PLATE XIV. 



PsEUDODiADEMA rKXANTiM (Roeuiei) (page 47). 



Fig. la. Upper surface of the test. 

 lb. Lower surface of the same. 

 Ic. Lateral surface of the same. 

 Id. Interaml)ulacral arc'a, eiilargeu. 

 le. Amhulacral area, cnhirgf'd. 



1/. Three interamlnilacral plates, highly magnihed. 

 If/. Tubercle, much eularged. 

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