206 
INDEX TO NOKTH AMERICAN GEOLOGY, 
[ni'1,1 .271 
Paleontology— Continued. 
Genera and species described — Continued. 
Semele carinata (Conrad), Glenn. 5. 
carinata var. compacta Dall, Glenn, 5. 
subovata (Say), Glenn, 5. 
Septastrea marylandica (Conrad) ,Vaughan, 3. 
Sequoia graeillima (Lesq.) Newb., Berry, 1,2. 
penhallowii n. sp., Jeffrey, 1. 
reichenbachi (Gein.) Heer, Berry, 1. 
(cone). Knowlton, 1. 
Seymouria baylorensis n. gen. and sp., 
Broili, 1. 
Shepardia E. Hitchcock, Lull, 1. 
palmipes I*'.. Hitchcock, Lull, 1. 
Sigaretus fragilis Conrad. Martin. 3. 
Sigmagraptus n. gen., Ruedeman-n, 1. 
prsecursor n. sp., Ruedemann, l. 
Sillimanius E. Hitchcock, Lull, l. 
gracilior E. Hitchcock, Lull, 1. 
tetradactylus E. Hitchcock, Lull, 1. 
Siphonalia? calvertana n. sp., Martin, ;;. 
de\ exa | Conrad) . Martin, 'A. 
marylandica n. sp., Martin. :;. 
migrans (Conrad i, .Martin, 3. 
Siphonocetus clarkianus Cope, Case, l. 
expansus < lope, Case, l. 
priscus Cope, Case, 4. 
Skenidium? nodocostatum n. sp., Rowley, 1. 
Solarium amphiternum Dall, Martin. ::. 
trilineatum Conrad, Martin, 3. 
cardia (Spaniorinus) cossmanni Dall, 
Glenn, 5. 
Sonneratia acuto-carinata Shum., Lass"w itz, I. 
acuto-carinata Shum. var. multifida 
Steinm., Lasswitz, 1. 
supani n. sp., Lasswitz, 1. 
Sphaerexochus romingeri Hall, Kindle and 
Breger, 1. 
Sphserocystites Hall, Schuchert, 1. 
bloomfieldensis n. sp., Schuchert, I. 
globularis Schuchert, Schuchert, I. 
globularis ovalis n. var., Schuchert, 1. 
multifasciatus Hall, Schuchert, 4. 
Sphenia dubia (H. C. Lea i, < Henn, 5. 
Sphenodiscus pleurisepta Conrad, Lasswitz, l. 
Sphyrna prisca A.gassiz, Eastman, 6. 
Spiloblattina, Sellards, 1. 
maledicta, Sellards, 1. 
Spirifer (Reticularia) crispus var. simplex 
Hall, Kindle and Breger, 1. 
fog^i Nettleroth, Kindleand Breger, 1. 
mucronatus Conrad, Raymond P. E.),l,2. 
nobilis Barrande, Kindle ami Breger, 1. 
radiatus Sowerby, Kindleand Breger, 1. 
Spiroloculina d'Orbigny, Bagg, 3. 
grata Terquem, Bagg, 3. 
tenuis i ( Izjzek), Bagg, 3. 
Spirorbis calvertensis n. sp., Martin. 5. 
Spisula callistaeformis n. sp., Dall, 1. 
(Hemimactra?) chesapeakensis n. sp., 
* }lenn, 5. 
Hemimactra) confraga(Conrad i,Glenn,5. 
Hemimactra) curtidens Dall, Glenn, 5. 
(Hemimactra) delumbis (Conrad), 
Glenn, 5. 
(Hemimactra) marylandica Dall, Glenn, 
5. 
Paleontology — Continued. 
Gt nt in mi I spt cies described — Continued. 
Spisula (Hemimactra) subparilis (Conrad), 
Glenn, 5. 
(Hemimactra) subponderosa (d'Orbigny! 
Glenn, 5. 
sp., Dall, 1. 
Spongasteriscusmarylandicusn. sp., Mart in, 6, 
Sportella patuxentia n. sp., Glenn,5. 
pelex Dall, Glenn, 5. 
petropolitana Dall, Glenn, 5. 
recessa n. sp., Glenn, 5. 
whitfieldi Dall, Glenn, 5. 
Squalodon atlanticus Leidy, Case, 4. 
protervus Cope, Case, 4. 
Squatina Dumeril, Eastman, (5. 
occidentalis n. sp., Eastman, 6. 
Staurocystis Haeckel, Schuchert, 1. 
Staurograptus Emmons, Ruedemann, 1. 
dichotomus Emmons, Ruedemann, 1. 
dichotomus var. apertus n. var., Kude 
mann, 1. 
Stegomus longipes, Emerson and Loom is, 1. 
longipes, Lull, 2. 
Steneofiber pansus Cope, Matthew and <;id 
ley, 1. 
Stenonyx nom. now, Lull, 1. 
lateralis | E. Hitchcock), Lull, 1. 
Stephanopyxis corona ( Ehrenberg), Hover, 1 
Stereocrinus ? indianensis M. & G., Rowley 
Greene, 2. 
Steropoides E. Hitchcock, Lull, 1. 
elegans E. Hitchcock, Lull, 1. 
infelix Hay, Lull, 1. 
ingens E. Hitchcock, Lull, 1. 
loripes I E. Hitchcock), Lull, 1. 
uncus ( E. Hitchcock ), Lull, 1. 
Stichocapsa macropora Vinassa, Martin, G, 
Stigmatella n. gen., [Jlrich and Bassler, 2. 
clavis i (Jlrich I, [Jlrich and Bassler, 'J. 
crenula'ta n. sp., [Jlrich and Bassler, 2. 
interporosa n. sp., [Jlrich and Bassler, 2 
irregularis (Ulrich), Ulrich and Bassler, 
nana n. sp., [Jlrich and liassler, 2. 
nicklesi n. sp., [Jlrich and Bassler, '2. 
personata n. sp., Ulrich and Bassler, 2. 
spinosa n. sp., [Jlrich and Bassler, 2. 
Stoliczkaia ex. aft*, dispar d'Orb., Lasswitz, 
Streptomytilus n. gen.. Kindle and Breger, 
wabashensisn. sp., Kindleand Breger, 
Stribaloeystis? elongatus Rowley, 1. 
missouriensis Rowley, Rowley, 1. 
Stromatocerium Hall, Seely, 2. 
eatoni n. sp., Seely, 2. 
lamottense n. s]>., Seely, 2. 
lamottense var. chazianum, Seely, 2. 
? monilit'erum n. sp., Seely, 2. 
rugosum Hall, Seely, 2. 
Stromatopora tubulifera n. sp., Parks, 1. 
Strophalosia truncata Hall, Raymond i P. F 
1,2. 
Stropheodonta concava Hall, Raymond 
E. i, 2. 
cf.corrugata < lonrad, Kindleand Bregei j 
demissa Hall, Raymond | P. E.), 2. 
insequistriata Conrad, Raymond (P.I 
1,2. 
I 
