199 
INDEX TO THE FAMILIES, GENERA, AND SPECIES REFERRED 
TO IN VOLUME IL 
The Synonyms are Printed in Italics. 
The letters P.P. following a species denote that the fossil Las been found in a Palajozoic formation. 
PAGE 
AcROUBA, Agassiz . . . . . . . 133, 152, 187 
„ Brodiei, Wright . 
Amphiuka, Forbes 
,, Pratii, Forbes . 
Anseeopoda, Nardo 
Anthenea, Gray 
Aplocoma, Miinster 
Aechaster, Miiller Sf Troschel 
Aspiduba, Agassiz 
Asteracanthion, Miiller^ Troschel. 
AsTEBiADiE, Gray 
AsTERiAS, Linne. 
antiquus, Troost (P.F.) 
arenicola, Charlesworth ; see Astropecteu clavaeformis, Wright. 
constellatus, Thorent (P.F.) 
Cotteswoldice, Buckman ; see Astropecten Cotteswoldise. 
lielianthus, Lamarck (Madreporiform plate) 
obtusus, Ooldfuss .... 
Rhenanus, Miiller (P.F.) .... 
sphcerulatus, Young & Bird ; see Ophioderma Milleri, Phillips. 
tessallatus, Lamarck (Dermis and Tubercles) 
AsTEBiNA, Nardo . i 
AsTERiNiDiE, Gray . 
AsTEBiscus, Luidius 
AsTERONYX, Miiller Sf Troschel 
AsteeophydijE, Wright 
AsTEBOPsis, Miiller Sf Troschel 
AsTROGONiUM, Miiller Sf Troschel 
„ „ see Goniaster, Agassiz. 
„ cuspidatum, Miiller ^ Troschel (Osseous system) 
„ magnificum, Midler Sf Troschel (Osseous system) 
AsTROPECTiNiD/E, Miiller ^ Troschel 
AsTBOPECTEN, Linck ..... 
„ (description of) .... 
arenicolus, Forbes ; see Astropecten clavseformis, Wright. 
arentiacus, Linne (Section of Ray) 
„ „ (Osseous System) 
clavaeformis, Wright . . . . 
Cotteswoldise, Buckman . . . . 
„ var. Stamfordensis, Wright . 
„ var. Stonesfieldensis, Wright . 
40, 100 
153 
133, 134, 136, 15S, 187 
. 158 
39, 40 
. 42 
. 134 
."' 49 
133, 134, 136 
45, 99 
130, 164—168 
39, 40 
36 
36 
17 
37 
36 
12 
40, 44 
44 
47 
133, 139 
139 
49 
48 
7 
8 
40, 110, 184 
39,41, 185 
50, 113 
10, 11, 22 
. 125 
. 116 
. 118 
. 121 
