Ophiobyrsa. 



49 hystricis, Lyman ; (an arm only. 

 Ophiomyxa. 



50 pentagona, Lamarck. 

 Gorgonocephalus. 



51 Lamarckii, Lyman. 



52 eucnemis, M. and T. 



53 Agassizii, Stimpson. 



54 Lincki, D, and K. 

 Astrochele. 



55 Lymani, Verrill. 

 Asteronyx. 



56 Loveni, Miill and Tr. 



Order III. Asteroidea. 



Luidia. 



57 ciliaris, Phil. (=Savignii, Aud.) 



58 Sarsii, Diib. and Kor. 



Ctenodiscus. 



59 crispatus, Retz. 



Archaster. 



60 Parelii, Diib. and Kor. 



61 bifrons, Wyv. Thorn. 



62 tenuispinus, Dan. and Kor. 



63 americanus, Verrill. 



64 Agassizii, Verrill. 



65 Florae, Verrill. 



66 arcticus, M.^Sars. 



Porcellanaster. 



67 caeruleus, Wyv. Thorn. 

 Astropecten. 



68 irregularis, Linck. 



69 acicularis, Norman. 



70 andromeda, M. and T. 



71 aurantiacus, Gray. 



72 bispinosus, M. and T. 



73 pentacanthus, M. and T. 



74 platyacanthus, M. and T. 



75 subinermis, M. and T. 

 Odontaster. 



76 hispidus, Verrill. 

 Pteraster. 



77 militaris, O. F. Mull. 



78 pulvillus, M. Sars. 

 Diploteraster. 



79 multipes, M. Sars. 



Asterina. 



80 gibbosa, Pennant. 



81 Pancerii, Gasco. 



Asteropsis. 



82 capreensis, Gasco. 

 Chaetaster. 



83 longipes, M. and T. 

 Ophidiaster. 



84 ophidianus, Lamk. 



85 Lessonae, Gasco. 

 Asterias. 



86 rubens, Lin. 



87 violacea, O. F. Mull. 



88 hispida, Forbes. 



89 Forbesii, Desor. 



90 vulgaris, Stimpson. 



91 stellionura, Perrier. 



92 glacialis, Miiller. 



93 Mullen, M. Sars. 



94 Linckii, M. and T. 



95 groenlandica, Steens. 



96 polaris, M. and T. 

 Leptasterias. 



97 compta, Verrill. 

 Porania. 



98 pulvillus, Miiller. 



99 grandis, Verrill. 

 Palmipes. 



100 membranaceus, Retz. 

 Hippasteria. 



101 plana, Linck. 

 Pentagonaster. 



102 granularis, O. F. Miill. 



103 hispidus, M. Sars. 

 Solaster. 



104 papposus, Linck. 



105 furcifer, Dub. and Kor. 



106 endeca, Gmelin. 

 Pedicellaster. 



107 typicus, M. Sars (= A. palaeocrystal- 



linus, D. and S.) 



Cribrella. 



1 08 sanguinolenta, Miill. 

 Stichaster. 



109 roseus, O. F. Miill. 



1 10 albulus, Stimpson (=problema Stimp.) 

 Echinaster. 



in sepositus, Retz. 



Order IV. Echinoidea. 



Dorocidaris. 



112 papillata, Leske. 



