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THE DIGESTIVE SYSTEM OF VERTEBRATES

REFERENCES: N


Nagy, K. A. 1987. Field metabolic rate and food requirement scaling in mammals and birds. Ecol. Monogr. 57: 111-128.

Nagy, K. A., and Peterson, C.C. 1988. Scaling of water flux in animals.Univ. Cal. Publ. Zool. 120: 1-172.

Nagy, K. A., and Montgomery, G. G. 1980. Field metabolic rate, water flux, and food consumption in the three-toed sloth (Bradypus variegatus), J. Mammal. 61: 465-472.

National Research Council. 1977. Nutrient requirements of Laboratory Animals. No. 9. 2nd ed. pp. 8, 9.

National Research Council. 1978. Nutrient requirements of Laboratory Animals. No. 10. 3rd ed. pp. 41, 62-65.

Nelson, J. S. 1984. Fishes of the World. 2nd ed. New York: John Wiley & Sons.

Niethammer, G. 1975. Pheasants and hoatzins. In Grzimek's Animal Life Encyclopedia. Vol. 8, Birds II, pp. 78-81.New York: Van Nostrand Reinhold.

Niethammer, G., Grzimek, B., Muller-Ussing, P.  Grouse. 1975. In: Grzimek's Animal Life Encyclopedia. Vol. 7, Birds I, pp. 451-472. New York: Van Nostrand Reinhold.

Norman, D. B., and Weishampel, D. B. 1985 Ornithopod feeding mechanisms: their bearing on the evolution of herbivory. Amer. Nat. 126: 151-164.

Novacek, M. J. 1992 Mammalian phylogeny: shaking the tree. Nature (Lond.) 356: 121-125.