6 Brack. 
Systematic. 
2031 
\Atrypa reticularis, Heritsoh 19 
t Atrypoidea gen. n. near Atrypa p. 
271, australis p. 272, augusta p. 273, 
spp. n. N.S.Wales Silurian, Mitchell & 
Dun Proc. Linn. Soc. N.S.W. 45 
Basiliola pompholyx sp. n. Borneo, 
Dall Proc. U.S. Mus. 57 p. 291. 
f Brachyprion explicatum sp. n. p. 
38, semiglobosum var. n. norvegicum 
p. 36, Norway Silurian, Holtedahl 
Vidensk. Skrift. 1915. 
\ Brachyprion purduci sp. n. Tennessee 
Devonian, Dunbar Trans. Connecticut 
Acad. 23 p. 126. 
fj Brachythyris burlingtonensis p. 371, 
gurleyi p. 377, allonensis p. 379 spp. n. 
Illinois Carboniferous, Weller 111. 
Geol. Surv. 1914. 
f Camarotceckia subglobosa sp. n. 
Illinois Carboniferous, Weller 111. 
Geol. Surv. 1914 p. 180. 
f Camarotceckia splicensis sp. n. 
[Nomen nudum], Grecer 16 p. 23. 
Campages asthenia, Philippines ; 
basilanica Japan p. 365 ( Jolonica ) 
kedleyi, Philippines p. 366 spp. n„ 
Dall Proc. U.S. Mus. 57. 
f Genironella louisianensis sp. n. 
Illinois Carboniferous, Weller 111. 
Geol. Surv. 1914 p. 241. 
f Centronelloidea gen. n. for Tere- 
bratula rowleyi, Illinois Carboniferous, 
Weller, 111. Geol. Surv. 1914 p. 247. 
\Chapadella nom. n. for Brasilica 
Clark 1913 preocc., Greger Nautilus 
p. 70. 
^Chonetes wadei p. 129, fornacula 
p. 130, spp. n., kudsonicus mut. n. 
camdenensis p. 131, Tennessee Devon- 
ian, Dunbar Trans. Connecticut Acad. 
23. 
■ \Chonetes missouriensis p. 82, 
cheslerensis p. 83 spp. n. Illinois 
Carboniferous, Weller 111. Geol. Surv. 
1914. 
f Christiania lamellosa sp. n. Maryland 
Ordovician, Bassler Maryland Geol. ’ 
Surv. Camb. Ord. 1919 p. 257. 
f Gliothyridina glenparlcensis p. 
473, lenlicularis p. 480 spp. n. Illinois 
Carboniferous, Weller 111. Geol. Surv. 
1914. 
■ \Composita lewisensis p. 488, sulcata 
p. 490, laevis p. 491, pentagonia p. 492, 
globosa p. 493, spp. n. Illinois Carboni- 
ferous, Weller 111. Geol. Surv. 1914. 
Crania anomala, Grant 13. 
Crania hawaiiensis, philippinensis 
spp. n. Hawaii & Philippines resp., 
Dall Proc. U.S. Mus. 57 p. 272. 
f Cranaena globosa p. 249, sulcata p. 
251, spp. n. Illinois Carboniferous, 
Weller 111. Geol. Surv. 1914. 
' f Cranoena marionensis sp. n. [Nomen 
nudum], Greger 16 p. 24. 
f Cyrtia inexpectans sp. n. Illinois 
Carboniferous, Weller 111. Geol. Surv. 
1914 p. 383. 
Dallina rahaelis var. n. albida, 
Japan, Dall Proc. U.S. Mus. 57 p. 359. 
\Dalmanella edsoni sp. n. Maryland 
Ordovician, Bassler Maryland G6ol. 
Surv. Camb. Ord. 1919 p. 243. 
\Dalmanella pygmaea p. 121, rock - 
housensis p. 122, macra p. 123, spp. n. 
Tennessee Devonian, Dunbar Trans. 
Connecticut Acad. 23. 
\Delthyris cyrtinoides sp. n. p. 138, 
octocostata mut. n. tennesseensis p. 139, 
Tennessee Devonian, Dunbar Trans. 
Connecticut Acad. 23. 
f Delthyris similis sp. n. Illinois Car- 
boniferous, Weller 111. Geol. Surv. 
1914 p. 305. 
f Dictyonella subgibbosa sp. n. Ten- 
nessee Devonian, Dunbar Trans. Con- 
necticut Acad. 23 p. 124. 
■\Dielasma chouteauensis p. 257> 
osceolensis p. 260, sinuafa p. 262, inflata 
p. 264, illinoisensis p. 267, arkansanum 
p. 269, subspalulum p. 270 spp. n. Illi- 
nois Carboniferous, Weller 111. Geol. 
• Surv. 1914. 
f Dielasmella calhounensis sp. n. Illi. 
nois Carboniferous, Weller 111. Geol- 
Surv. 1914 p. 281. 
Discinisca sparselineata, Japan, indica , 
India, spp. n., Dall Proc. U.S. Mus. 57 
p. 279. 
f Eatonia tennesseensis p. 134, fissi- 
costa p. 136, spp. n. Tennessee Devonian, 
Dunbar Trans. Connecticut Acad. 23. 
\Echinoconchus gen. n. type Pro - 
ductus punctatus, p. 138, genevievensis 
sp. n. p. 140, Illinois Carboniferous, 
Weller 111. Geol. Surv. 1914. 
