304 SYNOPSIS OF AMERICAN FOSSIL BRACHIOPODA. [bull.87. 



routainerus cliicagoeusis Wiiicliell and Marcy=Cl<)riiida ventricosa. 

 Peiitamerus colletti Miller=Conchidiiiiii colletti. 

 Pentamerus comis Meek and Wortheii=Gypidala comis. 

 Peiitamerus complauatus Nettelroth = Conchidium tenuicostatnin. 

 Pciitaiiierus ('oiicliidinm=Ooncliidiuiii bilocnlare. 

 Peiitamerus cojipiiigeri Etlieridge=(iypidula coppiiigeri. 

 Peiitamerus crassoradius M('Cliesuey=Concliidium crassiradiatum. 

 Pentamerus decussatus Wliiteaves=Coucliidium decussatum. 

 Peiitamerus desliayessii Castelnau=Reusseheria ovoides. 

 Pentamerus elongatus Vanuxem=Amphigeiiia eloiigata. 

 Pentamerus fornicatus Hall = Clorinda fornicata. 

 Pentamerus galeatiformis Meek and Wortlien=Gypidula comis. 

 Pentamerus galcatus Hall=Gyj)idula galeata. 

 Pentamerus galeatus Hall and Whitfield =Gypidula nucleus. 

 Pentamerus galeatus Roemer=Gypidula ra'meri. 

 Pentamerus globulosus Nettelroth=Gyi)idula globulosa. 

 Pentamerus hemiplicatus Billings = Parastropbia bemiplicata. 

 Pentamerus interplicatus Hall=Anastropbia interplicata. 

 Pentamerus intralineatus Wiucliell = Pentamerella intralineata. 

 Pentamerus knappi Hall and Whitfield = Conchidiuni knappi, 

 Pentamerus knighti Sowerby=Conchidium knighti. 

 Pentamerus kuotti !N'ettelroth=Gypidu]a knotti. 

 Pentamerus laqueatus Conrad = Conchidium laqueatum. 

 Pentamerus lenticularis White and Whitfield = Camarophorella lenticu- 



laris. 

 Pentamerus littoni Hall=Conchidium littoni. 

 Pentamerus lotis Walcott=Gypidula lotis. 

 Pentamerus multicostatus=Conchidium multicostatum. 

 Pentamerus nobilis Emmons=Coiichidium laqueatum. 

 Pentamerus nucleus Hall and Whitfield =Gypidula nucleus. 

 Pentamerus iiysius var. crassicosta Hall = Conchidium nysius. 

 Pentamerus nysius var. tenuicostatus Nettelroth= Couch idium nysius. 

 Pentamerus nysius var. tenuicosta Hall=Conchidium tenuicosta. 



Pentamerus oblongus Sowerby. Clinton and Niagara (Sil.). 



Pentamerus oblongus Sowerby, Murchison's Silurian System, 1839, p. 641, pi. 

 19, fig. 10.— Hall, Geol. N. Y. ; Rep. Fourth Dist., 1843, p. 70, figs. 1-5.— 

 Owen, Geol. Expl. Iowa, Wisconsin and Illinois, 1844, pi. 14, fig. 10. — Hall, 

 American Jour. Sci., 2d ser., XX, 1849, p. 227;— Pal. New York, II, 1852, p. 

 79, pi. 25, fig. 1; pi. 20, fig. 1.— Billings, Canadian Nat. Geol., I, 1856, p. 58, 

 pi. 1, figs. 2, 3;— Geol. Canada, 1863, p. 316, fig. 326.— Hall and Whitfield, 

 Twenty-fourth Rep. N. Y. State Cab. Nat. Hist., 1872, p. 183;— Geol. Survey 

 Ohio, Pal., II, 1875, p. 137, pi. 7, fig. 9.— Whitfield, Geol. Wisconsin, IV, 1882, 

 p. 288, pi. 17, figs. 4-9.— Nettel roth, Kentucky Fossil Shells, Mem. Kentucky 

 Geol. Survey, 1889, p. 60, pi. 33, figs. 15-17.— Hall and Clarke, Pal. New York, 

 VIII, Pt. II, 1895, p. 237, figs. 169-171; pi. 67, fig. 20; pi. 68, figs. 1-5; pi. 69, 

 figs. 1, 4-7, 13, 14; pi. 70, figs. 1-4. 



Pentamerus beauraonti Castelnau, Essai Syst. Sil. I'Amdrique Septentrionale, 

 1843, p. 38, pi. 13, fig. 9. 



