Reproductive Biology of Bothrops erythromelas from the Brazilian Caatinga

Figure 4

Female reproductive cycle: seasonal variation in diameter of the largest ovarian follicle and occurrence of embryos in mature females of Bothrops erythromelas. Solid circles = primary vitellogenic follicles; open circles = secondary vitellogenic follicles; triangles = embryos in the oviducts. Arrows indicate the parturition period reported in [5, 15, 29].