PLATE XXXIX. 



Gallipteridium Sullivantii (Lx.) Weiss. 

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1. Portion of secondary ( ?) pinna with roljust lateral pinnie, tiie lower pinnules of wliich are 



constricted in Neuropteroid form at the base. U. S. Nat. Mus., 5660. 

 la. Detail showing one of the hasally constricted lower pinnules. x2. 



2. Ordinary aspect of a pinna of the species. U. S. Nat. Mns., 3589. 

 2a. Enlarged detail of an average pinnule, from the same. X2. 



3. Apex of secondary ( ?) ]iinna. U. S. Nat. Mus., 5674. 



CALLIPTEBIDIUM INyEQUALB Lx. 

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4. Fragment of pinna. U. S. Nat. Mus., 5603. 



388 



