Index to Desor s Synopsis. 



parastatus Hemiaster, 373 

 parastatLis Spatangus, 373 

 pareti Spatangus, 422 

 parkinsoni Pseudodiadema, 66 

 parkinsoni Schizaster, 392, 393 

 parkinsoni Spatangus, "392 

 parkinsoni Tripneustes, 132, pi. 18 

 parma Echinarachnius, 231 

 parvulus Catopygus, 191a (1858) 

 parvus Clypeaster, 227, 244 

 parvus Echinus, 454 

 parvus Pericosmus, 398 

 parvus Psammechinus, 454 

 passyanus Hemiaster, 385 

 passyanus Periaster, 385 

 patagonensis Echinus, 130 ^ 



patagonensis Hypechinus, 130, pi. 18 

 patagonensis Scutella, 234 

 patella Acrosalenia, Iv 

 patella Clypeus, 276, pi. 35 

 patella Galerites, 276 

 patella Hemicidaris, 62 

 patella Hypodiadema, 62 (1855 & 1856) 

 patella Nucleolites, 276 

 patellaris Echinites, 223 

 patellaris Echinus, 223 

 patellaris Eupatagus, 415 

 patellaris Lenita, 223, 224, pi. 27 

 patellaris Nucleolites, 223 

 patelliformis Cassidulus, 290 

 patelliformis Catopygus, 290 

 patelliformis Pygaster, 166 

 patelloïdes Lenita, 223 

 paucituberculatum Cyphosoma, 90 

 paucituberculatum Phymosoma, 90 

 paumardi Pyrina, 190 (1857), 191 (1858) 

 paulensis Scutella, 233, 234 

 paultrii Clypeopygu's7"274 

 paultrii Clypeus, 274 

 pectoralis Plagionotus, 405 

 Pedina, 59 (1856), 100, 490 

 pelagiensis Goniopygus, 95 

 Peltastes, 138, 139, £45, 147, 149 

 peltatus Echinus, 93^ 

 peltatus Goniopygus, 93, 94, pi. 14 

 peltata Salenia, 93 — " 

 peltiformis Caratomus, 251 

 peltiformis Clypeaster, 251 

 peltiformis Echinites, 251 

 peltiformis Echinus, 469 

 pendulus Hemipatagus, 417 

 pendulus Spatangus, 417 

 pentagonalis Clypeaster, 314 

 pentagonalis Pygurus, 314, 315 

 pentagoniferus Peltastes7~i47 

 pentagonifera Salenia, 147 

 pentagona Cidaris, 4 

 pentagonum Diadema, 433 

 pentagona Diplopodia, 433 

 pentagonum Pseudodiadema, 433 

 pentaponas Echinus, 237 

 pentapora Scutella, 237 

 pepo Salmacis, 109 

 perezii Holaster, pi. 38 [vide perrezii] 



perfectum 

 perfectum 

 perforata 

 perforât us 

 perforata 



Cyphosoma, 8a 90 

 i,"^, 487 



Phymosoma, 



Cidaris, 12 



Goniopygus, 60 (1856), 430 



Hemipedina; 60 (1856), 429 

 432b 



perforata Salenia, 479 

 Periaster, 382^ 389, 395, 396, 397 

 percultus 'Opechinus, 108 

 Pericosmus, 396 



periqueti Pseudodiadema, 4S6 (vide per- 



riqueti) 

 Perischodomus, 157 

 perlata Cidaris, 14, 438 

 perlatus Echinu§7^25, 126 

 perlatus Stomechinus, 125^, 126 

 peronii Laganum, 229 ' 



perplexa Cidaris, 21, pi. 2 

 perplexus Prenaster, 402 

 perrezii Holaster, 336, 337 (vide perezii) 

 perriqueti DiademâT^o 

 perriqueti Pseudodiadema, 70 (vide pe- 

 riqueti) 

 personata Cidaris, 150 

 personata Salenia, ^49^ 150, 151 

 perspicillata Amphiope, 236 

 petaliferus Echinus, 149 

 petahfera Salenia, 149, 150, 151, 488, 

 ^^ pi. ^o 



petalodes Spatangus, 421 

 petrocoriensis Globator, 187 (1857), 188 



(18?^ 

 petrocoriensis Pyrina, 187 (1857), 188 



(1858) 

 philastarte Cidaris, 6 

 philippii Spatangus, 420 

 philipsii Cidaris, 32, pi. 5 

 phillipsiae Palaechinus, 159 

 phillipsii, vide philipsii 

 phrynus Hemiaster, 368, pi. 42 

 Phymechinus, 132; "3^ 

 Phymosoma, 50 1,1855), 86, 102, 131 

 picteti Diadema, 71 ~~' 

 pieteti Pseudodiadema, 71 

 pileus, 163, 167 

 pileus Pygaster, 167 

 pilos Arbacia, 116, 117 

 pilos Magnosia, 116 

 pilula Ananchytcs, 334 

 pilula Cardiaster, 334 

 pilula Holaster, 334 

 pilula Offaster, 334, 342 

 pilula Spatangus7^34 

 pinguis Collyrites, 205 

 pingue Pseudodiadema, 74 

 piniforme Pseudodiadema, 447 

 pisifera Cidaris, 34 

 pistillum Cidaris, 32, pi. 5 

 pisum Acrosalenia, 143 

 pisum Codechinus, ni, 487 

 pisum Codiopsis, 487, pi. 19 

 pisum Discoïdea, 176 

 pisum Hemiaster, 370 

 placenta Arachnoïdes, 230 



