VI 



THE NAUTILUS. 



Smith, Edgar A. (obituary) 84 



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



Strobilops floridana in New Jersey . . . . .72 



Strombiformis lapazana Bartsch ..... 134 



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

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

 Strombina liacina Dall, n. sp. . . . . . .28 



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 Rafinesque — Poulson collection of . . .43 

 Valvata micra, note on . . , . . . .83 



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. . . 42 

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



Viviparus malleatus in Boston, Mass 48 



Zachrysia, a new Cuban 49 



