124 



Merejkowsky, C 109 



Mereschkowsky, C '. 92, 109 



Metegcr, A - 109 



Meyen, F. J. F 109 



Mitrocoraa 23 



Morch, O. A. L 109 



Morphology, of the Campanularidse 1 



Moser, J. F 51 



Museum, of Natural History, State University of Iowa 9 



Nodder, P Ill 



Norman, A. M ^ 109 



North Atlantic Begion 26 



Nutting, CO 84, 110 



Obelaria 14,23,24,87,90 



gelatinosa 4, 5, 6, 18, 36, 88 



Obelia 2, 3, 6, 8, 9, 14, 16, 17, 18, 21, 22, 24, 53, 72, 87 



amphora ^. 9 



australis » 7, 83 



austrogorgia 8, 25, 73, 79 



bicuspidata 8,25,39,59,72,80 



borealis 25, 73, 85 



braziliensis 25, 73, 77 



commissuralis 9, 10, 12, 13, 16, 25, 73, 83 



corona 25,73,79 



dichotoma 25, 69, 73, 77, 80, 83 



dubia 7,8,25,73,76 



fragilis 25,72,87 



geniculata ■. 1,2,4,5,9,10,18,25,26,73,79 



gi-acilis 25,73,78,87 



griffini ". 25,73,87 



hyalina 9,10,25,73,76 



longicyatha 10 



longissima 6, 9, 10, 14, 18, 25, 26, 73, 85, 90 



marginata 7,8 



plicata 6, 25, 72, 78 



purpurea 17 



striata 8 



surcularis 74, 84 



Oceanidse 21 



Oken 110 



Opercularella 21, 22 



Orthopyxis 3, 6, 8, 14, 16, 17, 21, 23, 24, 25, 63, 64 



caliculata 17, 25, 26, 64, 66 ^ 



campanularia 15, 16 



clytioides 3, 25, 64, 66 



compressa.. - - 7, 8, 12, 13, 25, 64, 65, 67, 68 



crenata 25, 64, 67 



everta 12,13,25,64,67 



poterium 63 



Osbom, H. L 57 



Otocyst 15 



Paarmann, J. H 9 



Packard, A. S., jr 110 



Pallas, P. S 110 



Panceri, P 1 10 



Parfitt, E. A • 110 



Patagonian region 26 



Pennaria tiarella 62 



P&on, F., and Lesueur, C. A 72, 110 



Phialinse 16 



Phortis 23 



gibbosa 1 



xxrv 



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XVIII 



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XXIII 



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