12 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 97 



POLIELLA ANTEROS Walcott 

 Plate 2, figs. 19, 20 



Bathyuriscus (Policlla) aiitcros Walcott, Smithsonian Misc. Coll., vol. 64, 

 no. 5, p. 349, pi. 46, fig. 5, 1916. 



Locality 55c. 



Holotypc. — U.S.N.M. no. 62622. 



GLOSSOPLEURA Poulsen, 1927 

 GLOSSOPLEURA BION (Walcott) 



Plate 5, figs. I, 2 



Doliclwinctopus bion Walcott, Smithsonian Misc. Coll., vol. 64, no. 5, p. 363, 



pi. 52, figs. 2-2C, 1916. 

 Glossoplcura bion Resser, Smithsonian Misc. Coll., vol. 93, no. 5, p. 32, 1935. 



Locality 55c. 



Cotypcs. — U.S.N.M. nos. 62709-12. 



GLOSSOPLEURA SIMILARIS, n. sp. 



Plate 5, figs. 9- 1 1 



This species is similar to G. producta. The eyes, however, are 

 shorter and the palpehral lohes smaller, and in the pygidium fusion is 

 less complete. The species is characterized by a rather narrow pygidial 

 border, a narrow doubliu'e, and segmentation in both axis and pleural 

 lobes. The palpebral lobes are strongly bowed. Fine irregular lines 

 cover the surface. 



Localities 55c and 54L. 



Holotypc. — U.S.N.M, no. 96525 ; paratypes, no. 96526. 



GLOSSOPLEURA UTAHENSIS Resser 



Plate 5, fig. 16 



Bathyuriscus productus Walcott (part), U. S. Geol. Surv. Pull. 30, p. 217, 



pi. 30, figs. I, lb, 1886. 

 Bathyuriscus anax Walcott (part), Smithsonian Misc. Coll., vol. 64, no. 5, 



P- 335, pl- 48, fig. lb, 1916. 

 Glossoplcura utahoisis Resser, Smithsonian Misc. Coll., vol. 93, no. 5, p. :i3, 1935. 



The pygidium, identified with Clovaspidella anax, is refigured. 

 Locality 556. (Holotype locality 30a, Big Cottonwood Canyon, 

 Wasatch Mountains.) 



Holotype and paratypes. — U.S.N.M. nos. 62641, 62639. 



