WEEKS.] 
PETROLOGY, AND MINERALOGY FOR 1892-1900. 
283 
Paleontology— Continued. 
di m ra and species described— Continued. 
Sportella (?) lubrica n. sp., Dall, 1281. 
obolus a. sp., Dall, 1281. 
pelex n. sp., Dall, 1281. 
petropolitana n. sp., Dall, 1281. 
protexta Conrad, Dall, 1281. 
unicarinata n. sp., Dall, 1281. 
whitfieldi Dall, Dall, 1281. 
yorkensis n. sp., Dall, 1281. 
Squama n. gen., Logan, 3553, 3554. 
Lata n. sp., Logan, 3553, 3554. 
spissa n. sp., Logan, 3553, 3554. 
Stachella Waagen, Ulrich and Seofield, 5541. 
Stagodon validus a. sp.. Marsh, 3671. 
Sandella Gray, Dall, 1272. 
(Eastonia | Gray, Dall, 1272. 
Staphylinus lesleyi n. sp., Scudder, 4900. 
vetulus n. sp., Scudder, 4900. 
Stauraesphsera, Matthew, G. P., 3760. 
Stearoceras n. gen., Hyatt, 2816. 
gibbosum, Hyatt, 2816. 
gibbosum Hyatt. Girty, 2037. 
Steganoblastus canadensis, Whiteaves, 6091. 
Steganocrinus Meek and Worthen, Waehs- 
inutli and Springer, 5765a. 
Steganocrinus albersi n. sp., Miller and Gur- 
ley, 1003. 
araneolus Meek and Worthen, Wachr- 
iniith and Springer, 5765a. 
araneolus sculptus I Meek and Worthen i, 
Keyes, 3061. 
benedicti n. sp., Miller 
blairi n. sp., Miller and Gurley, 1003. 
concinnus Shumard, Keyes, 3061. 
concinnus (Shumard), Wachsmuth and 
Springer, 5765a. 
globosus W. and sp. i dov. spec. I, w achs- 
nintli and Springer, 576 
griffithi n. sp., Miller and Gurley, W03. 
pentagonus i Hall i, Keyes, 3061. 
pentagonus (Hall), Wachsmuth and 
Springer, 5765a. 
sculptus i Hall i.Wachsmuth and Springer, 
5766a'. 
sharonensis n. sp., Miller and Hurley, 
4003. 
spergenensis n. sp.', Miller and Gurley, 
3999. 
Steganus n. gen., Scudder, 4890. 
barrandei, Scudder, 1890. 
Stegomus arcuatus n. yen. el sp., Marsh, 3698. 
Stegosaurus, Case, 768. 
Stegosaurus, Marsh, 15701,3702. 
Stemmatia bicristatus, Hay, 2381. 
bifurcatus, Hay, 2381. 
cheiriformis, Hay, 2381. 
compactus, Hay, 2381. 
keokuk, Hay, 1381. 
symmetricus, Hay, 2381. 
Stenaster Billings, James, 2896. 
grandis Meek, James, 2896. 
harrisi (S. A. Miller), James, 2896. 
Stenecphora n. gen., Scudder, 4895. 
punctulata n. sp., Scudder, 4895. 
Stenognathus, n. gen., Newberry, 4082. 
Stenogomphus n. gen., Scudder, 4S95. 
Paleontology— Continued. 
G( nt ra and species desenbed — Continued. 
Stenogomphus carletoni, Scudder, 4895. 
Stenoloeris n. gen., Scudder, 4895. 
venosa n. sp., Scudder, 4895. 
Stenolophus religatus n. sp., Scudder, 4900. 
Stenopoceras n. gen., Hyatt, 2816. 
Stenopora, Simpson, 4983. 
spinulosa n. sp., Rogers. 46M). 
■ pissa n. sp., Rogers, 1546. 
tuberculata (Prout), Keyes, 3062. 
Stenoschisma Conrad, Hall and Clarke, 2261a, 
2264. 
Stenotheca Salter, Grabau, 2092. 
Stenotheca Salter, Matthew, 3770. 
Stenotheca Salter, Ulrich and Seofield, 5541. 
abrupta Shaler and Foerste, Grabau, 2092. 
C( entrica, M-Hhew, 3770. 
var. radiata, Matthew, 3770. 
curvirostra Shaler and Foerste, Grabau, 
2092. 
exerta Sardeson, Ulrich and Seofield, 5541. 
hicksiana. Matthew, J5770. 
lei i- Wale, ,11, (Ira ban, 2092. 
nasuta, Matthew, 3770. 
pauper Billings, Grabau, 2092. 
triangularis, Matthew . 3770. 
unguiformis n. sp., Ulrich and Seofield, 
55 1 1 . 
Stephanella hindii n. sp., Dawson, 1 152. 
Stephanocoenia fairbanski n. sp., Vaughan, 
5735. 
Stephanocrinus Conrad, Weller, 0002. 
cornetti n. sp., Miller, 3995. 
i Mi- n. sp., Miller, 3992. 
hamelli n. sp., Miller, 3992. 
obpyramidalis n. sp., Miller, 3992. 
osgoodensis, Miller. 3992. 
densis - \. Miller), Weller, 6002. 
phanograptus crassicaulis u. sp.. Gurley, 
2217. 
exilis Lapworth n. sp., Gurley,2217. 
Stephanomorpha monticuliformis, n. sp., 
Vaughan, 5735. 
St< ptopora interporata n. sp., Rogers, 1656. 
Sterculia aperta Lesq., Lesquereux, 3470 
engleri n. sp., Kirchner, 3187. 
mucronata n. sp., Lesquereux, 3470. 
reticulata n. sp., Lesquereux, 3470. 
snowii n. sp., Lesquereux, 3470. 
snowii Lesq.(?), Hollick, 2696. 
snowii, Knowlton, 3234. 
snowii var. disjuneta n. var., Lesquereux, 
3470. 
sp.?, Hollick, 2606, 2698. 
Ster srinus indianensis n. sp., Miller and 
Gurley, 40u3. 
Stereolasma n. gen., Simpson, 4984. 
Steriphonotrochus puleher n. sp., Vaughan, 
5735. 
Sterrholophus, Marsh, 3701. 
Stethacanthus compressus n. sp., Newberry, 
4082. 
productus n. sp., Newberry, 4082. 
Stethocapsa, Matthew, G. F., 3760. 
Stiboriopsis n. gen., Vaughan, 5734. 
jamaicaensis u. sp., Vaughan, 5734. 
