weeks.] PALEONTOLOGY, PETROLOGY, AND MINERALOGY, 1898. 141 
Paleontology — Continued. 
Genera and species described — Continued. 
Aralia niacrophylla Newb., Newberry, No. 
573a. 
(?) quinquepartita Lesq., Newberry, No. 
573a. 
rotundiloba Newb. ( ?), Hollick, No. 368. 
towneri Lesq.( ?), Hollick, No. 370. 
Araucaria spatulata Newb., Newberry, No 
573a. 
Arauoarites ovatus n. sp., Hollick, No. 370. 
Area aquila Heilprin, Dall, No. 184. 
bordeniana n. sp., Dall, No. 184. 
carolinensis Wagner, Dall, No. 185. 
hatchetigbeensis n. sp., Harris, No. 334. 
occidentalis Phillips, Dall, No. 184. 
paratina n. sp., Dall, No. 184. 
triloba Newb., Newberry, No. 573a. 
umbonata Lamarck, Dall, No. 184. 
virginiae "Wagner, Dall, No. 185. 
wagneriana Dall, Dall, No. 184. 
(Barbatia) (Gray) Adams, Dall, No. 184. 
(Linne) Lamarck, Dall, No. 184. 
(Lunarca) (Gray) Adams, Dall, No. 184. 
(Noetia) Gray, Dall, No. 184. 
incile Say, Dall, No. 184. 
limula Conrad, Dall, No. 184. 
limula var. platyura, Dall, No. 184. 
var. filosa Conrad, Dall, No. 184. 
ponderosa Say, Dall, No, 184. 
(Scapbarca) (Gray), Dall, No. 184. 
Archaegosaurus, Case, No. 134. 
Archaeopteryx, Case, No. 136. 
Archimedes, Simpson, No. 702. 
Archimedipora, Simpson, No. 702. 
Arisaema ( ?) duhia n. sp., Hollick, No. 370. 
( ?) mattewanense n. sp., Hollick, No. 370. 
Aristolockiacordilblia, Newb., Newberry, No. 
573a. 
Arthroclema, Simpson, No. 702. 
Arthrodira, Case, No. 133. 
Arthropora, Simpson, No. 702. 
Arthrostylus, Simpson, No. 702. 
Ascodictyum, Simpson, No. 702. 
Aspidium kennerlyi Newb., Newberry, No. 
573a. 
Aspidopora, Simpson, No. 702. 
Aspidorhynchus, Case, No. 133. 
Astarte smithvillensis var., Harris, No. 334. 
Asteroptychius gracilis Newb., Newberry, 
No. 573. 
Atactodea Dall, Dall, No. 184. 
Atactopora, Simpson, No. 702. 
Atactoporella, Simpson, No. 702. 
Athyris densa, Hall and Clarke, No. 327. 
subquadrata Hall, Weller, No. 860. 
Atrina argentea Conrad, Dall, No. 184. 
harrisii n. sp., Dall, No. 184. 
jacksoniana n sp., Dall, No. 184. 
rigida Dillwyn, Dall, No. 184. 
serrata Sowerby, Dall, No. 184. 
(Argentea ?) ckipolana n. sp. ?, Dall, No. 
184. 
Atrypina clintoni, Hall and Clarke, No. 327. 
Aulopora anna n. sp., Beede, No. 61. 
prosseri n. sp., Beede, No. 61. 
„ subtenuis Hall, Girty, No. 300. 
Paleontology — Continued. 
Genera and species described — Continued. 
Avicula gastrodes Meek, Logan, No. 498. 
sp., Harris, No. 3!!4. 
Aviculopecten bates villensis n. sp., Weller. 
No. 860. 
rectilaterarius Cox, Drake, No. 239. 
?, sp., Weller, No. 860. 
Bactropora, Simpson, No. 702. 
Baculites nodosus var. brevis Meek, Logan, 
No. 498. 
ovatus Say, Logan No. 498. 
Banksia pusilla Vel., Hollick, No. 370. 
Baptosaurus, Williston, No. 902. 
onchognatbus, Williston, No. 902. 
Barbatia cuculloides var., Harris, No. 334. 
(Acar) reticulata Gmelin, Dall, No. 184. 
(Calloarca) arcula Heilprin Dall, No. 184. 
Candida Gmelin, Dall, No. 184. 
cuculloides Conrad, Dall, No. 184. 
irregularis n. sp., Dall, No. 184. 
marylandica Conrad, Dall, No. 184. 
pbalacra n. sp., Dall, No. 184. 
(Cucullaria) aldrichi n. sp., Dall, No. 184. 
taeniata n. sp., Dall, No. 184. 
(Fossularca)adamsi (Shuttlewortb) Smith, 
Dall, No. 184. 
ovalina n. sp., Dall, No. 184. 
(Granoarca) propatula Conrad, Dall, No. 
184. 
virginiae Wagner, Dall, No. 184. 
(Striarca) centenaria Say, Dall, No. 184. 
Barnea (Leach MS. ) Risso, Dall, No. 184. 
truncata Say, Dall, No. 184. 
(Scobina) arcuata Conrad, Dall, No. 184. 
costata Linne, Dall, No. 184. 
Barrandeoceras subcostulatum nom. prov., 
Whiteaves, No, 875. 
Barrendella areyi, Hall and Clarke, No. 327. 
Bathyuriscus senectus Billings sp., Matthew, 
No. 535. 
Batostoma, Simpson, No. 702. 
Beecheria davidsoni, Hall and Clarke, No. 327. 
Belemnacanthus giganteus n. sp., Eastman 
No. 246. 
' Belemnitella baculus n. sp., Logan, No. 498. 
Bellerophon sublaevis Hall, Weller, No. 860. 
branneri n. sp., Weller, No. 860. 
Belodon, Case, No. 135. 
Berberis simplex Newb., Newberry, No. 573a. 
Berenicea, Simpson, No. 702. 
Bernissartia, Case, No. 135. 
Beryx ? Cuvier, Stewart, No. 748. 
multiiientatus n. sp., Stewart, No. 748. 
polymicrodus n. sp., Stewart, No. 748. 
Betula angustifolia Newb., Newberry, No. 
573a. 
heterodonta Newb., Newberry, No. 573a. 
sp. ? Newberry, No. 573a. 
Bison alaskensis Rhoads, Rhoads, No. 651. 
alleni Marsh, Rhoads, No. 651. 
antiquus Leidy, Rhoads, No. 651. 
latifrons Blake, No. 84. 
latifrons, (Harlan), Rhoads, No. 651. 
scaphoceras (Cope), Rhoads, No. 651, 
sp. ?, Rhoads, No. 651. 
