FIGURE 6 in Systematics, natural history, and hemipenial morphology of Dendrophidion brunneum (Günther) (Serpentes: Colubridae), a poorly known snake from the Andes of Ecuador and Peru

FIGURE 6. Details of hemipenial morphology of Dendrophidion brunneum (FMNH 231777) after staining with alizarin red. A, sulcate side at the level of the circumferential flounces. Apex of the hemipenis is toward the top; the sulcus spermaticus is on the far left (ss). The spinules appear as parallel rods embedded within the two circumferential flounces. Arrows indicate the low ridge (transverse whitish line) delimiting the distal edge of shallow irregular calyces on the right side of the sulcus spermaticus. B, A portion of the flounces from apical perspective (the flounce in the background is the proximal complete flounce) showing the regular spacing of the spinules and their lack of projecting free tips. Arrows indicate the outer edge of the proximal flounce.