I 2 



Index to Desors Synopsis. 



Amblypygus, 247, 249, 255 

 ambulacrum Schizaster, 392 

 ambulacrum Spatangus, 392 

 americanus Amblypygus, 256 

 amnion Macropneustes, 41 1 

 Amphidetus, 406 

 Amphiope, 230, 235 

 ampla Cidaris, 484 

 ampla Dysaster granulosus var., 202 

 amplus Echinobrissus, 266 

 amplus Hemiaster, 392 

 amplus Holaster, 337 

 amplus Nucleolites, 266 

 amplus Schizaster, 392 

 amplus Toxaster, 353, 355 

 ampla Toxaster complanatus var., 353 

 amygdala Cassidulus. 290 

 amygdala Echinolampas, 304 

 amygdala Hemiaster, 359 

 amygdala Holaster, 359 

 amygdala Isaster, 359 

 amygdala Spatangus, 359 

 anachoreta Conoclypus, 319, pi. 33 

 analis Ananchytes, 335 

 analis Collyrites, 203, 205. 206 

 analis Disaster, 142 

 analis Dysaster, 206 

 analis Nucleolites, 262, 297 

 analis Trematopygus, 262 

 Ananchytes, 328, 329 

 ananchytis Cardiaster, 337, 345, 346, 



pl. 39 



ananchytis Spatangus, 345 

 ananchytoides Spatangus, 363, 365 

 Anaster, 217 



anasteroides Dysaster, 202 

 anceps Cidaris, 453 

 anensis Stomechinus, 129 

 angulare humile Scutum, 244 

 angularis Acrosalenia, 140 

 angularis Hemicidaris, 140 

 angulata [err. pro cingulata] Cidaris, 



pl. 2 



angulatus Echinolampas, 302, 306 

 angulosa Galerites, 183 

 angulosum Laganum, 228 

 angulosus Echinocyamus, 218 

 angusta Brissopsis, 379 

 angustipneustes Hemiaster, 371, 373 

 angustiporus Clypeus, 276 

 annonii Echinocyamus, 226 

 annonii Sismondia, 226 

 annulare Diadema, 72 

 annulare Pseudodiadema. 72 

 anonii Diplopodia, 76 

 Anorthopygus, 188a (1858), 189 

 antarctica Faorina, 423 

 anthophora Salenia, 151, pl. 20 

 anticus Hemiaster, 377 

 anticus Spatangus, 364 

 antiquata Cidaris, 426 

 antiquus Brissus, 405 

 antiquus Echinus, 125 

 antiquus Galerites, 169 



antiquus Holectypus, 169, 170 

 apertus Galerites, 488 

 apertus Stomechinus, 127 

 apheles Amblypygus, 255, pl. 30 

 apicalis Faujasia, 317, pl. 33 

 apicalis Pygurus, 317 

 apiculatus Goniophorus, 146, pl. 20 

 approximatus Nucleolites, 261 

 aquitanicus Epiaster, 359 

 aquitanicus Isaster, 359, 360 

 aquitanicus Micraster, 359 

 aquitanicus Spatangus, 359 

 Arachnoides, 217, 230 

 Arbacia, 102, 113, 114 

 Archaeocidaris, 153, 154 

 archiaci Coptosoma, 92 

 archiaci Diadema, 77 

 archiaci Diplopodia, 77 

 archiaci Hemicidaris, 92 

 archiaci Hemipatagus, 416 

 archiaci Nucleolites, 260 

 archiaci Spatangus, 416 

 archiaci Trematopygus, 262 

 Archiacia, 249, 324 

 arcuarium Echinocardium, 407 

 arcuarius Spatangus, 407 

 arenata Echinopsis, 99 

 arenatum Diadema, 99 

 arenatus Echinus, 125 

 arenatus Holectypus, 171 

 arenatus Micraster, 363, 364 

 arenata Pedina, 101 

 arenatus Polycyphus, 1 18 

 areolatus Cidarites, 150 

 areolatus Echinus, 149 

 areolata Salenia, 147, 150 

 areolatus Temnopleurus, 105 

 argilaceus Echinospatagus, 354 

 argilaceus Spatangus, 354 

 argilaceus Toxaster, 354 

 arietis Cidaris, 25, pl. 3 

 armata Cidaris, 426 

 arnoldi Amblypygus, 256, 452 

 aroviente Pseudodiadema, 68 

 aroviente Stomechinus, 128 

 aspera Acrosalenia, 145, pl. 20 

 aspera Cidaris, 6 

 aspera Pedina, 10 r, 487 

 aspera Pedina sublaevis, var., 101 

 asperula Cidaris, 34, pl. 6 

 asperulatus Pericosmus, 398 

 astensis Echinus, 120 

 asterias Hemiaster, 370 

 asterias Spatangus, 421 

 Asteropyga, 83 

 Asterostoma, 163, 196, 326 

 ataciana Pyrina, 191a (1858) 

 atropos Moera, 394, pl. 43 

 atropos Spatangus, 394 

 attenuatum Laganum, 228 

 augusti Rotula, 238 

 australis Desoria, 424 

 austriaca Cidaris, 20, pl. 2 

 authentica Cidaris, 28, pl. 4 



