VI THE NAUTILUS. 



Smith, Edgar A. (obituary) ...... 84 



Sonneratia rogersi Hall & Ambrose, n. sp. . . .69 



Strobilops floridana in New Jersey . . . . .72 



Strornbiformis lapazana Bartsch . . . . .134 



Strombina colpoica Dall, n. n. for C. subulata Sowb. . 28 

 Strombina fusinoidea Dall, n. n. for C. fnsiformis Hinds . 28 

 Strombina liacina Dall, n. sp. . 



Strombina paceana Dall, n. sp. . . . . .28 



Subemarginula golischae Dall, n. sp. . 61 



Subularia Monts. , on the status of . . . . 133 



Subularia metcalfei A. Ad. ... .133 



Teredo diegensis Bartsch, n. sp. . 48 



Teredo from the West Coast of America, a new. . . 47 



Unionidae ...... .13 



Unio giganteus Barnes, observations on . .61 



Unio, the Rafmesque Poulson collection of . .43 

 Valvata micra, note on ..... 



Vitrea (Paravitrea) conecuhensis Clapp .... 138 



Viviparus and Campeloma, new subspecies of . . .41 



Viviparus contectoides Binn. in Boston, Mass . . .72 

 Viviparus contectoides compacta Pilsbry, n. subsp. . 



Viviparus contectoides impolitus Pilsbry, n. subsp. . .41 

 Viviparus malleatus in Boston, Mass. 



Zachrysia, a new Cuban .... .49 



