8850 



220 



8870 



ScMink, W. Ueber die Defoiination 

 von liiombischen Netzen unci iilinliclie 

 Probleme. Habilitationsvortrag. . . . 

 Jahresber. D. MathVer., Leipzig, 12, 1903, 

 (309-318). 



Tannenberg, W. de. Sur la deforma- 

 tion des surfaces. Paris, C.-R. Acad, 

 sci., 136, 1903, (GOO-602). 



8860 



ORTHOGONAL AND 

 ISOTHERMIC SURFACES. 



Guichaxd, C. Siir une classe par- 

 ticuliere de svstemes trij^les ortliogo- 

 uaux. Paris, C!-R. Acad, sci., 136, 1903, 

 (490-492). 



Sur une transformation 



d'une classe particuliere de svstemes 

 triple-orthogonaux. Paris, C.-R. Acad, 

 sci., 136, 1903, (597-600). 



8870 IIYPERGEOMETRIC CON- 

 FIGURATIONS AND HIGHER 

 ELEMENTS OF HYPERSPACE. 



HeflFter, Lothar. Uber Curvenintegrale 

 im 7?i-dimensionalen Raum. New York, 

 N.Y., Trans. Amer. Math. Soc, 4, 1903, 

 (142-148). 



James, G. 0. Some differential equa- 

 tions connected with hypersurfaces 

 [Avith bibliography]. Dissertation . . . 

 Ph.D. . . . Johns Hopkins University 

 Bahimore, Md., 1903, (25). 31 cm. 

 Amer. J. Math., Baltimore, Md., 25, 

 1903, (249-260). 



Rothe, Rudolf. Ueber den Invarian- 

 tenbegriff in der Differentialgeometrie. 

 Berlin, SitzBer. math. Ges., 2, 1903, 

 (42-46). 



Van Vleck, Edward B. Determina- 

 tion of the mmiber of real and imaginary 

 roots of the hypergeometric series. New 

 York, N.Y., Trans. Amer. Math. Soc, 3, 

 1902,(110-131). Errata. Ibid, (501). 



ERRATA. 



FIRST ANNUAL ISSUE. 

 p. 191. Insert wider 8450 Hill^ert's paper No. 630 given on p. 72. 



SECOND ANNUAL ISSUE. 



p. 120, ?. 3 from hottom, for R2,, read Rgn-i 



p. 120, Z. 4 from hottom, for N2U read Nzn-i 



p. 131. Papers Kos. 3218 ajid 3219 are by W[iUem] A[braham] Versluys, 

 son of J[an] Yersluys. 



2?. 132. Paper Ko. 3236 is by H[endrik] de Yries and not by H[endrikus] 

 de Vries. 



p. 181, I. 5 of right liand column, for a n -}- 1 read a n -{- n. 



p. 243, I. 8 of right hand column, for Sz,, read S„ 



