1. Barker, D.M., Ownby, C.L., Claypool, L.P. and Sauer, J.R., 1984. The effects of attachment, feeding, and mating on the morphology of the type I alveolus of salivary glands of the lone star tick,Amblyomma americanum (L.). J. Parasitol., 70: 99?113.
2. Binnington, K.C., 1978. Sequential changes in salivary gland structure during attachment and feeding of cattle tick,Boophilus microplus. Int. J. Parasitol., 8: 97?115.
3. Coons, L.B. and Fitzgerald, M.E.C., 1982. Ultrastructural changes in cells of the two granular alveoli of the salivary glands ofDermacentor variabilis (Say) (Acarina: Ixodidae) during feeding. Am. Zool., 22: 898.
4. Coons, L.B. and Lamoreaux, W.J., 1986. Developmental changes in the salivary glands of male and femaleDermacentor variabilis (Say) during feeding. In: D. Borovsky and A. Spielman (Editors), Host Regulated Developmental Mechanisms in Vector Arthropods. Proc. Vero Beach Symposium, Vero Beach, FL, U.S.A., 3?6 February 1986, University of Florida-Inst. of Food and Agricultural Sciences, 217 pp.
5. Coons, L.B. and Roshdy, M.A., 1973. Fine structure of the salivary glands of unfed maleDermacentor variabilis (Say) (Ixodoidea: Ixodidae). J. Parasitol., 59: 900?912.