12 



Eurydice. 



426 pulchra, Leach. 



427 truncata, Norman. 



428 polydendrica, Nor. <fe Steb. 

 Sphaeroma. 



429 serratum. Fab. 



430 rugicanda, Leach. 



431 Hookeri, Leach. 



432 curtum, Leach. 



433 Prideauxianum, Leach. 



434 granulatum, M. Edw. 



435 quadridentatum, Say. 

 Cymodocea. 



436 pilosa, M. Edw. 



437 truncata, Leach. 

 Dynamene. 



438 versicolor, Rathke, = D. rubra and 



viridis, Leach, = D. varians, 

 Stebbing. 

 Najsa. 



439 bidentata, Adams. 

 Campecopea. 



440 hirsuta, Mont. 

 Limnoria. 



441 lignorum, Rathke. 

 Glyptonotus. 



442 entomon, Lin. 



443 Sabini, Kroyer. 



444 caecus, Say. 



445 Tuftsii, Stimpson. 

 Idotea. 



446 prismatica, Risso, = I. parallela, 



B. & W. 



447 marina, Lin, = I. tricuspidata and 



pelagica, B. & W. 



448 phosphorea, Harger. 



449 metallica, Bosc, = I. robusta, Kroyer. 



450 emarginata, Fab. 



451 hectica, Pallas. 



452 linearis, Lin. 



453 acuminata, Leach, = I. appendiculata, 



M. Edw. 

 Edotea. 



454 bicuspida, Owen. 



455 triloba, Say. 



456 montosa, Stimpson. 

 Cleantis. 



457 filiformis, Say. 



458 attenuata, Harger. 

 Astacilla. 



459 longicornis, Sow. 



460 intermedia, Goodsir. 



461 gracilis, Goodsir. 



462 danmoniensis, Stebbing. 



463 Deshayesii, Lucas, = A. linearis, 



Stebbing. 



464 granulata, G. O. Sars, = A. americana, 



Harger. 



465 affinis, G. O. Sars. 



466 pusilla, G. O. Sars. 



Arcturus. 



467 Baffini, Sabine. 



468 tuberosus, G. O. Sars. 



469 hystrix, G. O. Sars. 

 Nannoniscus. 



470 bicuspis, G. O. Sars. 

 Asellus. 



471 aquaticus, Lin. 

 Janira. 



472 maculosa, Leach. 

 Jaera. 



473 albifrons, Mont. 



474 Nordmanni, Rathke. 

 Leptaspidia. 



475 brevipes, B. & W. 

 Dendrotium. 



476 spinosum, G. O. Sars. 

 Pleurogonium. 



477 rubicundum, G. O. Sars. 



478 spinosissimum, G. O. Sars. 

 Paramunna. 



479 bilobata, G. O. Sars. 

 Munna. 



480 Boeckii, Kroyer. 



481 limicola, G. O. Sars. 

 Ichnosoma. 



482 bispinosum, G. O. Sars. 



483 quadrispinosum, G. O. Sars. 

 Macrostylis. 



484 spinifera, G. O. Sars. 

 Desmosoma. 



485 lineare, G. O. Sars. 



486 armatum, G. O. Sars. 



487 aculeatum, G. O. Sars. 

 Ilyarachna. 



488 longicornis, G. O. Sars. 



489 hirsuta, G. O. Sars. 



490 hirticeps, G. O. Sars. 



491 coronata, G. O. Sars. 



492 clypeata, G. O. Sars. 

 Munnopsis. 



493 typica, M. Sars. 



