PLATE VIII. 
THE DIRECTION OF DIFFERENTIATION, 
The direction of differentiation of the eight chitinogenous muscle plates or 
tendons of the limb. Figs. 31-36 are reconstructions from serial sections. 
Fic. 31. Regeneration, 2 days, 22 hours. x 60. 
lig. 32. Regeneration, 4 days, 6 hours. x 60. 
Fic. 33. Regeneration, 4 days, 22 hours. x 60. 
ic. 34. Regeneration, 5 days, 6 hours. » 60. 
Fic. 35. Regeneration, 5 days, 9 hours. » 60. 
Fic. 36. Regeneration, 10 days, 2 hours. 54. 
Fig. 37. Diagrammatic drawing of a fully developed chela showing the 
relative size and position of the eight limb muscles distal of the breaking joint 
(bk). 4-9. 
