521 
1 and 2 Ventral and dorsal views of C. chili, based on a total preparation in 
xylol balsam, after corrosive fixation and borax carmine staining. The spines have 
been omitted and the coils of the uterus simplified for clearness. X 18 diameter. 
3 Longitudinal section in the sagittal plane, drawn by combining parts from 
three different sections of the same series, into a single view. 
