Fig. 38 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. 38. Specimen scores representing population samples of Hyosciurus heinrichi (filled circle, Gunung Kanino and Gunung Nokilalaki; N 5 35) and H. ileile (filled triangle, Sungai Sadaunta, Gunung Kanino, and Sungai Tolewonu; N 5 11) projected onto the first and second principal components extracted from principal-components analysis. Each ellipse outlines 95% confidence limits for specimen scores of each cluster. Equations for the regression lines are: H. ileile, Y 5 20.121X+0.095 (F 5 3.20, P 5,0.10); H. heinrichi, Y 5 20.213X20.033 (F 5 18.96, P 5,0.001). The regression lines of the second principal component on the first are unambiguously distinct: their Y-intercepts are significantly different (+0.095 versus 20.033; F 5 15.38, P 5,0.001), but not their slopes (20.121 versus 20.213; F 5 1.16, P 5 0.288). The distribution of scores along the first axis is strongly influenced by length of tail, and the single point for H. ileile and the two for H. heinrichi situated far to the left of the main clouds of scores represent specimens with the shortest tails in the samples; the tails are naturally short, not damaged in traps or mangled by a predator and subsequently healed. Data were derived only from specimens captured and measured by Musser. See table 46 for correlations and percent variance.