XVI TABLE OF CONTENTS. 



Page 



Ophiobyrsa, Lym 135 



hystricis, Lym 135 



Ophiomyxa, M. Tr 136 



serpentaria, Lym 136 



Astronyx, M. Tr 136 



loveni, M. Tr 136 



Gorgonocephalus, Lym 137 



lincki, M. Tr 137 



eucnemis, M. Tr 138 



V. ECHINOIDEA. 



Cidaris, Leske 139 



papillata, Leske 139 



purpurata, Wyv. Thorns 141 



gracilis, Slad 142 



Asthenosoma, Grube 143 



hystrix, Wyv. Thorns 143 



Phormosoma, Wyv. Thorns 144 



placenta, Wyv. Thorns 144 



uranus, Wyv. Thorns 145 



Echinus, Agass 145 



acutus, LamJc 146 



norvegicus, Dub. £f Kor .♦ . 147 



microstoma, Wyv. Thorns 149 



miliaris, Gmel 150 



esculentus, L 152 



elegans, Dub. 6f Kor 154 



Strougylocentrotus, Brandt 155 



droebuchiensLS, 0. F. Mull 156 



lividus, La ml- 157 



Sphrerechinus, Desor 158 



granulans, Larnk. 158 



Echinocyamus, Van Phels 160 



pusillus, 0. F. Mull 160 



Neolampas, A. Ay 162 



rostellata, A. Ay 162 



