INDEX. 



473 



Diadema, Gray ...... 



aequale ; see Pseudodiadema homostigma. 

 cequale, Agassiz; see Pseudodiadema aequale. 

 affine, Agassiz ; see Pseudodiadema affine. 

 Bakeries, Woodward ; see Pseudodiadema Bakerise. 

 Bechei, Broderip ; see Hemipedina Bechei. 

 complanatum, Agassiz ; see Pseudodiadema complanatum. 

 Davidsonii, Wright ; see Pseudodiadema mamillanum. 

 depressum ; see Pseudodiadema depressum. 

 hemispkeericurn. Agassiz ; see Pseudodiadema hemisphsericum. 

 homostigma ; see Pseudodiadema homostigma. 

 incequale, Agassiz ; see Pseudediadema insequale. 

 Lamarekii, Desmoulins ; see Pseudodiadema bemisphsericum. 

 mamillanum, Roemer ; see Pseudodiadema mamillanum. 

 Mooreii, Wright ; see Pseudodiadema Mooreii. 

 Orbignyanum, Cotteau ; see Pseudodiadema Orbignyanum. 

 pentagonum ; see Pseudodiadema pentagonum 

 placenta, Agassiz (F.S.) • see Pseudodiadema placenta. 

 pseudodiadema, Agassiz ; see Pseudodiadema hemisphaericutn. 

 spinososum, Agassiz ; see Pseudodiadema mamillanum. 

 subangulare ; see Pseudodiadema versipora. 

 superbum, Agassiz ; see Pseudodiadema superbum. 

 tetragramma, Agassiz ; see Pseudodiadema tetragramma. 

 transversum, Agassiz ; see Pseudodiadema hemisphaericum. 

 vagans ; see Pseudodiadema vagans. 

 versipora; see Pseudodiadema versipora. 

 DiADEMAD-ffi, Wright ..... 



Diademopsis Mooreii, Desor ; see Pseudodiadema Mooreii. 

 Diplocidaris, Desor ..... 



,, Desori, Wright .... 



,, gigantea, Agassiz (F.S.) 



,, Wrightii, Desor .... 



Diplopodia pentagona, McCoy; see Pseudodiadema pentagonum. 

 „ subangulare, Agassiz ; see Pseudodiadema versipora. 



Disaster Agassizii, Wright ; see Collyrites ovalis. 

 ,, analis, Desmoulins ; see Collyrites ovalis. 

 „ anasteroides, Leymerie (F.S.) 

 ,, avellana, Agassiz ; see Collyrites ovalis. 

 ,, bicordatus, Agassiz ; see Collyrites ovalis. 

 „ ellipticus, Lamarck ; see Collyrites elliptica. 

 „ Eudesii, Agassiz ; see Collyrites ringens. 

 ,, granulosus, Goldfuss (F.S.) 

 „ Moeschii, Desor (F.S.) .... 



,, propinquus, Agassiz ; see Collyrites bicordata. 

 „ ringens, Agassiz ; see Collyrites ringens. 

 ,, Robinaldinus, Cotteau ; see Collyrites ovalis. 

 ,, symmetricus, McCoy ; see Collyrites ovalis. 



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