Jungle Air

To protect $20,000 worth of chimpanzees, gorillas, orangutans, gibbons and blue mandrills from colds and sinus ailments, the Philadelphia Zoo last week under the direction of Engineer Willis Haviland Carrier installed in its monkey house three machines to provide warm moist air exactly like that of a jungle. Engineer Carrier last year installed similar machinery to control the heat and humidity of the air in the U. S. House of Representatives, the U. S. Senate, the offices of President Hoover.

Smelt Run

In 1912, millions of small, silvery, delicious, peculiar smelt were dumped into Lake Michigan. The smelt is a saltwater fish but can adapt itself, to fresh water. Smelt were needed in Lake Michigan to be food for lake trout and whitefish.

Presently the Lake Michigan smelt were discovered eating the spawn of Lake Michigan's whitefish and lake trout. And five years ago, in the spring, residents of Beulah, Mich, noticed a nightly commotion in the waters of Cold Creek. Like salmon, smelt swim upstream to breed. The Lake Michigan smelt had discovered a spawning ground in Crystal Lake, at the end of Cold Creek.

Last week, the annual Cold Creek smelt run reached its height. Each moonless night, between 2 a. m. and 4 a. m., the six-foot width of the creek was darkened by pushing, struggling, hurrying slivers of silver from six to twelve inches long. Nearly 20,000 fishermen, led by Michigan's Governor Fred Warren Green, took up quarters in or near Beulah, a village of 350. Before dawn, they stood along the banks of Cold Creek, dipping up the teeming water with buckets, nets, washtubs, frying pans, kitchen pots.*

Beulah's spectacular smelt run lasts only ten days, too short to be commercially profitable. Smelt are profitably captured elsewhere in Lake Michigan, and in Finland, Maine, New Hampshire, New Brunswick. They are found along the Atlantic coast between the Delaware River and the Gulf of St. Lawrence; in Europe, from the Bay of Biscay to the Gulf of Finland and elsewhere between lat. 40 and 60.

In any habitat, land-locked or salt water, smelt conduct their migrations in the same way--running in shallow streams only on moonless nights, just before dawn, vanishing in the day or at the appearance of a light.

Monkeys

In London, ten small monkeys escaped from a shop, visited a fishmonger's store, ate smoked haddock. Later, in a thick fog, the monkeys dispersed among nearby roofs, sneaked down chimneys leading to astonished drawing rooms. Five, led by an old monkey, moved into a deserted house hung out of the windows jibbering at "Bobbies." Later the ten monkeys, famed, were sold for exorbitant prices.

*Though game laws stipulate that smelt may be legally taken only with dip nets of certain dimensions, Michigan's game experts are so discouraged by smelt damage to whitefish that they permit smelt fishermen to use any gear they like.

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