7 Brack. 
Systematic. 
2031 
land Geol. Surv. Lower Devonian. — 
M. septata sp. n. Brazil Devonian, 
Clarke Servigo Geol. Min. Brasil 
Mongr. 1 p. 2G4. 
f Mickwitzia muralensis sp. n. Alberta 
Cambrian, Walcott Smithsonian Inst. 
Misc. Collect. 57 p. 310. 
■ fNucleospira swartzi sp. n. Marjdand 
Devonian, Maynard Maryland Geol. 
Surv. Lower Devonian p. 432. 
■\Obolella nuda sp. n. Alberta Cam- 
brian, Walcott Smithsonian Inst. 
Misc. Collect 57 p. 312. 
t Obolus ornatus p. 58 pi. v f. 1-2, 
deltoideus f. 3-4, elatus p. 59 f. 5-8, 
fimbriatus f. 9-12, var. jemtlandicus 
var. n. p. 60 pi. v f. 13, sularpensis 
p. 60 textf. 22, spp. n. Schweden o Ordo- 
vicium, Hadding Lund Univ. Arsskr. 
N. F. 9 Afd. 2 No. 15. 
f Orbiculoidea bodenbenderi p. 304, 
colli 8 p. 306, spp. n., Brazil Devonian, 
Clarke Sorvico Geol. Min. Brasil 
Monogr. 1. — 0. roedcri Schuchert p. 290, 
schucherti Swartz p. 292, spp. n., 
Maryland Devonian, Schuchert et al. 
Maryland Geol. Surv. Lower Devonian. 
f Orishania lucerna sp. n. Maryland 
Devonian, Schuchert Maryland Geol. 
Surv. Lower Devonian p. 390. 
t Ornithella cleevensis sp. n. England 
Jurassic, Richardson & Upton Proc. 
Cotteswold Nat. Field Club 18 p. 48. 
t Oxoplecia gen. n. for calhouni sp. n. 
Canada Silurian, Wilson Ottawa Vic- 
toria Memorial Museum Bulletin 1 
p. 81. 
t Pholidops multilamellosa p. 293, 
tumida p. 294, spp. n., Maryland 
Devonian, Schuchert Maryland Geol. 
Surv. Lower Devonian. 
f Plectambonites scriceus var. n. typus 
p. 91, centricarinatus sp. n. p. 92, New 
York Lower Silurian, Ruedemann 
N.Y. St. Mus. Bull. 162. 
f Productella lachrymosa var. n. mary- 
landica p. 565, navicelliformis sp. n. 
p. 567, Maryland Devonian, Clarke 
& Swartz Maryland Geol. Surv. Mid. 
Up. Devonian. — P. (?) schucherti sp. n. 
Maryland Devonian, Prosser Mary- 
land Geol. Surv. Mid. Up. Devonian 
p. 163. 
f Productus globosus p. 568, rolundus 
p. 569, spp. n., England Carboniferous, 
Garwood Q. J. Geol. Soc. 68. 
f Rensselaeria fallclandica sp. n. Brazil 
Devonian, Clarke Servigo Geol. Min. 
Brazil Monogr. 1 p. 267. 
f Rensselaeria Jceyserensis sp. n. Mary- 
land Devonian, Swartz Maryland 
Geol. Surv. Lower Devonian p. 384. — 
R. circularis p. 381, proavita p. 385, 
spp. n., subglobosa varr. n. avus p. 380, 
crassa p. 381, marylandica var. n. 
symmetrica p. 384, suessana var. n. 
immatura p. 388, Maryland Devonian, 
Schuchert loc. cit. 
f Retzia aracanga, hungarica, Loczyi , 
pseudolyrata, spp. n., Ungarn Trias, 
Bittner Res. wissonsch. Forsch. des 
Balatonsees. I. Bd. I. Teil. Palaont. 
Anh. II. pp. 25-30. — R. oxyrhynchos 
sp. n. Ungarn Trias, Renz Res. 
wissonsch. Forsch. des Balatonsees. 
I. Bd. I. Teil. Palaont. Anh. II. Bd. 
Budapest p. 24. — bittneri sp. n. 
Kalke, Baden N. Oest., Toula Jahrb. 
Geol. Reichsanst Wien 63 pp. 77-126. 
■\Rhipidbmella musculosa var. n. 
arctisinuata p. 306, marylandica sp. n. 
p. 306, Maryland Devonian, Schuchert 
Maryland Geol. Surv. Lower Devonian. 
\Rhynchonella auriculifera p. 49, 
cheltensis, cleevensis p. 50, grayi, sel- 
sleyensis p. 51, witchelli p. 53, spp. n., 
England Jurassic, Richardson & 
Upton Proc. Cotteswold Nat. Field 
Club 18. — R. decurtata Gir. var. n. 
oxypterus p. 22, carantana var. n. 
baconica p. 39, Ungarn Trias, Frech 
Res. wissensch. Forsch. des Bala- 
tonsees. I. Bd. I. Teil. Palaont. Anh. 
II. — R. Iaczlc6i sp. n. Ungarn Trias, 
Bittner Res. wissensch. Forsch. des 
Balatonsees. I. Bd. I. Teil. Palaont. 
Anh. II. p. 18. — R. ( Pugnax ) jawcetlensis 
sp. n. England Carboniferous, Gar- 
wood Q. J. Geol. Soc. 68 p. 568. 
fj Rhynchotreta cuniberlandica sp. n. 
Maryland Devonian, Rowe Maryland 
Geol. Surv. Lower Devonian p. 347* 
f Schizophoria orishania sp. n. Mary- 
land Devonian, Schuchert Maryland 
Geol. Surv. Lower Devonian p. 307. — 
