Early Iowa Map Attracts Settlers

White Settlers in the Tropics

a 0* ?By. A. | Price. Additional notes by R. G. Stone. Vp>! G. s l',"'hjCal publication No. 23.) 1939. American Geogray0pK) Society, Broadway at 156th Street, New \ gON.Y. Pp. xiil plus 311. Illustrated. Price, $ " ^ This is an attempt to review as a whole the sU^jcal or failure of white settlement throughout the troj lands of the world and all aspects of the probleiw considered, namely, climat...

Interocular conflict attracts attention

During binocular rivalry, perception alternates.between dissimilar images presented dichoptically. Since.its discovery, researchers have debated whether the phenomenon is subject to attentional control. While it is now clear that attentional control over binocular rivalry is possible, the opposite is less evident: Is interocular conflict (i.e., the situation leading to binocular rivalry) able t...

The root rot fungus Armillaria mellea introduced into South Africa by early Dutch settlers.

Dead and dying oak (Quercus) and numerous other woody ornamental trees and shrubs showing signs and symptoms of Armillaria root rot were identified in the Company Gardens, Cape Town, South Africa, which were established in the mid-1600s by the Dutch East Indies Trading Company. Nineteen isolates from dying trees or from mushrooms were collected and analysed to identify and characterize the Armi...

Early Geological Explorations of the Silurian System in Iowa

The Early History and Recent Trends in Iowa Herpetology