Drawings depicting the dense portions of the CTb injections in each case. Except for case STM46 (owl monkey), injections were also made at more anterior levels, yet coverage of each of the main targets (VMpo, VPI, and MDvc) can be appreciated from the single frontal level shown. Abbreviations for Figures 1 and 2:CeM, central medial n.; Csl, central superior lateral n.; CM, center median;H, habenula; LG, lateral geniculate n.;LP, lateral posterior n.; MD, medial dorsal n.; MG, medial geniculate n.; mc, magnocellular part of the medial geniculate n.; PC, posterior commissure; Pf, parafascicular n.;Pla, anterior pulvinar n.; R, reticular n.; SG, suprageniculate n.; SN substantia nigra; VPM, ventral posterior medial n.;VMb, basal part of the ventral medial n.;VMpo, posterior part of the ventral medial n.;VPI, ventral posterior inferior n.; VPL, ventral posterior lateral n.