ANTICOSTI ISLAND FAUNAS. 
5 
respect. The latter have an aspect somewhat more ancient 
than is generally found in equivalent strata, but as they are asso- 
ciated with many typical Richmond species, they are con- 
sidered survivors of older deposits and given little weight. 
The formation has a thickness of 229 feet. The complete fauna 
of the formation is as follows: — 
1 
Lycrophycus forraosum 
46 
P. 
prolifica 
2 
L. 
robustum 
47 
Rhytimya 
emma 
3 
L. 
vagans 
48 
Vanuxemia 
ungulata 
4 
Saerichnites 
abruptus 
49 
Whitella 
plebia 
S 
Rauffella cf. filosa 
50 
W. 
sigmoidea 
6 
Calapoecia 
canadense 
51 
Archinacella 
estella 
7 
Mesograptus putillus 
52 
Bellerophon ? fraternus 
8 
Paleofavosites aspera 
53 
B. ? 
miser 
9 
Streptelasroa angulatum 
54 
B. ? solitarius 
10 
S. 
rusticum 
55 
B. ? n. sp. 
11 
Periglyptocrinus sp. 
56 
Clathrospira 
subconica 
12 
Cornuhtes 
flexuosus 
57 
Hormotoma 
gracilis 
13 
Arthroclema 
angulare 
58 
Liospira 
americana 
14 
Dianulites 
n. sp. 
59 
Lophospira ? 
circe 
15 
Dicranopora 
fragilis 
60 
L. ? modesta 
16 
Phacelopora 
pertenuis 
61 
L. ? varians 
17 
Ptilodictya 
magnifica 
62 
Metoptoma ? alceste 
18 
P. 
whiteavesi 
63 
Oxydiscus 
n. sp. 
19 
Sceptropora 
facula 
64 
Pafseacmaea 
n. sp. 
20 
Catazyga 
anticostiensis 
65 
Phragmolites desiderata 
21 
Dalmanella 
testudinaria 
66 
P. 
pannosa 
meeki 
67 
Raphistoma 
n. sp. 
22 
Dmobolus 
n. sp. 1. 
68 
Salpingostoma canadensis 
23 
Dinorthis 
n. sp. 
69 
Smuites cf. 
bilobata 
24 
Hebertella 
maria 
70 
Trochonema 
umbilicata 
25 
Leptaena ? 
ceres 
71 
Conularia 
asperata 
26 
L. ? 
nitens 
72 
Pterotheca 
n. sp. 
27 
Lingula 
forbesi 
73 
Actinoceras 
anticostiensis 
28 
Parastrophia 
Ienticularis 
74 
A. 
sedgwicki 
29 
Pholidops 
n. sp. 
75 
Apsidoceras 
magnificum 
30 
Plectambonites sericeus 
76 
Ascoceras 
n. sp. 
31 
Protozeuga 
anticostiana 
77 
Billingsites 
canadense 
32 
Pseudolingula elegantula 
78 
B. 
newberryi 
33 
Rafinesquina 
n. sp. 
79 
Cycloceras 
crocus 
34 
Rhynchotrema anticostiensis 
80 
C. cf. 
nicolleti 
35 
R. 
perlamellosa 
81 
Endoceras 
proteiforme 
36 
Strophomena fluctuosa 
82 
Orthoceras 
seiboldi 
37 
S. 
hecuba 
83 
Poterioceras 
obesum 
38 
S. 
n. sp. 
84 
Spyroceras 
bilineatum 
39 
Trematis 
ottawaensis n. 
85 
S. 
ferum 
var. 
86 
Triptoceras 
xiphiu3 
40 
Zygospira 
recurvirostra n. 
87 
Bollia 
semilunata 
var. 
88 
Bythocypris 
lindstrcemi 
41 
Byssonychia 
n. sp. 
89 
B. 
obtusa 
42 
Cyrtodonta 
anticostiensis 
90 
Krausella 
anticostiensis 
43 
C. 
harrietti 
91 
Macrocypris 
subcylindrica 
44 
c. ? 
insularis 
92 
Schmidtella 
sublenticularis 
45 
Pterinea 
bellilineata 
93 
Amphilichas 
n, sp. 
