Plate VIII. 



Page 



Fig. i. Esperiopsis villosa Cart, a styli, b two developmental forms, x 165, c— g isochelte palmatse, 

 c the large chela, side view, half front view, and front view, the latter a little contort, 

 d older and younger developmental form, x 585, e the middle chela, front view and 

 side view, f developmental form, side view, and younger and older developmental form, 

 front view, x 585, g the small chela, front view and side view, x 700, // sigmata of 

 different sizes, i three developmental forms, x 380 9 



— 2. Esperiopsis Normani Bow. a styli of different sizes, b three developmental forms, x 165, 



the two styli to the right and the developmental form to the right are from a specimen 

 with smaller styli, c isochela palmata, front view and side view, d developmental form, 

 X 1000 13 



— 3. Esperiopsis sp. (?Alderi Bow.) a styli, x 165, b isochela palmata, side view and front 



view, c a developmental form, x 1000, the figured chela; show the pecnliaritv of the 

 bending in of the axis in a marked degree 15 



4. Esperiopsis pedicel/a ia n. sp. a styli of different sizes, 6 three developmental forms x 165, 



e isochela palmata, front view and side view, x 1000 16 



— 5. Esperiopsis forcipitla n. sp. a styli, b two developmental forms, x 165, c the points of dif- 



ferent styli, x 380, d isochela arcnata, side view and front view, e an older develop- 

 mental form, x 585, f the small isochela palmata, front view and side view, one with 

 curved, the other with straight middle part of the shaft, x 1000, g sigmata of different 

 sizes, h two developmental forms, x 585, i forcipes, x 1400 17 



