Poulin, R. 1994. The evolution of parasite manipulation of host behavior: A theoretical analysis. Parasitology 109:S109–S118.
_____. 1995. Phylogeny, ecology, and the richness of parasite communities in vertebrates. Ecological Monographs 65(3):283–302.
_____. 1998. Evolutionary ecology of parasites: From individuals to communities. London: Chapman & Hall.
Press, M. C., and J. D. Graves, eds. 1995. Parasitic plants. London: Chapman & Hall.
Raibaut, A., and J. P. Trilles. 1993. The sexuality of parasitic crustaceans. Advances in Parasitology 32:367–444.
Rau, M. E. 1983. The open-field behavior of mice infected with Trichinella spiralis. Parasitology 86:311–318.
_____, and F. R. Caron. 1979. Parasite-induced susceptibility of moose to hunting. Canadian Journal of Zoology 57:2466–2468.
Read, A. F., and A. Skorping. 1995. The evolution of tissue migration by parasitic nematode larvae. Parasitology 111:359–371.
Ribeiro, J. M. C. 1995. Blood-feeding arthropods: Live syringes or invertebrate pharmacologists? Infectious Agents and Disease 4:143–152.
Ridley, M. 1993. The Red Queen: Sex and the evolution of human nature. New York: Penguin.
Robb, T., and M. L. Reid. 1996. Parasite-induced changes in the behavior of cestode-infected beetles: Adaptation or simple pathology? Canadian Journal of Zoology 1268–1274.
Roberts, L. S., and J. Janovy. 2000. Gerald D. Schmidt and Larry Roberts' Foundation of Parasitology. 6th ed. Dubuque, IA: McGraw-Hill.
Robertson, H. M. 1997. Multiple mariner transposons in flatworms and hydras are related to those of insects. Journal of Heredity 88:195–201.
Robinson, J. 1962. Pilobolus spp. and the translation of the infective larvae of Dictyocaulus viviparus from feces to pastures. Nature 193:353–354.
Rohde, K. 1994. Niche restriction in parasites: Proximate and ultimate causes. Parasitology 109:S69–S84.
Roos, D. S., M. J. Crawford, R. G. K. Donald, J. C. Kissinger, L. J. Klimczak, and B. Striepen. 1999. Origin, targeting, and function of the apicomplexan plastid. Current Opinion in Microbiology 2:426–432.
Ross, R., and D. Thomson. 1910. A case of sleeping sickness studied by precise enumerative methods: Further observations. Proceedings of the Royal Society for Tropical Medicine 82:395–409.
Roth, D. B., and N. L. Craig. 1998. VDJ recombination: A transposase goes to work. Cell 94:411–414.
Roy, B. A. 1993. Floral mimicry by a plant pathogen. Nature 362:56–58.
Russell, P. F. 1955. Man's mastery of malaria. Oxford: Oxford University Press.
Schantz, T. von, H. Wittzell, G. Goransson, M. Grahn, and K. Persson. 1996. MHC genotype and male ornamentation: Genetic evidence for the Hamilton-Zuk model. Proceedings of the Royal Society of London B 263:265–271.
Schofield, A. E., D. M. Reardon, and M. J. A. Tanner. 1992. Defective anion transport activity of the abnormal band 3 in hereditary ovalocytic red blood cells. Nature 355:836–838.
Schrag, S. J., A. Mooers, G. T. Ndifon, and A. F. Read. 1994a. Ecological correlates of male outcrossing ability in a simultaneous hermaphrodite snail. American Naturalist 143:636–655.
_____, G. T. Ndifon, and A. F. Read. 1994b. Temperature-determined outcrossing ability in wild populations of a simultaneous her-maphrodite snail. Ecology 75:2066–2077.
Senok, A. C., K. Li, E. A. S. Nelson, L. M. Yu, L. P. Tian, and S. J. Oppenheimer. 1997. Invasion and growth of Plasmodium falciparum is inhibited in fractionated thalassaemic erythrocytes. Transactions of the Royal Society of Tropical Medicine and Hygiene 91:138–143.
Sher, A. 1995. Regulation of cell-mediated immunity by parasites: The ups and downs of an important host adaptation. In Molecular Approaches to Parasitology, edited by J. C. Boothroyd and R. Komuniecki. New York: Wiley-Liss.
Sheratt, D. J., ed. 1995. Mobile genetic elements. New York: IRL Press.
Shi, Y. P., S. E. Hasnain, J. B. Sacci, B. P. Holloway, J. Fujioka, N. Kumar, R. Wohlheuter, S. L. Hoffman, W. E. Collins, and A. A. Lal. 1999. Immunogenicity and in vitro protective efficacy of a recombinant multistage Plasmodium falciparum candidate vaccine. Proceedings of the National Academy of Sciences 96:15–20.
Shorthouse, J. D., and O. Rohfritsch, eds. 1992. Biology of Insect-Induced Galls. Oxford: Oxford University Press.
Simberloff, D., and P. Stiling. 1996. How risky is biological control? Ecology 77 (7):1965–1974.
Sinden, R. E. 1985. A cell biologist's view of host cell recognition and invasion by malarial parasites. Transactions of the Royal Society of Tropical Medicine and Hygiene 79:598–605.
Sorci, G., and J. Clobert. 1995. Effects of maternal parasite load on offspring life-history traits in the common lizard (Lacerta vivipara). Journal of Evolutionary Biology 8:711–723.
Spithill, T. W., and J. P. Dalton. 1998. Progress in development of liver fluke vaccine. Parasitology Today 14 (6):224–228.
Steenstrup, J. 1845. On the alternation of generations; or The propagation and development of animals through alternate generations: A peculiar form of fostering the young in the lower classes of animals. London: The Ray Society.
Stevens, J. R., and W. Gibson. 1999. The molecular evolution of trypanosomes. Parasitology Today 15:432–436.
Stewart, G. R., and M. C. Press. 1990. The physiology and biochemistry of parasitic angiosperms. Annual Review of Plant Physiology and Plant Molecular Biology 41:127–151.
Strand, M. R., and M. Grbic. 1997. The life history and development of polyembryonic parasitoids. In Parasites and Pathogens: Effects on Host Hormones and Behavior, edited by N. E. Beckage. New York: Chapman & Hall.
Stunkard, H. W. 1955. Freedom, bondage, and the welfare state. Science 121:811–816.
Su, X., L. A. Kirkman, H. Fujioka, and T. E. Wellems. 1997. Complex polymorphisms in an ˜330 kDa protein are linked to chlorquine-resistant P. falciparum in Southeast Asia and Africa. Cell 91:593–603.
Sukhdeo, M. V. K. 1997. Earth's third environment: The worm's eye view. BioScience 47 (3):141–52.
Sukhdeo, S. C., M. V. K. Sukhdeo, M. B. Black, and R. C. Vrijenhoek. 1997. The evolution of tissue migration in parasitic nematodes (Nematoda: Strongylida) inferred from a protein-coding mitochondrial gene. Biological Journal of the Linnean Society 61:281–298.
