INDEX 



TO SPECIES DESCRIBED OR NOTICED IN THIS VOLUME. 



[ The heavy-faced figures indicate a description of the species. ] 



Actiiiodc&ma cruciforme, (Conr.id) Hall, 



A. erectum, [ConvLul] lliiW, 



ACTINOPTEKIA, Sail, . 



A. auriculata, JTalt, . 



A. Boydi, {Conrad) Ball, 'Xi, 113, 



A, decussata. Hall, . 



A. delta, Sail. 



A. Doris, Sail, 



A. epsilou, Sail. . 



A. eta. Sail, . . . . 



A. eximia, Salt, . 



A, iota. Sail, . . . . 



A. Kappa, Sail, 



A. Leander, Hall, 



A. niuricata. Sail, 



A. perobliqua, (Conrad) Sail, 



A. perstrialis. Sail, 



A. pusilla. Sail, 



A. subdecussata, Sail. . 



A. teiiuistriata, Sail. . 



A. tlieta. Ball, 



A. zeta, Ball, 



AUocardium alternatum, Sail. . 



Ambonychia, Ball. 



ANOIIIA, L, . 



Athykis, McCoy, 



Avicir.A, Klein, .... 



A antjusHrostra, Conrad. 



A. bella. Conrad, . 



A. Boydii. Conrad, 



A. cancellata, Phillips. . 



A. Chemungensis, Conrad, . 



A. Chemungensis, Vanuxem, 



A. cruciformis, Conrad, 



A. decussata, Hall, 



A. erecta, Conrad, 



36, 107, 



7, 118, 160, 



111,118, 



. 181, 



. 123, 

 124, 

 107, 



118, 120, 



PAGE. 



. 153 



133 



129 



121 



16S 



160 



123 



109 



128 



126 



109 



127 



128 



109 



108 



116 



121 



117 



110, 113, 114 



119, 120 



. 125, 127 



123, 123 



expl. PI. 24 



252 



54 



2S 



36, 175 



113 



. 35 



116 



18 



98 



172 



156 



HI 



156 



3, 114, 11.1 



Avicula jiaicUa, Conrail, 



A. Icevis, Hall, . 



A longispina. Hall, 



A. muricata,\ia.\\, 



A. orbiculata. Hall, 



A. parilis, Conrad, 



A. pecieniformis, Conrad, 



A. peroMiqua, Conrad, 



A. pleuroptera, Conrad, . 



A. protexta, Conrad, . 



A. qxiadrula, Conrad, 



A reticulata, Sisinger, 



A. ? signata. Hall, . 



A. spinigera, Conrad, 



A. tricostaia, Vanuxem, . 



A. tuberculata, Conrad, 



AVICULOPECIEN, McCoy, 



A iEquilateralis, Sail, 



A. alius. Hall, 



A. altus, White, 



A. bellus, (Conrad) Hall, 



A caneellatus. Ball, . 



A. cancellatulus, McCoy. 



A. Caroli, ( Winchell) Ball. . 



A. celsus, Ball, 



A. Cleon, Sail. 



A. convexus. Sail. 



A. Coxanus, Meek tj- Worthen. 



A. dolabriformis, Sail, . 



A. duplicatus, Bali, . 



A. ellipticus. Ball, 



A. cxacutus. Ball. 



A. fascicnlatus. Ball, 



A. forniio, Sail, 



A. Salleanus, D'Orbigny, 



A. Idas, Ball, . 



1,3, 



1, 4, 



113, 114, H6, 



113,114, 

 183, 



113. 114, 



177, 



. expl. PI, 

 31, 45, 74, 90, 



35, 37, 3S, 

 . 16, 18, 



14, 16 



26, 



17, I'J, 



PAGE. 

 93 



168 



. 179 



108 



. 42 



4 



98 



117 



lis 



184 



115 



114 



29 



180 



4S 



15 



248 



19 



23 



23 



64 



20 



18 



29 



30 



6 



28 



90 



27 



23, 



5, 6, 8, 10, 

 11, 14, 22, 



9, 11, 12, 14, 



13, 20, 



25 



15 

 55 

 15 



20 

 22 



