aurita (Conchoderma, Lepas) 377, 411 

 Augaptilus glacialis 322 

 aurantia (Xestoleberis) 373 

 australis (Eucopia) 63 

 Autonoe depressa 206 



— macronyx 207 



Baffini (Arcturus, ldothea) 236 



— — var. tube- 



rosus 237 

 bairdii (Cyprideis) 365 

 balænaris (Lepas) 379, 411 



(Lepas b. jun.) 377, 411 

 balænarum (Phalangium) 382 

 balanoides (Balanus, Lepas) 379, 411 

 balanus (Lepas) 377, 411 

 Balanus balanoides 379, 411 



— crenatus 373 

 Hameri 423 



— poreatus 377 

 Batei (Acanthephyra) 45 

 Bathymedon obtusifrons 157 

 behringiensis (Oediceros) 147 

 Bergendahlii (llyarachna) 247 

 bicuspis (Amphithoe, Neopleustes, Pa- 



ramphithoe, Pleustes) 161, 163 

 bicuspis (Syrrhoe) 145 

 bidentata (Oothrix) 318 

 bidenticulatus (Socavnes) 108 

 Binoculus piscinus 345, 411 

 bipes (Cancer, Nebalia) 282 

 bispinosa (Apherusa) 175 



— (Dexamine) 175 



— (Euthemisto, Themisto) 104 



— (Gitanopsis) 135 

 bispinosus (Amphilochus) 135 



(Halirages) 157 

 Boeckii (Neopleustes, Paramphithoë) 



160 

 Bolbroei (Selioides) 342 

 Bonnieri (Sphæronella) 251 

 boopis (Cyamus, Paracyamus) 228 

 Bopyroides hippolytes 251 

 Bopyrus abdominalis 250 



— Hippolytes 251 

 borealis (Caianus) 307 



— (Colossendeis) 408 



borealis (Conchoesia) 355 



— (Cythere) 364 

 (Hippolyte) 30 

 (Metopa) 137 



— (Monoculodes) 153 



— (Oediceros) 148 



— (Pandalus) 40 



— (Spirontocaris) 30 



— (Xanthocalanus) 318 

 boreas (Sclerocrangon) 12 

 Boreonymphon robustrum 404 

 Boreomysis arctica 67 



— microps 67 



— nobilis 66 

 scyphops 65, 421 

 subpellucida 67 



— tridens 65 

 Bosmina arctica 292 



obtusirostris 292 



var. alpina 292 

 — var. arctica 292 



Boreophausia inermis 56 

 Raschii 59 

 Bouvieri (Paralomis) 6 

 brachiata (Anthura, Calathura) 229 



— (Leptognathia) 273, 418 

 Brachiella rostrata 338 



Bradii (Cythere) 365 



branchialis (Lemæa) 348 



branchiata = brachiata 



Branchinecta paludosa 285, 411 



Branchipus paludosus 285 



brenda (Cypridina, Philomedes) 353 



brevicalcar (Halimedon, Oediceros, 

 Westwoodilla) 155 



brevicaudatus (Cyclops) 302 



brevicollis (Cordylochele) 384 



brevicollum (Nymphon) 396 



brevicornis (Amallophora) 314 

 (Cyclops) 411 

 (Ischyrocerus) 212 

 (Neopleustes, Paramphi- 

 thoë) 163 

 (Podocerus) 212 

 (Scolecithrix) 314 



breviremis (Leptognathia) 276, 421 



brevirostris (Cuma) 88 



