PRORASTOMUS—PROSINOPA. 575 
Prorastomus Owen, 1855. Sirenia, Prorastomide. 
Quart. Journ. Geol. Soc. London, XI, No. 44, pp. 541-543, pl. xv, Nov. 1, 1855. 
Prorastoma BeppaRpD, Cambridge Nat. Hist., X, Mamm., 336, 337, 1902. 
Type: Prorastomus sirenoides Owen, from the Eocene of ‘‘ Freeman's Hall Estate, 
between the Parishes of St. Elizabeth and Trelawney," Jamaica. 
;xtinct. Based on a skull. 
Prorastomus: 7p@pa, prow, bow; 6róua, mouth. 
Prorhyzaena Ritimeyver, 1891. Creodonta, Proviverride. 
Abhandl. Schweiz. Paleeont. Gesellsch., XVIII, 105-106, Taf. vir fig. 8, 1891. 
Type: Prorhyzaena egerkingiae Rütimeyer, from the Eocene of Egerkingen, 
Switzerland. 
Extinct. Based on an upper jaw. 
Prorhyzaena: T0, before; + Rhyzaena. 
Proroziphius Leipy, 1876. Cete, Physeteridee. 
Proc. Acad. Nat. Sci. Phila., July 11, 1876, 86-87; Journ. Acad. Nat. Sci. Phila., 
2d ser., VIII, pt. 11, 227-230, pl. 32, figs. 1-4, 1877. 
Prozoziphius Ausvon, Zool. Record for 1877, XIV, Mamm., 15, 1879. 
Type: Proroziphius macrops Leidy, from the Tertiary phosphate’ beds of Ashley 
River, South Carolina. 
Extinct. Based on ‘a specimen of the snout.’ 
Proroziphius: tp@pe, prow, bow: + Ziphius—in allusion to the part on which 
the description was based. 
Proscalops MarrHEw, 1901. Insectivora, Talpid:e. 
Mem. Am. Mus. Nat. Hist., N. Y., I, pt. vir, 370, 375-376, figs. 1, 2, Nov., 1901. 
Type: Proscalops miocenus Matthew, from the Oligocene White River formation 
(Leptauchenia beds) of northeastern Colorado. 
Extinct. Based on a skull and jaws. 
Proscalops: z0, betore; +-Scalops. 
Proscapanus GAILLARD, 1899. Insectivora, Talpidee. 
Arch. Mus. Hist. Nat. Lyon, VII, 23, figs. 14-16 4, B, 1899. 
Type: Talpa sansaniensis Lartet, from the Miocene of Sansan, Gers, France. 
Extinct. 
Proscapanus: 700, before; + Scapanus. 
Proschismotherium AMEGHINO, 1902. Edentata, Megalonychidee. 
[Anal. Soc. Cien. Argentina, LI, 78, Mar.-Apr., 1901—nomen nudum. ] 
Bol. Acad. Nac. Cien. Córdoba, XVII, 130-131, May, 1902 (sep., pp. 62-63). 
Type: Proschismotherium oppositum Ameghino, from the Eocene of Patagonia. 
Extinct. 
Proschismotherium: 700, before; +-Schismotherium. 
Prosciurus (subgenus of Sciurus) Marrnew, 1903. Glires, Sciuride. 
Bull. Am. Mus. Nat. Hist., XIX, 213-215, fig. 9, May 9, 1903. 
Type: Sciurus ( Prosciurus) vetustus Matthew, from the White River Oligocene of 
Pipestone Springs, Jefferson County, Montana. 
Extinct: Based on an upper jaw with complete unworn dentition. 
Prosciurus: T6, before; + Sciurus. 
Prosimia Brisson, 1762. Primates, Lemuridze. 
Regnum Animale in Classes IX distrib., 2d ed., 13, 156-158, 1762; Scororr, Hist. 
Nat., 71, 1772; Srorr, Prodromus Methodi Mamm., 32, Tab. a, 1780. 
Species, 4: Prosimia fusca, P. pedibus albis, P. pedibus fulvis, and P. cauda annulis 
cincta, from Madagascar. 
Prosimia: T0, before; -- Simia. 
Prosinopa TnovzssanT, 1897. Primates, Notharctidee? 
Cat. Mamm., new ed., I, 68, 1897; OsBorn, Bull. Am. Mus. Nat. Hist., N. Y., 
X VI, 190, fig. 18, June 28, 1902. 
Type: Sinopa eximia Leidy, from the Bridger Eocene of Wyoming. 
