“…The study of the flow of non-Newtonian fluids is more recent, yet extensive (see, for instance, Dix & Scott Blair, 1940;Eirich, 1956;Eirich & Riseman, 1949;Jeffery, 1922;Reiner, 1956;Rivlin, 1948;Saffman, 1956;Starkey, 1955Starkey, , 1956Vand, 1948). The flow of blood, especially, has been investigated in earnest by physiologists and physicists alike; among them are: Bayliss (1952, 1959, 19621, Fahraeus and Lindqvist (19311, Haynes (1960, Isenberg (1953), Nygaard and coauthors (19351, Pirofsky (19531, Wells and Merrill (19611, Whitmore (19601, and Wittaker and Winton (1933).…”