vi 5 8 3, 30: I me 3,400 3.300 2200! 3100 3.000 2.90C 2.800 2.700 2.600 2.500 R400 2.3500 2.200 2.100 t.000 1,900 — 1.800 — 1.700 — l.§00 — 1.500 :'— L.400! - 1,300 j— L.200— roo LLoo of - 900t— Boo | #4 700|— oy 1 Soo 400 300 2oc Loo D 0a “05 2006 C142. 10986. 9 /4 /20 3 "07 ng _ 1°98 YY? to08 1909 1910 Tanke KEY. ARGENTINA, ——— New ZEALAND. —. AUSTRALIA, — Urucuay. --—. NORTH AMERIC” ro MT 1913 LL Ed 1915 1918 eee 4 1917 ry Cr 1920 Diagram. [) “29 ~ 1923 | —-— 1924 1927 331304 h (> Malby& Sons. t hoto-litho