266 



29. M. oblongata, Bonelli, ined., Sism. Mem. Acad. Torin, 



V, 450, 1843. 

 M. avena (not Val.), Michelotti, Foss. Terr. Mioc. de Vital. 

 Sept. p. 323, 1847. U-pper Miocene : Piedmont. 



M. OLiv.EFORMis (Tuomev and Holmes), is 31. antiqua, 



Redf. 

 M. OVATA, I, Lea, is M. larvata, Conrad. 



30. M. ovata, Emmons, Rep. Geol. Surv. N. C. p. 261, f. 136, 



1858. 

 Porcellana [G-lahella) ovata., Conrad, Cat. Proc. Ac. Nat. Sc. 

 Phil. 1862, p. 564, 1862. Miocene; N. Carolina. 



31. M. Oviformis, Conrad, Foss. Med. Tert. U. S. (not de- 



scribed, but figured), pi. 40, f. 9,* 1838. 

 Volutella (Microsjjira) oviformis, Conrad, Am. Journ. Conch, 

 iv, 66, pi. 5, f. 3, 1868. Miocene ; Virgiiiia. 



32. M. ovulata, Lam. 



Encyc. Meth. Vers. pi. 376, f. a, b, 1798. Lam., Ann. du 

 Mus. ii, 61, 1803. Lam., Ann. du Mus. vi, pi. 44, f. 10, 

 1805. Roissy, Buffon Moll, vi, 10, No. 6, 1805. Lam., 

 Anim. sans Vert. 1st ed. vii, 359, 1822. Defrance, Diet. 

 des Sci. Nat. xxix, 145, 1823. Desh., Coq. Foss. de 

 Paris, ii, 709, pi. 95, f. 12, 13, 1824. Desh., Encyc. 

 Meth. Vers, ii, 416, 1830. Desh. ed. Lam. Anim. sans 

 Vert. X, 442, 1844. Bronn, Lethsea Geogn. 3d ed. iii, 

 570, pi. 42, f. 44, 1852. Edwards, Eocene Moll. Gr. 

 Brit. p. 141, f. 5 a — c, 1852. Eoceyie ; England., France. 



M. OVULATA, Grat. (not Lam.), is 31. subovulata, Orb. 



M. OVULATA, Beyrich (not Lam.), is M. j^erovalis, Koenen. 



33. M. perexigua, Conrad, Journ. Acad. Nat. Sci. Phil, viii, 



189, 1842. 3Iiocene ; 3Iaryland. 



34. M. perovalis, Koenen. 



31. ovulata, Beyrich (not Lam.), Conch. Nord Deutsch, Tert. 



p. 49, pi. 2, f. 10 a, b, 1853. 

 31. perovalis, Koenen, Zeitsch. Deutsch. Geol. Gesell. p. 506, 



1865. Lower Oligocene ; Prussia. 



35- M. phaseolus, Brongn., Foss. Terr. Tert. Vicentin, p. 64, 

 pi. 2, f. 21, 1823. 

 Bronn., It. Tert. Gebilde, p. 18, No. 54, 1831. 



Middle Eocene ; France and Italy. 



* This figure is by an error of the text referred to M. Umatula. 



