

The year! 4. Lat. 56° to 58° S., Winter long. 83° to 89° W.

5. Lat. 56° to 58° S.,

Spring

Autumn long. 81° to 89° W.)

6. Lat. 56°

Summer to 58° S.,

The year long. 79° to 89°W. 7.

Spring Lat. 55° Summer to 60° S., Autumu long. 80° Winter to 85° W. || The year!

8. Lat. 56° to 58° S., Winter long. 81° to 83° W.

9. Lat. 58° to 60° S., Spring long. 77° to 89° W.

10. Lat. 58°

Autumn to 60° S.,

Winter long. 77° to 85° W.

11. Lat. 58° to 59° S.,

Summer long. 73° to 87° W.

12. Lat. 56° Spring to 58° S., Autumn long. 79° Winter to 81° W.)

13. Lat. 56° Spring to 58° S., Autumn long. 77° Winter to 79° W.)

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