this is a picture review of a case of orbital rhabdomyosarcoma. the course of patients diagnosis, treatment and outcome is briefly presented.

In this paper a new class of sets called  regular generalized  $delta$-closed set (briefly rg$delta$-closed set)is introduced and its properties are studied. Several examples are provided to illustrate the behaviour of these new class of sets.

the species dibrachys lignicola graham is newly recorded from rayen region of kerman province, iran. the diagnostic characters and geographical distribution of the species are briefly discussed.