Ashbridge, J. and Goudie, I.B.J. (2000) Coverage-adjusted estimators for mark-recapture in heterogeneous populations. *Communications in Statistics-Simulation*, **29**, 1215–37.

Basharin, G.P. (1959) On a statistical estimate for the entropy of a sequence of independent random variables. *Theory of Probability and Its Applications*, **4**, 333–6.

Batten, L.A. (1976) Bird communities of some Killarney woodlands. *Proceedings of the Royal Irish Academy*, **76**, 285–313.

Bunge, J. and Fitzpatrick, M. (1993) Estimating the number of species: a review. *Journal of the American Statistical Association*, **88**, 364–73.

Bunge, J., Fitzpatrick, M., and Handley, J. (1995) Comparison of three estimators of the number of species. *Journal of Applied Statistics*, **22**, 45–59.

Chao, A. and Lee, S.-M. (1992) Estimating the number of classes via sample coverage. *Journal of the American Statistical Association*, **87**, 210–17.

Chao, A., Hwang, W.-H., Chen, Y.-C., and Kuo, C.-Y. (2000) Estimating the number of shared species in two communities. *Statistica Sinica*, **10**, 227–46.

Chao, A., Ma, M.-C., and Yang, M.C.K. (1993) Stopping rules and estimation for recapture debugging with unequal failure rates. *Biometrika*, **80**, 193–201.

Colwell, R.K. and Coddington, J.A. (1994) Estimating terrestrial biodiversity through extrapolation. *Philosophical Transactions of the Royal Society, London B*, **345**, 101–18.

Efron, B. and Tibshirani, R.J. (1993) *An Introduction to the Bootstrap*, Chapman and Hall, New York.

Engen, S. (1978) *Stochastic Abundance Models*, Halsted Press, New York.

Esty, W. (1986) The efficiency of Good's nonparametric coverage estimator. *The Annals of Statistics*, **14**, 1257–60.

Good, I.J. (1953) The population frequencies of species and the estimation of population parameters. *Biometrika*, **40**, 237–64.

Haas, P. and Stokes, L. (1998) Estimating the number of classes in a finite population. *Journal of the American Statistical Association*, **93**, 1475–87.

Holst, L. (1981) Some asymptotic results for incomplete multinomial or Poisson samples. *Scandinavian Journal of Statistics*, **8**, 243–6.

Horvitz, D.G. and Thompson, D.J. (1952) A generalization of sampling without replacement from a finite universe. *Journal of the American Statistical Association*, **47**, 663–85.

Hutcheson, K. and Shenton, L.R. (1974) Some moments of an estimate of Shannon's measure of information. *Communications in Statistics*, **3**, 89–94.

Janzen, D.H. (1973a) Sweep samples of tropical foliage insects: description of study sites, with data on species abundances and size distributions. *Ecology*, **54**, 659–86.

Janzen, D.H. (1973b) Sweep samples of tropical foliage insects: effects of seasons, vegetation types, elevation, time of day, and insularity. *Ecology*, **54**, 687–708.

MacArthur, R.H. (1957) On the relative abundances of bird species. *Proceedings of National Academy of Science*, U.S.A., **43**, 193–295.

Magurran, A.E. (1988) *Ecological Diversity and Its Measurement*, Princeton, Princeton University Press, New Jersey.

Mandelbrot, B. (1977) *Fractals, Form, Chance and Dimension*, Freeman, San Francisco.

Norris III, J.L. and Pollock, K.H. (1998) Non-parametric MLE for Poisson species abundance models allowing for heterogeneity between species. *Environmental and Ecological Statistics*, **5**, 391–402.

Peet, R.K. (1974) The measurement of species diversity. *Annual Review of Ecology and Systematics*, **5**, 285–307.

Pielou, E.C. (1975) *Ecological Diversity*, Wiley, New York.

Smith, W. and Grassle, J.F. (1977) Sampling properties of a family of diversity measures. *Biometrics*, **33**, 283–92.

Solow, A.R. (1993) A simple test for change in community structure. *Journal of Animal Ecology*, **62**, 191–3.

Thompson, S.K. (1992) *Sampling*, Wiley, New York.

Zahl, S. (1977) Jackknifing an index of diversity. *Ecology*, **58**, 907–13.

Zipf, G.K. (1965) *Human Behavior and Principle of Least Effort*, Addison-Wesley, New York.