Plate XKXI. 



Fi^.49. 



Fig. 52. 



Ch. 



Fig. 50. . 



Y.S^ 



P $ 





li 



ej>. 



Fi^55. 



Fi^55.,. 



Ep. 



GJ>. 



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F.ff.//erric/{,(/e/. 



ALPHEUS 



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