II CONTENTS. 



PAGE. 



THE CAMBRIAN FAUNAS OF CHINA Continued. 



Genus Acrotreta Kutorga (pis. 3, 4) 75 



Genus Discinopsis Matthew (pi. 4) 78 



Genus Billingsella Hall and Clarke (pi. 4) 79 



Genus Eoorthis Walcott (pi. 4) 81 



Genus Huenella Walcott (pi. 4) .... 85 



Genus Synlrophia Hall and Clarke (pi. 5) 85 



Order Gastropoda 86 



Genus Scenella Billings (pi. 5) 86 



Genus Matherella Walcott (pi. 5) . ... 87 



Genus Straparollina Billings (pi. 5) 88 



Genus Pelagidla Matthew (pi. 5) ... 88 



Genus Helcionella Grabau and Shimer (pi. 5) . .... 90 



Order Pteropoda 92 



Genus Hyolithes Eichwald (pis. 5, 6) . 92 



Genus Orthotheca Novak (pis. 5, 6) 94 



Order Cephalopoda .... 98 



Genus Cyrtoccras Goldfuss (pi. 6) 98 



Order Trilobita 99 



Genus Agnostus Brongniart (pis. 7, n) 99 



Genus Microdiscus Emmons (pi. 7) 102 



Genus Redlichia Cossmarm (pis. 7, 24) . 103 



Genus Albertella Walcott (pi. 12) .. 106 



Genus Dorypyge Dames (pi. 8) . . 107 



Genus Teinistion Monke (pi. 9) ... ... 109 



Genus Slephanocare Monke (pis. 7, 8) .113 



Genus Blackwelderia Walcott (pi. 9) 116 



Genus Damesella Walcott (pis. 9, 10) 123 



Genus Drepanura Bergeron (pis. 10, n) 129 



Genus Ptychoparia Corda (pi. 12) 130 



Subgenus Emmrichetta Walcott (pi. 13) 134 



Genus Liostracus Angelin 137 



Genus Conokephalina Brogger (pi. 13) ... 137 



Genus Crepicephalus Owen (pi. 13) . . 140 



Genus Lonchocephalus Owen (pi. 14) 143 



Genus Lwstracina Monke (pis. n, 14) 143 



Genus Proampyx Freeh (pi. 14) . 144 



Genus Pterocephahis Roemer (pi. 14) 146 



Genus Shantungia Walcott (pis. n, 14) 147 



Genus Inouyia Walcott (pi. 14) 149 



Genus Agraulos Corda (pis. 14, 15) . 155 



Genus Pagodia Walcott (pi. 15) 160 



Genus Lisania Walcott (pi. 15) 163 



Genus Solenopleura Angelin (pi. 17) 167 



Genus Chuangia Walcott (pis. 16, 17) 170 



Genus Menocephalus Owen (pi. 16) . . 172 



Genus Levisia Walcott (pis. 14, 1 6) 177 



Genus Ptychaspis Hall (pis. 16, 17, 21) 179 



Genus Anomocare Angelin (pis. 18, 19) .... 187 



Genus Anomocarella Walcott (pis. 19, 20, 2 1) 195 



Genus Coosia Walcott (pi. 2 1) 210 



Genus DolithometppHS Angelin (pis. 21, 22). . . . . . 215 



Genus Hysterolenus Moberg (pis. 22, 23) 219 



Genus Bathyuriscus Meek (pi. 23) 219 



Genus Asaphiscus Meek (pi. 23) 221 



Genus Illanurus Hall (pi. 23) 222 



Separated pygidia ... 224 



Order Ostracoda 225 



Genus Alula Matthew (pi. 23) 225 



Order Merostomata 228 



Genus Amiella Walcott 228 



