INDEX. 



31 



Page. 



Poriocidaris purpurata 13 



Porocidaris sharreri 4, 23 



Pourtalesia jeffreysi 24, 25 



miranda 24 



wandeli 24 



Psammet'hinus atlanticus 23 



blainvillei 23 



punctulata, Arbacia 23 



purpurata, Poriocidaris 13 



purpureus, Spatangus 24, 25 



pusillus, Echinocyamus 24, 25 



Pygastrides relictus 24 



ravenellii, Clypeaster 24 



relictus, Pygastrides 24 



Rhiiioljrissus micrasterioides 24 



Rhy nchopygus caribbaearum 24 



rosaceus, Echinanthus 24 



rostellata, Neolanipas 24 



rostrata, Aerope 24 



Aeropsis 24 



rugosa, Cidaris 1> 13, 16, 23 



Dorocidaris 16 



Salenia goesiana 23 



pattersoni 23 



varispina 23 



Salenocidaris varispina 23 



saxatile, Diadema 22 



Schizaster fragilis 24 



orbignyanus 24 



sculpta, Podocidaris 23 



scutata, Habrocidaris 23 



Podocidaris 23 



semilunaris, Echinoneus 24 



setosum, Diadema 21, 22 



sexforis, Mellita 24 



sharreri, Histocidaris 4, 23 



Porocidaris 4, 23 



sigsbei, Conolampas 24 



eigsbei, Phormosoma 23 



I'aee. 



spatangoides, Macropneustes 24 



Spatangus atropos 25 



pectoralis 25 



purpureus 24, 25 



Sperosoma grimaldii 13, 21 



Stereocidaris ingolfiana 16, 17, 23 



Strongylocentrotus drobachiensis 24, 25 



Stylocidaris 10, 12 



affinis 7,10,11,12,23 



lineata 10, 23 



subangularis, Echinomctra 24 



subdepressus, Clypeaster 24 



Temnechinus maculatus 23 



Temnocidaris 3 



teretispina, Cidaris abyssicola, var 13 



testudiuata, Mellita 24 



thomsoni, Palseotropus 24 



Toxopneustes \ariegatus 23 



Tretocidaris 6, 12 



affinis 12 



annulata 5, 6 



bartletti 1, 6, 23 



tribuloides, Cidaris 23 



Eucidaris 23, 25 



Trigonocidaris albida 23 



Tripneustes esculentus 24 



Tromikosoma koehleri 23 



unicolor, Brissus 24 



urauus, Phormosoma 23 



TJrechinus naresianus 24 



variegatus, Toxopneustes 23 



varispina, Salenia 23 



Salenocidaris 23 



ventricosa, Meoma 24 



violaceum, Ara;osoma 17, 18, 19, 20 



viridis, Echinometra 24 



wallisi. Echinus 23 



wandeli, Pourtalesia 24 



o 



