INDEX. 



[Italicized figures (as S5S) refer to pages where the name is defined, or where the distribution of the 



species is given.] 



Page. 

 Abra "TO 



longicallis 778 



var. americana 778 



Adrana 885 



Adranella 776, 858, 885 



casta 858 



JEimipecten. (See alto Pecten) 530,833 



irradians 830 



opercularis 830 



Amusiura. (See also Pecten) 8M, 829, 831, 833 



fenestratuin 84 1 



pleuronectes 826 



sp 8H 



Anmssiopecten 833 



burdigalensis 833 



Anomia 828 



Area adversidentata 842 



aurita 846 



caudata 855 



heterodonta 842 



pect unculoides 845 



j)rofundicola *44 



ArcidiP 842 



Astarte nana 798 



Aatartida- 798 



Axinodon 776, 795, 797 



ellipticus 795, 796 



Axinopsis 770, 794, 795 



cordata 795 



orbiculata 792, 794 



var. inequalis 7fi4 



Axinulus. (See also Cryptodon) 770, 790 



brevis 790 



Axinus 784 



crouliuensis 786 



fermgiiiosus 793 



Barbatia 842 



Bathyarca 776, 843 



abyssorum S43, 844 



anomala 843. .V44 



riilebreusis 843 



glacialis 843 



glomerula 843,844 



iniitata 843 



inaequisculpta 843,844 



pectunculoides 842, 845 



var. crenulata ... 843 



freilei 843 



grandis . . . 842, 843 

 orbiculata... 843 

 sept en tr io- 



nalis 843 



polycyma 843 



Proc. N. M. vol. xx- 



Page. 



Rath yaroa profundicola .- 843, .s It 



pteroessa 843 



I '. a t harca 776, 842 



adversidentata 842 



asperula 842, 843 



sagrinata 842, 843 



Bornia 77'. 



Callocardia 817 



( Vesicomya) dalli 817 



Camptonectes. (See also Pecten) 776, 828, 829 



arenatus 828 



gnenlandica 837 



lens 828 



striatns 828 



tigrinus 828 



Cardiolaria 851 



Cardiomya 776, 798 



abyssicola 806 



costellata . . . 808 



var. corpulenta 808 



curta 808 



gemma 809 



glypta 810 



mult icostata 807, ,sm 



ornatissima 810 



perrostrata 809 



sp 809 



striata 808 



Cetochonoa 776 



atypha *// 



niti<la 815 



Cetomy a 776 



sp .s '15 



Chlamys. (See also Pecten) . . 776, 837, 830, 831, 83:5 



benedicti .>.;/ 



clintoniiis 831, 838 



costellata S35 



islandica 827,834 



varia 8:14 



( 'In iris todon ? eanci-llatus r , "^ 



Clausina croulineusis 78ft 



Clidiophora 77H 



gouldiana 820 



inornata s'J.'/ 



t rilineata 820 



Crenella f ragilis 847 



Cryptodon 776, 784, 785, 795, 797 



( Axinulus) brevis 799 



crouliiH-nsis '86 



var. altus -7 



equalis 7w 



(Axinulus) ferruginosus 7.''-.'. 7!li 



tlcxiiosus 784,788 



897 



