172 INDEX TO NORTH AMERICAN GEOLOGY, PALEONTOLOGY, [bull. 189. 
Paleontology— Continued. 
Genera and species described— Continued. 
Agnostus mamilla n. var., Matthew, 3770. 
laivigatus Dolman, terranovicus n. var., 
Matthew, 3770. 
maladensis Meek, Vogdes, 5754. 
montis, Matthew, 3788. 
nathorsti Brogger, Matthewf 3770. 
var. confluens n. var., Matthew, 3770. 
nathorsti Brogg, (?) mut., Matthew, 3776. 
cf . var. nepos Brogger, Matthew, 3776. 
nudus, Beecher, 366. 
nudus Beyrich, Matthew, 3770. 
obtusilobus, Matthew, 3770. 
obtusilobus Matthew, Vogdes, 5754. 
orion Billings, Vogdes, 5754. 
parillis Hall, Vogdes, 5754. 
parvifrons, Linnarsson, Matthew, 3770, 
3776. 
pisiformis Linn., Matthew, 3781. 
prolongus Hall and Whitfield, Vogdes, 
5754. 
punctuosus Angelin var., Matthew, 3776. 
punctuosus Angelin, Matthew, 3770. 
regulus, Matthew, 3770. 
regulus Matthew, Vogdes, 5754. 
rex, Beecher, 366. 
rex var. transection, var., Matthew, 3770. 
richmondensis Walcott, Vogdes, 5754. 
seclusus Walcott, Vogdes, 5754. 
tessella, Matthew, 3770. 
truncatus, n. var., Matthew, 3770. 
tessella Matthew, Vogdes, 5754. 
trisectus Salt., Matthew, 3751. 
tumidosus Hall and Whitfield, Vogdes, 
5754. 
tumidosus Hall and Whitfield, Walcott, 
5816. 
umbo, Matthew, 3770. 
umbo, Matthew, Vogdes, 5754. 
umbro, mihi, mut., Matthew, 3776? 
vir Matthew, Vogdes, 5754. 
Agoniatites, Clarke, 962. 
opimus (W. & W.), Weller, 6006. 
Agraulos Hawle and Corda, 1847, Berkey, 
429. 
ceticephalus Barr. var. carinatus n. var., 
Matthew, 3776. 
convexus Whitfield, Berkey, 429. 
hemisphericus n. sp., Berkey, 429. 
holocephalus mihi, Matthew, 3776. 
(?) nanus n. sp., Matthew, 3776. 
(?) pusillus n. sp., Matthew, 3776. 
quadrangularis (Whitfield), Grabau, 2092. 
roberti n. sp., Matthew, 3776. 
(Strenuella) strenues Billings sp. var. 
nasutus Walcott, Burr, 666. 
Agriochoerus Leidy, Scott, 4868. 
Agriochcerus Wortman, 6487. 
latifrons, Wortman, 6487. 
Agriomeryx migrans n. gen. et sp., Marsh, 
3690. 
Agriotherium n. gen., Scott, 4883. 
paradoxicum n. sp., Scott, 4883. 
Aguileria cumminsi White, Cragin, 1115. 
Agyrtes primoticus n. sp., Seudder, 4900. 
Aipoceras, Hyatt, 2816. 
Alaba chiolana n. sp., Dall, 1259. 
Paleontology— Continued. 
Genera and species described, — Continued. 
Alaba turrita n. sp., Guppy and Dall, 2214. 
Alaria rostrata, Whitfield, 6097. 
Alcyonaria, Girty, 2032. 
Aldrichia, elegans, n. sp., Vaughan, 5735. 
Alethopteris ambigua Lx., White, 6050. 
coxtoniana n. sp., White, 6052. 
discrepans Dn., White, 6052. 
evansii Lx., White, 6052. 
grandifolia Newb., White, 6052. 
laccei n. sp., White, 6052. 
lonchitica (Schloth.) Sternb., White, 6052. 
protaquilina n. sp., White, 6052. 
serlii (Brongn.) Goepp, White, 6049, 6050, 
var. missouriensis n. var., White, 6050. 
Aleurosaurus, Case, 768. 
Aligena H. C. Lea, Dall, 1281. 
sequata, Conrad, Dall, 1281. 
elevata Stimpson, Dall, 1281. 
lineata n. sp., Dall, 1281. 
minor n. sp., Dall, 1281. 
pustulosa Dall, Dall, 1281. 
Alismacites dakotensis n. sp., Lesquereux, 
3470. 
Allocodon fortis n. sp., Marsh, 3671. 
rarus n. sp., Marsh, 3671. 
Alligatorellus, Case, 768. 
Allocrinus benedicti n. sp., Miller, 3992. 
Allodesma n. gen., Ulrich, 5539. 
subellipticum Ulrich, Ulrich, 5539. 
Anonychia ovata n. gen. et sp., Ulrich, 5535. 
subrotunda n. sp., Ulrich, 5535. 
Alloprosallocrinus Cass, and Lyon, Wachs- 
muth and Springer, 5765a. 
celsus n. sp., Miller and Gurley, 3997c. 
conicus Cass, and Lyon, Wachsmuth and 
Springer, 5765a. 
gu>rleyi n. sp., Miller, 3992. 
AUopus liltoralis n. gen. et sp., Marsh, 3686. 
Allorisma andrewsi, Whitfield, 6099. 
arkansana n. sp., Weller, 5986. 
costata Meek and Worthen, Keyes, 3062. 
granosum (Shumard), Keyes, 3062. 
maxvillensis, Whitfield, 6099. 
subcuneata Meek, HerriCK, and Johnson, 
2465. 
subcunateum Meek and Hayden, Keyes, 
3062. 
walkeri n. sp., Weller, 5986. 
sp., Girty, 2039. 
Allosaurus, Marsh, 3701. 
Osborn, 4218. 
Alnites crassus n. sp., Lesquereux, 3472. 
grandifolia Newb., Newberry, 4083. 
Alnus alaskana Newberry, Knowlton, 3232. 
alaskana Newb., Newberry, 4083. 
carpinoides Lesquereux, Knowlton, 3262. 
grandifolia Newberry, Knowlton, 3232. 
searata Newb., Newberry, 4083. 
serrulata fossilis Newb. n. sp., Newberry, 
4083. 
sp. ?, Newberry, 4083. 
Aloiopteris erosa (Gutb.), White, 6050. 
georgiana (Lx.), White, 6052. 
winslovii D. W., White, 6049. 
(Corynepteris?) winslovii n. sp., White, 
6050. 
