342 



U.S. NATIONAL MUSEUM BULLETIN 227 



annulata, Dorvillea, 231 



Eulalia, 85 



Stauronereis, 232, 233 

 annulatus, Stauronereis, 231 

 ansifera, Lepas, 57 

 antarctica, Austrolaenilla, 32 



Lumbrinereis, 260 

 Anthomastus grandiflorus, 36 

 Anthostoma acutum, 293, 294 



fragile, 290 



robustum, 288 

 anticostiensis, Arcteobia, 26 (fig.)) ^'^ 



Eucranta, 27 



Eupolynoe, 27 

 Antinoe angusta, 31 



mollis, 32 



sarsi, 30 

 Antinoella, 16, SO (key) 



angusta, 30, 31 (fig.) 



mollis, 32 



sarsi, 30, 31 (fig.) 

 Aphrodita, 11, 13 



aculeata, 13, 14 



hastata, 13, 14 (fig.) 

 Aphrodite aculeata, 13 

 Aphroditidae, 7, 8, 11 (key) 

 Aphroditoidea, 8, 10 

 aphroditois, Castalia, 107 



Eunice, 239 

 Apistobranchidae, 8, 295 

 Apistobranchus, S95 



tullbergi, 295, 296 (fig.), 298 (fig.) 

 Arabella, 152, 268, S69 



iricolor, £69, 270 (fig.) 



tricolor caerulea, 269 



opalina, 269 



quadristriata, 269 



spinifera, 275 

 Arabellidae, 10, 229, 230, S68 (kejO 

 Aracoda semimaculata, 269 

 arbuscula, Acanella, 35 

 Arcteobia, 16, 27 



anticostiensis, 26 (fig.), 27 

 arctica, Eteone, 73 

 arenaceodonta. Nereis, 149, 161, 162, 



163 (fig.), 166 (fig.) 

 arenae, Phyllodoce, 79 (fig.), S2 



Streptosyllis, 115 (fig.), 126, 127 

 arenicola, Sigalion, 48, 52 (fig.) 



Aricia, 280 



michaelseni, 282 



norvegica, 281 



nuda, 281 



ornata, 285 



sertulata, 280 



tullbergi, 295 

 Aricidea, 299, 303 (key) 



albatrossae, 303, 305, 306 (fig.) 



fragilis, 303, 305 



jeffreysi, 305 



jeffreysii, 303, 304 (fig.), 305 



nolani, 305, 307 



quadrilobata, 303, 304 (fig.) 



suecica, 303, 304 (fig.), 305, 307 



subg., 303 (key) 

 Ariciidae, 276 

 armadillo, Euphrosine, 63, 64 (fig.), 65 



Euphrosyne, 65 

 armata, Acanthogorgia, 36 



Laetmatonice, 11 

 armiger, Scoloplos, 285, 286, 287, 291 



(fig.), 292, 294 

 armigera, Scoloplos, 292 

 articulata, Dorvillea, 231 



Sthenelais, 50 

 articulatus, Stauronereis, 231, 233 

 artifex, Hyalinoecia, 254 

 Ascophyllum machaii, 173 



nodosum, 173 

 assimilis, Lumbriconereis, 265 

 Asterias amurensis, 37 

 atlantica, Drieschia, 22 

 augeneri, Lycastopsis, 151 

 aurantiaca, Alentiana, 20, 21 (fig.) 



Polynoe, 20 

 aurivillii, Lepas fascicularis, 57, 58, 59 

 australis, Platynereis, 154 

 Austrolaenilla, 16, 32 (key) 



antarctica, 32 



lanelleae, 21 (fig.), 32, 33 



mollis, 21 (fig.), 32 

 Autolytus, 112, 113, 137, 138 (key) 



alexandri, 138, 139, 140 (fig.), 141, 

 147 



cornutus, 138, 140 (fig.), 144 



emertoni, 138, 139, 140 (fig.) 



fallax, 144 



fasciatus, 138, 140 (fig.), 14i, 142 

 (fig.), 143 (fig.) 



hesperidum, 144 



longisetosus, 139, 141 



mirabilis, 145 



