U. S. GEOLOGICAI. SURVEY 



PROFESSIONAL PAPER 130 PLATE XXVI 



1, CflaxtTiniUs aUUus Knowltoii, n. sp.: p. US. 



2. Cetmtrinitcs ericn^is Knowlton, ii. sp.; p. 149. 

 3-6. Ceamthvs eriemis Knowlton, n. sp.; p. 152. 



lAHWIIIC Kl,()lt.\. 



7. N'elumtm tcnaifoUa (I,e,s(iuoreax) Knowlton; p. 141. 

 8-10. Ncgundo brUtoni Knowlton, n. sp.; p. Hu, 



