160 Do ve über die nicht periodischen Veränderungen 



131) Pen Yan. 



165) Philadelphia. 



1798 

 1799 

 1800 

 1801 

 1802 

 1803 

 1804 

 1825 

 1826 

 1827 

 1828 

 1829 

 1830 

 1831 

 1832 

 1833 

 1834 

 1835 

 1844 

 1845 

 1846 

 1847 

 1848 

 1849 

 1850 

 1851 

 1852 

 185.3 

 1854 

 1855 

 1856 



33 1 

 33.7 

 31.8 

 31.2 

 408 

 32 9 

 29.6 

 335 

 340 

 27.0 

 37.0 

 300 

 300 

 27 

 33.0 

 36.0 

 29.5 



32 

 27.0 

 37.0 



33 3 



32 3 

 36.7 

 29.0 

 35.8 

 35.2 

 27.5 



33 1 

 32 2 

 35.4 

 24 I 



32.3 

 32.9 

 31.4 



34 5 

 34.5 

 363 

 34.0 

 35.5 



35 5 

 35 

 41.5 

 25.0 



31 5 

 28.0 

 36.0 

 355 

 42.0 

 28.0 



32 

 345 

 295 

 33.2 

 23.6 

 27 5 

 37.1 

 39 8 

 34 1 

 37 3 

 34.5 

 276 

 26 1 



43.2 

 38.8 

 38.7 



44 4 

 42.3 

 41.9 

 38.7 

 44.8 

 39.5 

 42 



45 

 370 

 41.0 

 44 5 

 44.0 

 40.5 

 44.5 

 40.0 

 43.0 

 44.8 

 42 7 

 38.7 

 39.4 



42 5 

 39 5 



43 5 

 40.7 

 43 1 

 43 

 39.0 

 32.8 



53.0 

 542 

 55 9 

 49 

 52.9 

 54.2 

 50.9 

 51.7 

 48.5 



55 

 47.0 

 53.0 

 54.5 

 540 



51 



56 

 545 

 530 

 565 

 52.0 

 53.2 

 51.2 

 54 4 

 50.6 

 48.1 

 52.0 

 466 



52 4 

 51.2 

 522 



53 4 



76 4 

 76 2 

 76.2 

 76.4 

 74.7 

 78.0 

 76.9 

 79.3 



73 

 76 

 750 

 750 

 79 5 

 78.0 

 74.0 

 76 

 79 

 760 

 75.0 

 760 



74 5 

 76 5 



74 8 

 74.7 

 77.4 

 76.8 

 77.0 



75 5 

 78.7 

 78.5 

 79.7 



81.6 

 45 



734 

 2.8 

 4.5 



75.7 

 6.5 

 

 30 



69 

 6 



5 



5 ii 

 7.0 

 4.0 

 2 

 5 

 4.0 

 3.5 

 4.5 

 4.8 

 3.5 

 4.5 

 14 

 3.0 

 ■2.4 

 2.2 

 16 

 5.8 

 3.0 

 2 8 



67.8 

 67.2 

 66.1 

 69.1 

 67.2 

 65.9 

 72 8 

 62.5 

 67.0 

 63.0 

 65.0 

 600 

 670 

 690 

 63.0 

 66 

 65 

 65.0 

 66.5 

 65 5 

 70 8 

 66.0 

 64.5 

 64 4 

 669 

 67.4 

 64.8 

 68.5 

 69.5 

 676 

 67.3 



58.2 

 55.0 

 54 9 

 56.5 

 59 9 

 57.9 

 57.3 

 540 

 55.0 

 52.0 

 54.0 

 550 

 57 

 56.0 

 55.0 

 55.0 

 53 

 600 

 533 

 55.8 

 55.3 

 54.0 

 562 

 55.3 

 56.0 

 56.6 

 58.2 

 53 5 

 58.7 

 53.9 

 55.6 



54 9 

 53.1" 

 53.4 

 53.3 

 549 

 54 1 

 54.5 

 53.5 

 53.9 

 52 1 

 55.1 

 52.6 

 54 9 

 53.7 

 53.9 

 53.7 

 54 6 

 53.6 

 53.3 

 53.8 

 54.4 

 53.8 

 54.8 

 53.1 

 54 

 54.7 

 53.6 

 54.9 

 54.7 

 53.6 

 52.0 



1825 — 1856 



31.8 32.3 



41.0 



51.8 62.5 715 1 76.0 



3 2 I 63.8 I 54.5 



53.1 



166) Pittsburg. 



1854 126 82 131.18 1-39 33 -47.28 J6t 00 70.23 178.00 J81.90 J71.53 156.49 ;40.15 129.91 



1855 31.20 20.18 33.37 51 14 58 19 65 47 73 37 [70.13 [68 99 48 90 44 66 31.84 



52.82 

 49.79 



Mittel 129.01 [25.68 136.35 |49.21 |59.59 167.85 175.69 176 02 170.26 152.69 142.41 130.88 51.31 



