604 BULLETIN 53, UNITED STATES NATIONAL MUSEUM. 



1568CS4. Solen ( Plectosolen) protextus (Conrad)? Plesiotypes. 



Upper I{oceiie or Miocene. Coos Bay, Oregon. 



Dall, Trans. Wagner Free Inst. vSci. Phila., Ill, Pt. V, 1900, p. 953. 

 See Donax? protexta. 



449. Solen subplicatus Meek and Ha5'den. Holotype. 



P'ox Hills (Cret.). Moreau River, South Dakota. 



Meek and Hayden, Proc. Acad. Nat. vSci. Phila., VIII, 1S56, p. S2. 

 =Soleniya snbplicata. 



8922. Soleniscus brevis White. Cotypes. 

 8925. Upper Carboniferous. Coyote Creek, and near Taos, New 



Mexico. 



White, Rept. U. vS. Oeogr. Surv. W. looth Merid., Ill, Supiil., 

 1881, p. 2.S, pi. 4, figs. 5a-5c. 



8923. Soleniscus planus White. Cotypes. 



Upper Carboniferous. Coj-ote Creek, New Mexico. 



White, Rept. V. S. Geogr. vSurv. W. looth Merid., Ill, Suppl., 

 1881, p. 29, ])1. 4, figs. 4a-4c. 



9142. Soleniscus ? ( Macrocheilus ) ponderosus vSwallow? 



Plesiotypes. 

 Upper Carboniferous. \'ennilion Cotuity, Illinois. 



White, Proc. V. S. Nat. Mus., VI, 1S83, p. 187. ])1. 8, figs, i, 2; 

 Thirteenth Ann. Rept. Geol. Surv. Ind., 1884, p. 156, pi. 34, 

 figs. I, 2. 



9372. Soleniscus (Macrocheilus) ventricosus Hall. Plesiotypes. 

 1 22 10. Upper Carboniferous. Springfield and Danville, Illinois. 



White, Proc. U. vS. Nat. Miis., VI, 1883, ]>. 187, pi. 8, fig. 12; 

 Thirteenth Ann. Rept. Geol. vSurv. Ind., 1884, p. 155, pi. 34, 

 figs. II, 12. 



14380. Solenomya curta Walcott. Cotype. 



Lower Carboniferous. Eureka District, Nevada. 



W^alcott, Mon. VIII, U. vS. Geol. Surv., 1884, p. 242, pi. 22, figs. 

 6, II. 



47412. Solenomya varsoviensis Worthen. Pla.stotype. 



Keokuk (Miss.). Warsaw, Illinois. 



Worthen, Geol. ,Snrv. 111., \'1I1, 1890, p. 131, pi. 19, fig. 8. 



18337. Solenopleura bombifrons Matthew. Plesiotype. 



Lower Cambrian. Conception Bay, Newfotmdland. 



Walcott, Tenth .\nn. Rept. U. vS. G.eol. vSurv., 1890, p. 656, pi. 98, 

 fig-s. 5, 5a. 



18338. Solenopleura? harveyi Walcott. Cot3'pe. 



Lower Cambrian. Conception Bay, Newfoundland. 



Walcott, Proc. r. S. Nat. Mus., XII, 18S9, p. 45; Tenth Ann. 

 Rept. U. vS. Geol. Surv., 1890, ]). 656, pi. 97, figs. 7, 7a. 



