weeks.] PALEONTOLOGY, PETROLOGY, AND MINERALOGY, 1896. 129 
. Paleontology — Continued. 
General — Continued. 
Terminology proposed for description of the 
shell of Pelecypoda, Hyatt, No. 351. 
Timepiece of geology, Claypole, No, 126. 
Validity of Boheniillida) Barrande, Beecher, 
No. 51. 
Genera and sf>ecies described. 
Acer amboyense n. sp., Newberry, No. 519. 
Acerates sp., Newberry, No. 519. 
Actaeon 
chipolanus n. sp., Dall, No. 158. 
galvestonensisu. sp., Harris, No. 278. 
myakkanus n. sp., Dall, No. 158. 
quercollis n. sp., Harris, No. 279. 
(Ristaxis) fnsulus n. sp., Dall, No. 158. 
(Tornatellaia) bella, Harris, No. 279. 
Actinocrinus 
jessiea3 n. sp., Miller and Gurley, No. 508. 
bischoffi ii. sp., Miller and Gurley, No. 
510. 
pallubrum n. sp., Miller and Gurley, No. 
509. 
pettisensis n. sp., Miller and Gurley, No. 
510. 
sampsoni n. sp., Miller and Gurley, No. 
510. 
sobrinus n. sp., Miller and Gurley, No. 
510. 
spectabilis n. sp., Miller and Gurley, No. 
510. 
subpulchellus n. sp., Miller and Gurley, 
No. 510. 
subscitulus n. sp., Miller and Gurley, No. 
510. 
iEscupophylluni hastingsense n. sp., Daw- 
son, No. 176. 
Agaricocrinus 
adamensis n. sp., Miller and Gurley, No. 
509. 
hodgsoni n. sp., Miller and Gurley, No. 508. 
illinoisensis n. sp., Miller and Gurley, 508. 
Agasslzocrinus ovalis n. sp., Miller and Gur- 
ley, No. 509. 
Agathamus, Marsh, No. 480. 
Agnostus Brongniart, Matthew, No. 490. 
acadicus Hartt, Matthew, No. 490. 
declivis, Matthew, No. 490. 
davidis Hicks, Matthew, No. 490. 
fallax, Matthew, No. 490. 
var. concinnus, Matthew, No. 490. 
var. trilobatus, Matthew, No. 490. 
var. vir, Matthew, No. 490. 
issus Lundgren, Matthew, No. 490. 
var. trifissus n. var., Matthew, No. 
490. 
gibbus Linnarsson, Matthew, No. 490. 
var. acutilobus, Matthew, No. 490. 
var. partitus, Matthew, No. 490. 
kevigatus Dalman, Matthew, No. 490. 
ciceroides n. var., Matthew, No. 490. 
mamilla n. var., Matthew, No. 490. 
terranovicus n.var., Matthew, No. 490. 
nathorsti Broegger, Matthew, No. 490. 
var. confluens n. var., Matthew, No. 
490. 
Bull. 149 1) 
Paleontology — Continued. 
Genera and species described — Continued. 
Agnostus 
nudus Beyrich, Matthew, No. 490. 
obtusilobus, Matthew, No. 490. 
parvifrons, Linnarsson, Matthew, No. 
490. 
tessella, Matthew, No. 490. 
truncatus, n. var., Matthew, No. 
490. 
punctuosus Angelin, Matthew, No. 
490, 
regulus, Matthew, No. 490. 
rex var. transectus n. var., Matthew, 
No. 490. 
umbo, Matthew, No. 490. 
Allosaurus, Marsh, No. 480. 
Alota n. gen., Matthew, No. 490. 
flexilis n. sp., Matthew, No. 490. 
Alveolites glomeratns, Say, No. 599. 
Ainaura (Amauropsis?) tombigbeensis n. sp., 
Harris, No. 279. 
Amauropsis 
jacksonensis n. sp., Harris, No. 280. 
perovata Con., Harris, No. 277. 
Amberleya dilleri n. sp., Stanton, No. 648. 
Ambonychia 
attenuata, Whitfield, No. 752. 
erecta, Whitfield, No. 752. 
lamellosa, Whitfield, No. 752. 
planistriata, Whitfield, No. 752. 
Ammosaurus, Marsh, No. 480. 
Amphidesma subovata, Say, No. 599. 
Amphipeltis paradoxus Salter, Matthew, No. 
488. 
Amphoracrinus j 
blairi n. sp., Miller and Gurley, No. 508. 
jessieaa n. sp., Miller and Gurley, No. 
510. 
sampsoni n. sp., Miller and Gurley, 509. 
Anaptogonia 
cloacina n. sp., Cope, No. 136. 
hiatidens Cope, Cope, No. 136. 
Anchisaurus, Marsh, No. 480. 
solus, Marsh, No. 480. 
Anchura kiowana n. sp., Cragin, No. 142. 
Anemia stricta n. sp., Newberry, No. 519. 
Andromeda 
flexuosa n. sp., Newberry, No. 519. 
latifolia n. sp., Newberry, No. 519. 
nova3-csesarea3 Hollick n. sp., Newberry, 
No. 519. 
parlatorii Heer, Newberry, No. 519. 
Aniscoceras vancouverense, Whiteaves, No. 
749. 
Anomia mcgeei Clark, Clark, No. 118, 122. 
senescens n. sp., Stanton, No. 64,8. 
Anosoceras vancouverense Gabb, Whiteaves, 
No. 748. 
Autillia biloba (Duchassaing), Gane, No. 235. 
Apatosaurus, Marsh, No. 480. 481. 
Aporrhais sp., Harris, No. 279. 
sp., Stanton, No. 648. 
Aptychus (?) knoxvillensis n. sp., Stanton, 
No. 648. 
mexicanus n. sp., Aguilera, No. 10. 
