Comprising more than 6500 species, Opiliones is the third most diverse order of Arachnida, after the megadiverse Acari and Araneae. The database referred here is part 1 of 12 of a project containing an intended worldwide checklist of species and subspecies of Opiliones as Darwin Core archives, and it includes the superfamilies Travunioidea and Triaenonychoidea. These two superfamilies are often...

THE "Syndrome de Balado" (Balado and Satanowsky, 1929), later known as chiasmal arachnoiditis (Ch.A.) has been reported by many authors (Cushing, 1930a, b; Heuer and Vail, 1931; Craig and Lille, 1931; Vincent, Puech, and David, 1931; David, Hartmann, and Hebert, 1936; Bollack, David, and Puech, 1937a; Hausman, 1937; Vail, 1938). Its aetiology and pathogenesis have, however, remained controversi...

Perrin, Chem. Rev., 7,231 (1930). 10 F. Perrin, Compt. rend., 177, 469 (1923). I1 Mellor, Treatise on Inorganic and Theoretical Chemistry, Longmans, Green and Co., Vol. 5, p. 311 (1924), gives a summary of the conflicting data. 12 Krishnamurti, Ind. J. Phys., 5, 122 (1930). 13 Nisi, Jap. J. Phys., 7, 30 (1931). 14 W. L. Bragg, Proc. Roy. Soc., 106, 346 (1928). 15 Wyckoff, The Structure of Cryst...

* It has, however, been shown by Du Buy that the curvatures obtained are reduced when higher concentrations of agar are employed. Our value of K/v applies to 1.5% agar. Boner, J. F., Biol. Zentr., 52, 565 (1932). Boysen-Jensen, P., Biochem. Zeit., 236, 205 (1931). Boysen-Jensen, P., Biochem. Zeit., 250, 270 (1932). Du Buy, H., Proc. Kon. Akad. Wetensch. Amsterdam, 34, 1 (1931). Dolk, H. E., Dis...

Robert P. Perry On July 15, Robert Palese Perry—‘‘Bob’’ to those who knew him—passed away at the age of 82. Bob was a pioneer in studying gene transcription in mammalian cells, a wonderful mentor to his preand postdoctoral students, and a compassionate family man. He leaves behind his wife Zoila, a well-known sculptor with whom he enjoyed a happy marriage for 57 years, his two daughters Adele a...

B asil Gordon, who made major research contributions to number theory, combinatorics, and algebra and who enhanced our understanding of Ramanujan’s remarkable identities, passed away on January 12, 2012, at the age of eighty. Gordon, who was a professor of mathematics at UCLA, was an outstanding teacher at all levels. His legacy will continue, owing to the impact of his fundamental work and to ...

DOI: http://dx.doi.org/10.1090/noti1247 received both the Steele Prize for Seminal Contributions to Research (from the AMS, 1998) and the Deborah and Franklin Tepper Haimo Award for Distinguished Teaching (from the MAA, 1996). During his long tenure at Penn he advised twenty-six PhD students and won additional awards, including the Christian and Mary Lindback Award for excellence in undergradua...