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INDEX TO TRIVIAL AND GENERIC NAMES. 



Trivial names have a small initial. Generic names have a capital initial. 



abbreviatus Galerites, 184, 185, 489 

 acanthodes Echinus, 145 

 acanthodes Peltastes, 145, pi. 20 

 acicularis Cidaris, 36, pi. 7 

 acinum Hemicidaris, 63 

 acinum Hypodiadema, 62 (1855 and 



1856), 63 



acquoreus Cassidulus, 290 

 Acrocidaris, 83, 131 

 Acrocladia, 132, 137 

 Acropeltis, 85, 131, 138 

 Acrosalenia, 59 (1855), 61 (1856), 138, 139, 



140, 149, 442 



acuminatus Clypeaster, 242 

 acuminatus Hemiaster, 374 

 acuminatus Spatangus, 374, 392 

 acuminifera Cidaris, 28 

 acupicta Salenia, 152 

 acutus Clypeus, 313 

 acuta Collyrites, 205 

 acutus Conoclypus, 323 

 acutus Dysaster, 205 

 acuta Echinolampas, 323 

 acutus Micraster, Epiaster, 360, pi. 41 

 acutus Pygurus, 314 

 acutus Spatangus, 360, 363 

 admeto Cidaris, 59 (1855), 61 (1856) 

 admeto Hemicidaris, 59 (1855), 61 (1856) 

 admeto Hypodiadema, 59 

 aequalis Collyrites, 205 

 aequale Diadema, 65 

 aequalis Dysaster, 205 

 aequalis Pericosmus, 397 

 aequale Pseudodiadema, 65 

 aequidilatatus Conoclypus, 320 

 aequifissus Hemiaster, 385 

 aequifissus Periaster, 385, 386 

 aequifissus Schizaster, 385 

 aequituberculata Acropeltis, 86, pi. 14 

 affinis Catopygus, 284 

 affinis Clypeaster, 301 

 affine Diadema, 69 

 affinis Echinocyamus, 219 

 affinis Echinolampas, 301, 302, 303, 305, 



306, pi. 31 



affinis Fibularia, 219 

 affinis Glypticus, 96 

 affinis Hemiaster, 370 

 affinis Hemipatagus, 418 

 affine Pseudodiadema, 69 

 affinis Pygaulus, 253 

 affinis Spatangus, 418 

 africanus Hemipneustes, 349 



agariciformis Galeopygus, 168 



agariciformis Hyboclypus, 168, 489 



Agarites, 113 



Agassizia, 394 



agassizii Cidaris, 5 

 I agassizii Clypeaster, 240 

 1 agassizii Clypeus, 278 



agassizii Coelopleurus, 97 



agassizii var. a Coelopleurus, 98 



agassizii Collyrites, 207 



agassizii Echinolampas, 319, 320 



agassizii Nucleolites, 278 



agassizii Schizaster, 396 



alarici Brissopsis, 381 



alarici Hemiaster, 381 



alata Cidaris, 18, 19, pi. 2 



alberti Echinolampas, 306 



albogalerus Conulus, 182 



albogalerus Echinoneus, 182 



albogalerus Echinus, 182 



albogalerus Galerites, 181, 182, 183, 186 

 (1858), 187 (1858), 489, pl- 25 



albus Echinus, 136 



albus Loxechinus, 136 



alpina Codiopsis, 446 



alpina Fibularia, 219 



alpina Hemicidaris 54 



alpinus Catopygus, 270 



alpinus Echinobrissus, 270 



alpinus Echinocyamus, 219 



alpinus Nucleolites, 270 



alpinus Prenaster, 401, 402, pl. 43 



alsatica Cidaris, 58 



altavillensis Echinocyamus, 220 



altavillensis Scutella, 220 



alternans Cidaris, 45 



alternans Diplocidaris, 43, 45, 410, 485 



altissimus Hemiaster, 372, 384 



altissimus Periaster, 384 



altus Clypeaster, 239, 240 



altus Echinanthus, 240 



altus Echinus, 240 



altus Holaster, 338, 354 



altus Pericosmus, 398 



alutaceus Echinus, 122 



alutaceus Psammechinus, 122 



amalthei Cidaris, 10, pl. 3 



ambigena Scutella, 244 



ambigua Cidaris, 15, 449, 484 



ambigua Scutella, 220 



ambiguum Diadema, 68 



ambiguus Echinocyanus, 220 



Amblypneustes, 50 (1856), no, 111, 452 



