FIGURE 3 in A new species of Chironius Fitzinger, 1826 (Squamata: Colubridae) from the Pantepui region, northeastern South America

FIGURE 3. Enlarged lateral views of heads of Chironius challenger sp. nov. compared to C. fuscus showing difference in loreal proportions (in red), and supralabials pattern (indicated by black arrow). A: C. challenger sp. nov. holotype from Maringma Tepui, Guyana (IRSNB 2659). B: C. challenger sp. nov. from Mount Wokomung, Guyana (juvenile, ROM 42603). C: C. challenger sp. nov. from Auyantepui, Venezuela (MHNLS 16088). D: C. challenger sp. nov. from Auyantepui, Venezuela (BMNH 1976.235). E: C. fuscus holotype, exact locality unknown (NRM 34, photo by Bodil Kajrup, Swedish Museum of Natural History). F: C. fuscus from Kaieteur National Park, Guyana (juvenile, IRSNB 18005). G: C. fuscus from Mount Wokomung (ROM 42602). H: C. fuscus from Rio Uey, Venezuela (MHNLS 18627).