Limnology zoologist) and Einar Naumann (a Swedish botanist) co-founded the International Society of Limnology (SIL, from Societas Internationalis Limnologiae). Forel's original definition of limnology, "the oceanography of lakes", was expanded to encompass the study of all inland waters, and influenced Benedykt Dybowski's work on Lake Baikal. Prominent early American limnologists included G. Evelyn Hutchinson, Ed Deevey, E. A. Birge, and C. Juday. Physical properties of aquatic ecosystems are determined by a combination of heat, currents, waves and other seasonal distributions of environmental conditions. The morphometry of a body of water depends on the type of feature (such as a lake, river,
Egyptian Grammar: Being an Introduction to the Study of Hieroglyphs Egyptian Grammar: Being an Introduction to the Study of Hieroglyphs Egyptian Grammar: Being an Introduction to the Study of Hieroglyphs was written by Alan Gardiner and first published in 1927 in London by the Clarendon Press. It has been reprinted several times since. The third edition published in 1957 is the most widely used version for the subject. Through a series of thirty-three lessons, the book gives a very thorough overview of the language and writing system of Ancient Egypt. The focus of the book is the literary language of the Middle Kingdom. The creation of the book resulted in