402 BULLETIN 53, UNITED STATES NATIONAL MUSEUM. 



43540. Mesotrypa quebecensis ( Ami). Plesiotype and figured 



sections. 

 Trenton (Ord.). Little Falls, New York. 



Ulrich, Geol. and Nat. Hist. vSurv. Minn., Final Rept., Ill, Pt. I, 

 1893, p. 248, fig. 15. e, f, p. 259. 



43545. Mesotrypa (?) rotunda Ulrich. Holotype and figured 



sections. 

 Trenton (Ord.). Hader, Minnesota. 



Ulrich, Geol. and Nat. Hist. vSurv. Minn., Final Rept., Ill, Pt. i, 

 1893, p. 262, fig. 17. 



43546. Mesotrypa (? ) spinosa Ulrich. Cotypes and figured sections. 



Black River (Ord.). Minneapolis, Minnesota. 



Ilrich, Geol. and Nat. Hist. vSiirv. Minnesota, Final Rept., Ill, 

 Pt, I, 1893, p. 259, pi. 17, figs. 9-12. 



43541. Mesotrypa whiteavesi (Nicholson). Plesiotype and figured 



sections. 

 Trenton (Ord.). Ottawa, Canada. 



Ulrich, Geol. and Nat. Hist. Surv. Minn., Final Rept., Ill, Pt. I, 

 1893, p. 248, figs, g, h. 



29407. Metengonoceras ambiguum Hyatt. Holotype. 



Comanche (Lower Cret.). On Beecaves road, nine miles 

 from Austin, Texas. 



Hyatt, Mon. XLIV, U. vS. Geol. Surv., 1903, pp. 183, 184, pi. 26, 

 figs. 5-7. 



29403. Metengonoceras dumbli (Cragin). Cotype. 



Colorado (Cret.). Four miles east of Whitesboro, Texas. 



Hyatt, Mon. XLIV, U. S. Geol. Surv., 1903, pp. 185-187, pi. 27, 

 figs. 3-14- 



29404. Metengonoceras inscriptum Hyatt. Cotypes. 



29405. Fredericksburg (Lower Cret. ) . Twelve miles northwest of 



Decatur; Beecaves road, nine miles from Austin, Texas. 



Hyatt, Mon. XLIV, U. S. Geol. Surv., 1903, pp. 180-182, pi. 25, 

 figs- 7, 9; pl- 26, figs. 1-4. 



19105. Metengonoceras inscriptum var? H5att. Cotype. 



29406. Fredericksburg ( Lower Cret. ). Fifteen miles west of Den- 



i.son, and Cow Creek, Travis County, Texas. 



Hyatt, Mon. XLIV, U. S. Geol. Surv., 1903, ])p. 180-182, pi. 25, 

 fig. 8. 



1 14629. Metis chipolana Dall. Holotype. 



Oligocene. Alum Bluff, CaHKHui County, Florida. 



Dall, Trans. Wagner Free Inst. Sci. Phila., Ill, Pt. V, ujou, ]>. 

 1042, pi. 47, fig. 21. 



115061. Metis magnoliana Dall. Holotj^pe. 



Upper Miocene. Magnolia, Duplin County, North Carolina. 



Dall, Trans. Wagner Free In.st. Sci. Phila., Ill, Pt. V, 19CX), p. 

 1042, pi. 49, fig. 6. 



