No. 89.1 



29 



45 Cumingia ; 



46 Sanguinolaria miniata ; 

 47-Tellina rufescens, 



48 Tellina broderipii, 



49 Tellina ? mazatlanica, 



50 Tellina dombei, 



51 Tellina felix, 



52 Tellina straminea, 



53 Tellina donacilla, 



54 Tellina punicea, 



55 Tellina ? cumingii, 



56 Tellina ? eburnea, 



57 ? Tellina regularis, 



58 Tellina lamellata, 



59 Tellina ?puella, 



60 Tellina ?delicatula, 



61 Tellina brevirostris, 



62 Tellina ? denticulata, 



63 Tellina , 



64 Tellina ; 



65 Tellidora burnettii ; 



66 Strigilla (Tellina) carnaria, 



67 ? Strigilla lenticulata ; 

 68 . 



FAMILY DONACID^. 



69 Ipbigenia altior, 



70 Iphigenia ? laevigata ; 



71 Donax carinatus, 



72 Donax rostratus, 



73 Donax transversus, 



74 Donax assimilis, 



75 Donax puncto-striatus, 

 75i Donax puncto-striatus var. 



[caelatus, 



76 Donax conradi, 



77 Donax navicula. 



FAMILY MACTRID^. 



78 Mactra exoleta, 



79 Mactra (Spissula) fragilis, 



80 Mactra (Mulinia) angulata ; 



81 Gnathodon (Rangia) mendicus. 



FAMILY VENERID.E. 



82 ? dementia gracillima ; 



83 Trigona radiata, 



84 Trigona humilis, 



85 Trigona argentina, 



86 Trigona ? crassatelloides, 



87 Trigona planulata ; 



88 Dosinia ? ponderosa, 



89 Dosinia annae, 



90 Dosinia dunkeri ; 



91 (Jyclina subquadrata ; 



92 Dione aurantia, 



93 Dione chionasa, 



94 Dione rosea, 



95 Dione lupinaria, 



96 Dione ?vulnerata, 



97 Dione ? brevispinosa, 



98 Dione circinata, 



99 Dione concinna ; 



100 Cytherea petecbialis ; 



101 Venus (Chione) gnidia, 



102 Venus (Chione) amatbusia, 



103 Venus ( ? Chione) , 



104 Venus ( ? Chione) distans, 



105 Venus (Chione) crenifera, 



106 Venus (Chione) ? undatella, 



107 Venus (Chione) columbiensis, 



108 Venus ( ? Chione) ; 



109 Tapes histrionica, 



110 Tapes grata, 



111 Tapes squamosa ; 



112 Anomalocardia subrugosa, 



113 Anomalocardia subimbricata. 



FAMILY ASTARTID^. 



114 Circe margarita, 



115 ? Circe subtrigona ; 



116 Gouldia pacifica, 



117 Gouldia varians ; 



118 Cardita californica ; 



119 ? Venericardia ; 



120 ? Trapezium . 



FAMILY CHAMID^. 



121 Chama frondosa var. mexicana, 

 1216 Chama ?frondosa uflir.fornicata, 



122 Chama spinosa, 



123 Chama ?exogyra. 



FAMILY CARDIADiE. 



124 Cardium(Laevicardium) elatum, 



125 Cardium procerum, 



126 Cardium ?senticosum, 



127 Cardium (a), 



128 Cardium (J), 



129 Cardium (c), 



130 Cardium {d), 



131 Cardium (e), 



132 Cardium (/), 



133 Cardium alabastrum, 



134 Cardium graniferum, 



135 ?Cardiuni {g). 



FAMILY LUCINID^. 



136 Lucina (Codakia) tigerina, 



137 Lucina ? punctata, 



