1. A. K. Srivastav:
Parasitological Laboratory, Department of Zoology, B. B. (P. G. ) College, Jhansi, UP, India
2. V . K. Sahu:
Department of Zoology, J. N. R. M, Port Blair, Andamans, India
3. R. Singh:
Parasitological Laboratory, Department of Zoology, B. B. (P. G. ) College, Jhansi, UP, India