FIGURE 4 in New species of salamander (Caudata: Plethodontidae: Cryptotriton) from Quebrada Cataguana, Francisco Morazán, Honduras, with comments on the taxonomic status of Cryptotriton wakei

FIGURE 4. Illustration of select elements of the anterior portion of the skull of the holotype of Cryptotriton necopinus from an X-ray, following Lynch and Wake (1978). Heavy lines, nasal bone; fine lines, internasal fontanelle; stipple, cartilaginous nasal capsule; blackened area, opening in nasal capsule for external naris. Arrow indicates foramen where prefrontal bone is pierced by nasolacrimal duct. Maxilla and premaxilla drawn with dotted lines where they pass beneath the nasal capsule. Nasal bone on left side of skull and anterior edge of frontal bones not illustrated due to indistinctness on X-ray.