7 Brack. 
Systematic. 
2031 
p. 406, eleganlula varr. n. triplicata, 
amplisulcata p. 411, precursor varr. n. 
latiformis p. 416, angustata p. 416, 
foerstei var. n. ampla p. 421, ponder osa 
var. n. arnheimensis p. 428, unicostata 
var. n. crassiformis p. 434, cypha varr. n. 
tumida p. 436, arcta p. 437, bellatula 
p. 438, Ordovician, U.S.A., McEwan 
Proc. U.S. Nat. Mus. 56. 
f Plectavibonites Jcristianiae sp. n. p. 76, 
trabeata var. n. acuminata p. 79, 
sckmidti var. n. precedens p. 81, scissa 
var. n. triangularis , Norway, Ordovician 
and Silurian, Holtedahl Vidensk. 
Skrift. 1915. 
f Productella sublaevis sp. n. Illinois 
Carboniferous, Weller 111. Geol. Surv. 
1914 p. 102. 
f Productus sedaliensis p. 108, mesi- 
costalis p. 114, crawfordsvillensis p. 116 
spp. n. Illinois Carboniferous, Weller 
111. Geol. Surv. 1914. 
t 
f Productus llangollensis and Chonetes 
comoides, DelIspine 10. 
f Pseudosyrinx gen. n. p. 404 type 
missouriensis sp. n. p. 406 ; lceolcuk p. 
408, gigas p. 410 spp. n. Illinois Car- 
boniferous, Weller 111. Geol. Surv. 
1914. 
■\Punctospirifer gen. n. p. 212 typo 
scabricosta sp. n. p. 213 British Isles, 
Carboniferous, North Quart. Joum. 
Geol. Soc. 76. 
f Rafinesquina Panderi p. 18, mj<f>sensis 
p. 19, parva p. 22, hadelandica p. 24, 
carinata p. 25, munsteri p. 29, ringeri- 
kiensis p. 30 spp. n. Norway Ordovician, 
HoLTEDAnL Vidensk. Skrift. 1915. 
f Rensselaer ia condoni ref. to Oris- 
kania, Dunbar 11. 
f Reticularia salemensis sp. n. Illinois 
Carboniferous, Weller 111. Geol. Surv. 
1914 p. 433. 
f Rhipidomella jerseyensis p. 157, 
tenuicostata p. 158, spp. n. Illinois 
Carboniferous, Weller 111. Geol. Surv. 
1914. 
f Rhizothyris, classification, media , 
scutum p. 371, elongata, curta, crassa, 
elliptica p. 372, fortis, obesa, lateralis , 
pirum , ovata p. 373, amygdala p. 374, 
figs., spp. n. New Zealand Tertiary, 
Thompson Trans. N.Z. Inst. 52. 
f Rhynchonella giirichi p. 167, with 
vars. bisellata , bifurcata p. 169, sp. n. 
Brunn Devonian, Oppenheimer Verh. 
natf. Vor. Brunn 54 1916. 
f Rhynchopora ? rowleyi p. 237, perry- 
ensis p. 239 spp. n. Illinois Carboni- 
ferous, Weller 111. Geol. Surv. 1914. 
■\Rhynchotreta insinuata sp. n. Ten* 
nessee Devonian, Dunbar Trans. Con- 
necticut Acad. 23 p. 132. 
t Rhynchotetra elongatum p. 209, 
missouriensis p. 211 spp. n. Illinois 
Carboniferous, Weller 111. Geol. Surv, 
1914. 
f Schellwienella crenulicostata p. 63, 
chouteauensis p. 64, planumbona p. 65, 
alternata p. 66, burlingtonensis p. 67 
spp. n. Illinois Carboniferous, Weller 
111. Geol. Surv. 1914. 
]Schizophoria chouteauensis p. 163, 
sedaliensis p. 164, poststriatula p. 165, 
spp. n. Illinois Carboniferous, Weller 
111. Geol. Surv. 1914. 
f Schuckertella fernglenensis sp. n. 
Illinois Carboniferous, Weller 111. 
Geol. Surv. 1914 p. 54. 
f Schuckertella altirhynchus sp. n. 
Inomen nudum], Greger 16 p. 23. 
f Spirifer shepardi p. 313, platynolus 
p. 317, biplicoides p. 323, legrandensis 
p. 326, crawfordsvillensis p. 338, wash- 
ingtonensis p. 339, pellaensis p. 340, 
breckenridg ensis p. 342, marshallensis 
p. 349, floydensis p. 351, indianensis 
p. 352, subrotundus p. 356, maplensis 
p. 357, gregeri p. 359, rowleyi p. 360, 
montgomeryensis p. 367, calvini p. 368, 
spp. n. Illinois Carboniferous, Weller 
111. Geol. Surv. 1914. 
t Spirifer plicatosulcatus sp. n. British 
Isles Carboniferous, North Quart. 
Joum. Geol. Soc. 67 p. 193. 
f Spirifer sophiae , hassaki , spp. n. 
Graz Devonian, Heritsch Denk. K. 
Ak. Wiss. Wien 92 1916 p. 580. 
t Spirifer lupusensis sp. n. [Nomen 
nudum], Greger 16 p. 23. 
f Spirifer wetteldorf ensis p. 27, figs., 
geesensis p, 37, spp. n. Nassau De- 
vonian, Richter Jahrb. Nass. Ver. 72. 
IfSpirifer pinguis var. n. elongata 
p. 349, striatoconvoluta sp. n. p. 350, 
N.S. Wales Carboniferous, Benson, 
Dun & Browne Proc. Linn. Soc. 
N.S.W. 45. 
