Bookstein, F. L., Straus, R. E., Humphries, J. M., Chernoff, B. C., Elder, R. L., and Smith, G. R., 1982, A comment upon the uses of Fourier methods in systematics: Sys. Zool., v. 31, p. 85–92.

Bookstein, F. L., Chernoff, B. C., Elder, R. L., Humphries, J. M., Smith, G. R., and Straus, R. E., 1985, Morphometrics in evolutionary biology: Special Publ. 15, Academy of Natural Sciences of Philadelphia, Philadelphia, 277 p.

Bow, S.-T., 1984, Pattern recognition: Marcel Dekker, New York, 323 p.

Evans, D. G., Schweitzer, P. N., and Hanna, M. S., 1985, Parametric cubic splines and geological shape descriptions: Math. Geol., v. 17, p. 611–624.

Ferson, S., Rohlf, F. J., and Koehn, R. K., 1985, Measuring shape variation of two-dimensional outlines: Syst. Zool., v. 34, p. 59–68.

Full, W. E. and Ehrlich, R., 1986, Fundamental problems associated with “eigenshape analysis” and similar “factor” analysis procedures: Math. Geol., v. 18, p. 451–463.

Golub, G. H. and Reinsch, C., 1970, Singular value decomposition and least squares solutions: Num. Math., v. 14, p. 403–420.

Gower, J. C., 1966, Some distance properties of latent root and vector methods used in multivariate analysis: Biometrika, v. 53, p. 325–338.

Kuhl, F. P. and Giardina, C. R., 1982, Elliptic Fourier features of a closed contour: Comp. Graph. Image Proc., v. 18, p. 236–258.

Lohmann, G. P., 1983, Eigenshape analysis of microfossils: A general morphometric procedure for describing changes in shape: Math. Geol., v. 15, p. 659–672.

Lohmann, G. P. and Malmgren, B. A., 1983, Equatorward migration of*Globorotalia truncatulinoides*: Paleobiology, v. 9, p. 414–421.

Moss, W. W. and Power, D. M., 1975, Semi-automatic data recording: Syst. Zool., v. 24, p. 199–208.

Mulaik, S. A., 1972, The foundations of factor analysis: McGraw-Hill, New York, 453 p.

Plowwright, R. C. and Stevens, W. P., 1973, A numerical taxonomic analysis of the evolutionary relationships of*Bombus* and*Psithyrus* (apidae: Hymenoptera): Canadian Entomol., v. 105, p. 733–743.

Rohlf, F. J. and Archie, J., 1984. A comparison of Fourier methods for the description of wing shape in mosquitoes (Diptera: Culicidae): Syst. Zool., v. 33, p. 302–317.

Schweitzer, P. N., Kaesler, R. L., and Lohmann, G. P., (1986, in press), Ontogeny and heterochrony in ostracode*Cavellina* Coryell: Paleobiology.

Siegel, A. F. and Benson, R. H., 1982, A robust comparison of biological shapes: Biometrics, v. 38, p. 341–350.

Strauss, R. E. and Bookstein, F. L., 1982, The truss: Body form reconstructions in morphometrics: Syst. Zool., v. 31, p. 113–135.

Tunnicliffe-Wilson, G., 1984, Time series,*in* E. Lloyd (Ed.), Handbook of applicable mathematics, vol. VI, part B: John Wiley & Sons, New York, p. 783–846.

Zahn, C. T. and Roskies, R. Z., 1972, Fourier descriptors for plane closed curves: IEEE Trans. Comput., v. C-21, p. 269–281.