232 



BULLETIN 37, UNITED STATES NATIONAL MUSEUM. 



Plate. 



Montacuta miuuscula 



Montaeula percompressa 



Muricidea inultangula 



Muricidea ostrearum 



Muricidea philippiana 



Myonera limatula 



Myonera ruginosa 



Nueula cancellata 77 



Nucula granulosa 86 



Nncula proxima? var. ovata 80 



Kucula subovata 81 



Nucula verrillii 82 



Pandora bushiana 88 



Pandora gouldiana 93 



Pandora trilineata 88 



Pecten costellata 77 



PecU-n gibbus, var. amplicostatus 93 



Pecten inland icus 77 



Periploma undulata 78 



Philobrya atlantica 93 



Plagioctcnium gibbus, var. amplicostatus . 93 



Psanimacoraa extenuata 92 



Pseudoneptunea multangula 76 



Pseudopythina compressa 83 



Pseudopythina rugifera 83 



Ketusa mayoi 75 



Rochefortia aleutica 83 



Rochefortia barbadeusis 83 



Rochefortia casta , 85 



Rochefortia' molleri 84 



Rochefortia pedroana 84 



Rochefortia plauata 84 



Rochefortia planulata 85 



Rochefortia tuiuida 83 



Rochefortia (tumidula var?) 85 



Rupellaria ? cancellata 91 



Scala cochlea 76 



Scala mitchelli 76 



Scala nitidella 76 



Scala retifera 76 



Scala seipio 75 



Scapharca prof undicola , 80 



Solemya grandis 77 



Sportella cahfornica 84 



Sportella pilsbry i 84 



Sportella stearusii 83 



'1 ell ina americana 92 



Telliua colorata 92 



Plate. 

 Tellina crystallina ......................... 92 



Tellina rtagellum ........................... 92 



Tellina georgiana .......................... 



Tellina iheringi ............................ 



Telliua promera ............................ 



Terebra floridana .......................... 



Terebra ruahii ............................. 



Terebra texana ............................. 



92 

 92 

 92 

 75 

 75 

 75 

 87 

 87 



Thyasira croulinensis 



Thyasira elliptica 



Thyasira equalis, var. alta 86 



Thyasira iuaequalis 87 



Thyasira plana 86 



Thyasira pygmaea 77 



Tindaria callistiformis 79, 80 



Tivela abacouis 90 



Tivela braziliana 89 



Tivela nasuta 89 



Transennella conradiua 90 



Transenella cubaniaha 90 



Transennella stimpsoui 88 



Umbraculum rushii 76 



Ventricola callimorpha 90 



Ventricola strigilliua 89 



Verticordia granulifera 82 



Yoldia casta 79 



Yoldia dissimilis 80 



Yoldia fraterna 79 



Yoldia frigida 78 



Yoldia inconspicua 78 



Yoldia intiata 79 



Yoldia iris 79 



Yoldia Jeffrey si 81 



Yoldia lenticula 79 



Yoldia lucida 79 



Yoldia minuscula 78 



Yoldia subangulata 78 



Yoldiella dissimilis 80 



Yoldiella fraterna " 79 



Yoldiella frigida 78 



Yoldiella inconspicua 78 



Yoldiella innata 79 



Yoldiella iris 79 



Yoldiella Jeffreys! 81 



Yoldiella lenticuia, var amblia 79 



Yoldiella lucida 79 



Yoldiella minuscula 78 



Yoldiella subangulata 78 



o 



