4., magniHed S6 times^leit valve, small pecaliar; Eighteen-
Mile creek, Lake Erie shore, N. Y. Hamilton, VIII c.
Stariatopora linneeana. Billings (1859, Canadian Journal,
Vol. 5, page 263, Hamilton
form.) CoUett's Indiana Re-
port of 1881, page 398, plate
47, fig. 7 ; fragment of a coral-
Inm. Hamilton strata of Can-
ada and Indiana. VIII c.
Strieklandinia iStricklandia) elongata, BUlings. See Am-



phlgenia elongata, Vannxem. (Pentamerus elongatus),
Geol. 3d District of N. Y. 1842. Geology of Canada, 1863,
page 371, fig. 390, two specimens Bhowing the narrow and
broad varieties. Comi^erous limestone. VIII a.
Stromatocerium richmondense. See Strephoobettts rlch-
mondensiB. Illh.
»na. 1102

Stromatoeainm mgoenm. (Hall, Pal. N. Y. Vol. 1.
1847. — A. WiDcheirs Geological
StadieB, 1886, page 321, fig. 223,
copied from Hall. ^— Birdaeye and
Black river limegtone in New York.
// c. — {See StTomatopora rugoaa.)
Brainard and Seel; say that a mas-
sive Stromatocerium, with Stre-
pAochetits, and Maeluria magna,
characterize the middle (B) divis-
ion of the CKazy formation in
Vermont. (Bull. Geolog. Sec. of
America, 1890, Vol. 1, p. 502.)



Stromatopora aaloporoides (Alecto auloporoides, Nichol-




■S^^S^it^



MjS^



TalMio, VoL Z,j>l. XX V.
son.) Pal. Ohio, Vol. 3, 1875, page 267, plat« 25, fig. 2, ^reaiZy
enlarged, a piece of the polyzoary growing ap^jn a shell {Stroph.
altemata) ,' fig. 2 a, magni£ed bit of the same showing the
cells in two series; h, bit of another branch usually regarded
as identical with Hall's AuUpora araohnoidea, certainly dis-
tinct (Nich.). OloBo to Alecto frondom-, James, but more delicate
and graceful, and with cells arranged in a single or double
series (Nich.). Cinn(Anati formation. Illh.
Stromatopora concentrica, Goldfues, Germ. Petrif. 1826.
