1 08 BULLETIN NO. SQ, UNITKD STATES NATIONAL MUSEUM. 



106. 



Mrek, F. B. PaUfontology. <^Iiei). Geol. Kspl. 40tli Parallel, vol. iv, part i, pp. 

 1-197, pis. i-xvii. Washington, 1877. 



Siluiian, Devonian, Caiboniferou.-f, Triassic, Jurassic, Cretaceous, Tertiary. Genera .Buto- 

 inoceras (Hyatt), Eudiscuceras (H^att), Polyrhytis, Rhytophorus, Pyrgulifera. 



DESCRIPTIONS OF FOSSILS. 



SILURIAN SPECIES. Page. 



MoUusca. 

 Gasteropoda. 

 Solariida;. 



'! Oyhileta, Vaiiuxeiu 17 



O. complanata var. 7iana, Meek, 1870, pi. i, figa. 1, 1 a, 1 6 17-18 



Raphistoma, Hall 18 



B.^ rotuli/ormis, Meek, 1870, pi. i, figs. 2, 2 a,b 5 18-19 



R.? (roc/iwcMg, Meek, 1870, pi. i, figs. 3, 3 a, 6 Id 



Articulata. 

 Cruuttacea. 

 rnradoxidce. 

 Cunocoryphe, Corda, 20 



C. (Ptychoparia) kingii,Ueek, 1870, pi. i, fig. 4 30-23 



Paradoxides, Brongniart 23 



P. ? M«i'aden«u>, Meek, 1870, pi. i, fig. 5 2S-35 



DEVONIAN SPKCIK8. 



Radiata. 

 Polypi. 



Favositidoe. 



Alveolites, Lamarck 26 



A. multilaviella, n. s.. Meek, 1877, pi. ii, figs. 7,7 a, b 25-26 



Alveolites, imdt. sp., Meek, 1877 26-27 



Favosites, LumnTck 27 



Favosites, uudt. sp.. Meek, 1877, pi. i, fig. 6 27 



F.polymorpha,Go\({i.'>.\i\T. Meek, 1877, pi. ii, fig. 3 27-28 



Syringopora, Goldfuss . 38 



Syringopora, undt. sp. , Meek, 1877 28 



Cyathophyllidw. 



Ptychophylliim, E.&U. . 38 



P. ? infundilndum, n. %., Meek, 1877, pi. ii, figs. 1, 1 a, 6 28-29 



Diphyphyllum, Lonsdale 29 



D. fasciculum, n. s., Meek, 1877, pi. ii, figs. 4, 4 o, 6 29-31 



AcervMZarid, Schweigger. 31 



A.peiitago7ia, Uoldfuss, sp., 1826, pi. ii, figa. 5, 5a 31-32 



Smithia, K. & U 3*2 



S. hennahii, Lonsdale, sp., 1840, pi. 2, figs. 6, 6 a 32-33 



Cyatliophyllum, Goldfuss 33 



C.jjalmeri, ii. s , Meek, 1877, pi. ii, fig. 2.... 33-34 



Mollxisca. 

 Brachiopoda. 



Strophoinenida:. 



Hemipronites, Pander 35 



H. chemungensin var. arctostrlata, Conrad, sp., pi. iii, fig. 2 35-36 



Prodiictidce. 



Productus, Sowerby « 36 



P. suhaeulfatus, Murchison ? 1840, pi. iii, figs. 7, 7 «, 6 36-37 



Rhynchonellid(v. 



! A trypa, Daliuan .38 



A. reticularis, Linnteus, sp., 1767, pi. i, figs. 7 and 7 a, and pi. 3, figs. 6 ? 6 a 38, 39 



Spiriferidce. 



iSpirifcr, Sowerby 39 



.S. utahensis. Meek, 1860, pi. iii, figs. 1, 1 «-e 39-41 



,S'. engelmanni, Meek, 18(i0, pi. iii, tigs. 3 a~c (and 3 d-ff) 41-42 



X ( Trigonotreta) argentarius, n. s., Meek, 1877, pi. iii, figs. 4 and 4 a, 6 42-43 



>S'. ( Trigonotreta) strigosus. Meek, 1860, pi. iii, figs. 5, 5 a, & 4.3-45 



5. {Tngo7iotretn) piiionensis, Meek, 1870, pi. i, figs. 9. 9 a, 6 45-46 



LameUibranchiata. 



