68. 
70. 
72. 
128 
; Heliophylium Canadense, Billings (C). 
Colbornense, Nicholson (C). 
“ Cayugaense, Billings (C). 
. Halli, Hdw. and Haime (C and H). 
ce sub- -ceespitosum, Nicholson (H). 
&“ proliferum, Nicholson (C). 
ee Eriense, Billings (C). 
“6 collizatum, Billings (C). 
66 exiguum, Billings (C and H), 
. Petraia Logani, Nicholson (C). 
. Amplexus Yandelli, Edw. and Haime (C). 
' TU dee arundinaceum, Billings (C). 
stramineum, Billings (C). 
« gracile, McCoy (C). 
; Buea tue Simecoense, Billings (C). 
Verneuilanum, Billings (C). 
renin Senecaense, Billings (C). 
grande, Billings (C). 
“i Americanum, Hdw. and Haime (C and H). 
oy vesiculosum, Goldfuss (C and H). 
suleatum, Billings (C). 
. Microcyclus discus, Meck and Worthen (H). 
. Haimeophyllum ordinatum, Lillings (C). 
Syringppora nobilis, Billings (C). 
Hisingeri, billings (C). 
o perelevans, Billings (C). 
66 Maclurei, Billings (C). 
cs laxata, Billings (0). 
. Aulopora filiformis, Billings (C and H). 
cornuta, ‘Billings (C and H). 
ee tubzeformis, Goldfuss (C). 
6 umbellifera, Billings (C). 
. Favosites Gothlandica, Lamarck, (C and H). 
“ basaltica, Goldfuss 9 (C). 
‘“ Forbesi, Hdw. and Haime (C). 
ef hemispherica, Yandell and Shumard (C and H). 
«s turbinata, Billings (C and A). 
st polymorpha, Goldfuss (C and H). 
e reticulata, De Blainville (C and H). 
at dubia, De Blainville (C). 
G cervicornis, De Blainville (C). 
se Chapmani, Nicholson (C). 
5 oe labiosa, Billings (C). 
Roemeri, Billings (C and H), 
es eryptodens, Billings (C). 
uw conferta, Nicholson (C). 
S (Coenites ?) distans, MVicholson (C). 
6 ramulosa, Nicholson (C). . 
ie Billingsi. Nicholson (C). 
- Selwynii, Nicholson (C). 
i Goldfussi, Billings (H). 
Fischeri, Billings (C and H). 
<C frondosa, ‘Vicholson (H). 
Striatopora Linneana, Billings (H). 
Trachypora elezantula, billinas (@). 
Cheetetes moniliformis, Nicholson (H). 
as Barrandi, Nicholson (H). 
4 quadrangularis, Nicholson (H). 
