Fig. 13 in Systematic Review of Endemic Sulawesi Squirrels (Rodentia, Sciuridae), with Descriptions of New Species of Associated Sucking Lice (Insecta, Anoplura), and Phylogenetic and Zoogeographic Assessments of Sciurid Lice

Fig. 13. Ventral views of the skulls portrayed in figure 12. Prosciurillus alstoni and P. topapuensis are on top, P. abstrusus and P. murinus on the bottom.