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 has been found in a Palajozoic formation. 



PAGE 



AcROURA, y/f/a«5?> . -. . . . . . 133, 152, 187 



Brodiei, Wright ........ 153 



Amphiuea, Forbes ...... 133, 134, 13G, 158, 187 



,, Pratii, Forbes . . . . . . . .158 



Anseeopoda, Nardo . . . . . . . 39, 40 



Anthenea, Gray . . . . . . . .42 



Aplocoma, Miinster . . , . . . , .134 



Aechaster, Mailer Sf Troschel . . . . . . .49 



AsPiDURA, Agassiz . . . . . . . 133, 134, 136 



A STERACANTHiON, il/wZ/er ^' TroscAe/. ..... 45,99 



AsTEEiAD^, Gray . . , . . .40, 100—130, 1G4— 168 



AsTERiAS, Linne. ....... 39, 40 



„ antiquus, Troost (P.F.) . . . . . . .36 



„ arenicola, Charlesworth ; see Astropecteu clavseformis, Wright. 



„ constellatus, Thorent (P.F.) . . . . . .36 



,, CotteswoldicB, Buckman ; see Astropecten Cotteswoldise. 



,, heliantlius, Zamaj-c^ (Madreporiform plate) . . . . .17 



„ obtusus, Goldfuss . . . . . . .37 



„ Rhenanus, Miiller (P.F.) . . . . . . .36 



„ sphcerulatus, Young & Bird ; see Ophioderma Milleri, Phillips. 



„ tessallatus, Lamarck (Dermis and Tubercles) . . . . .12 



AsTERTNA, Nardo . . . . . . . 40, 44 



AsteeiniDjE, Gray . . . . . . . .44 



AsTERiscus, Luidius . . . . . . . .47 



AsTERONYX, Miiller Sf Troschel ...... 133, 139 



AsTEROPHYDivE, Wright . . . . . . . .139 



Asteropsis, Miiller Sf Troschel . . . . . . .49 



AsTROGONiUM, Miiller 8f Troschel . . . . . . .48 



„ „ see Goniaster, Agassis. 



„ cuspidatum, Miiller ^ Troschel (Osseous system) . . . .7 



„ magnificum, Miiller Sf Troschel (Osseous system) . . . .8 



AsTROPECTiNiDiE, MiiZ/er ^ T/'osc^e^ ..... 40,110,184 



AsTBOPECTEN, Linck ....... 39,41,185 



„ „ (description of) . . . . . . 50,113 



„ arenicolus, Forbes ; see Astropecten clavseformis, Wright. 



„ arentiacus, Linn6 (Section of Ray) . . . . .4 



„ » „ (Osseous System) . . . . 10,11,22 



„ clavEeformis, Wright . . . . . . .125 



„ Cotteswoldise, ^Mc^wiaw . . . . . .116 



„ „ rar. Stamfordensis, Wright . . . . .118 



„ „ var. Stonesfieldensis, Wright . . . . .121 



