A New Souslik from Macedonia Variation in the baculum of the European souslik, Spermophilus citellus Current distribution of the European souslik (Spermophilus citellus) in the Czech Republic The spectral sensitivity of the pure-cone retina of the souslik (Citellus citellus) The primary structure of the hemoglobin of the European Souslik (Citellus citellus, Rodentia). Exposure to humans and activity pattern of European souslik (Spermophilus citellus) in zoo conditions. Distribution and Current Status of the European Souslik (Spermophilus Citellus L.) in Sofia Valley and the Adjacent Areas The record of the reproductive cycle in the incisor dentine of spotted souslik Spermophilus suslicus Intersexual and interpopulation variability in the pelvis (os coxae) of the European souslik, Spermophilus citellus Histo-anatomical studies on the accessory reproductive glands of the Anatolian souslik (Spermophilus xanthoprymnus) (Mammalia: Sciur...