INDEX 



Allan Hancock Foundation Publications of The University of Southern California, 

 Volume 8. Titles of papers and plate illustrations are in bold face. 



(Achelous) angustus, Portunus, 3 

 aculeatus, Phvllophorus, 



64, 108, 133, 184 

 Agassizia scrobiculata, 226, 298, 299, 339 

 albomaculata, Ophionereis, 32 

 albus, Echinus, 265 



Loxechinus, 255, 259, 265 



Strongylocentrotus, 265 

 alexanderi, Ophiocoma, 19 

 Alexandria magnifica, 295 

 Allocentrotus fragilis, 256,259,276,277 

 Amphichondrius, 22 



granulosus, 23 



laevis, 22,24,48 

 Amphicontus, 1 



minutus, 2, 4 

 amphilogus, Ophiodesmus, 33, 35, 58 

 Amphiodia, 24 



sculptilis, 24, 25, 50 

 Amphiophiura, 36, 40 



irregularis, 36, 38, 39, 54 



paucisquama, 38, 39, 40, 56 

 Amphioplus, 27, 28 



philohelminthius, 27,28,50 

 Amphiuridae, 15 

 anamesus, Lytechinus, 247, 248, 249, 



250, 253, 260 

 Anaperus, 77, 102, 120, 125 



carolinus, 121 



glasselli, 120, 122 



peruana, 119, 120, 121, 130 



peruanus, 120, 131 



peruviana, 63, 120 

 anceps, Cercodemas, 98 

 A new genus of Brittle Stars, 



Amphicontus, 1 

 anexigua, 91 



Neopentamera, 63, 69, 90, 91, 160 

 angustus, Portunus (Achelous), 3 

 annulata, Ophionereis, 32, 34 

 anomalus, Leptychaster (Parastropec- 



ten),201 

 antarcticus, Psolus, 148 

 Apentamera, 77, 89, 91 



lepra, 63, 68, 70, 89, 91,92, 160 

 Arbacia, 246 



incisa, 244, 245, 246, 250, 252 



spatuligera, 246, 250, 252 



stellata, 244, 245 

 Arbaciidae, 244 



A report on the echini of the warmer 

 Eastern Pacific based on the collec- 

 tions of the Velero III, 225 



Asteriidae, 210 



asteriscus, Hesperocidaris, 233, 234, 238, 



240, 241, 243 

 Astriclypeus, 317 

 Astropectinidae, 197 

 Astropyga pulvinata, 236, 250, 251 



variety venusta, 236 

 Athyone, 77, 118, 120 



glasselli, 63, 118, 119, 120 

 Athyonidium, 122, 123, 127 



chilensis, 64, 70, 74, 127, 128, 129, 



131 

 bairdi, Ophiacantha, 13 

 beebei, Pentamera, 63, 85, 86, 90, 158 



Thyonepsolus, 64, 65, 66, 137, 139, 



190 

 Benthopectinidae, 201 

 benti, variety zaca, Thyone, 119 

 bidentata, Thvone, 63, 6'5, 66, 67, 69, 104, 



105, 105, 170 

 Boletia rosea, 262 

 borealis, Encope, 322 

 briareus, Coronaster, 211 



Thyone, 72, 74, 119, 120, 121, 122 

 Brisaster, 340, 342 



townsendi, 298, 300, 340, 342 

 (Brisaster) Schizaster, townsendi, 340 

 Brissopsis, 340, 342 



pacifica,266,298,301,341 

 Brissus carinatus, 343 



latecarinatus, 303, 304, 307, 343 

 brissus, variety latecarinatus, Spatan- 



gus, 343 

 bullatum, Psolidium, 144 

 Caenocentrotus, 276 



gibbosus, 226, 255, 259, 265 

 calcigera, Pentamera, 74, 85 

 californica, Cucumaria, 63, 65, 66, 67, 



68,69,70,78,79,80,82,83,154 



Encope, 322, 329 



Ophiocnida, 25, 27, 50 

 californicus, Luidiaster, 201, 205, 206, 



216,218 



Spatangus, 305, 307, 345, 346 

 carinatus, Brissus, 343 

 carolinus, Anaperus, 121 

 Cassidulidae, 338 



Cassidulus pacificus, 226, 290, 291, 338 

 Centrechinidae, 235 

 Centrechinoida, 235 

 Centrechinus, 235, 237, 244 



mexicanus, 226, 235, 237, 242, 243 

 Centrocidaris, 234 



Doederleini, 226, 234, 242, 243 



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