Figs. 172-182 Schaefferia variabilis Christiansen, drawn from holotype and cotypes USNM.

Fig. 172 apex Ant IV × 1000 from cotype USNM
Fig. 173 PAO and adjacent ocellus × 1000 from cotype USNM
Fig. 174 PAO, adjacent ocellus and setae × 1000 from holotype USNM
Fig. 175 SO Ant III × 1000 from cotype USNM
Fig. 176 head of maxilla × 1000 from cotype USNM
Fig. 177 mandible × 1000 from holotype USNM
Fig. 178 lateral view of mucro × 1000 from holotyp USNM
Fig. 178 lateral view of mucro × 1000 from holotype USNM
Fig. 180 mucrodens × 600 from cotype USNM
Fig. 181 hind foot × 600 from cotype USNM
Fig. 182 anal spine and papilla from side × 600 from holotype USNM