IV THE NAUTILUS. 



Bulimulus schiedeanus in Texas 132 



Bursa bubo L 80 



Bursa rubeta L 80 



Bursa tenuigranosa Smith 80 



Caecilioides gundlachi in Florida 131 



Campeloma lewisii Walker n. n. (PL V, f. 3) 126 



Campeloma ponderosum coarctatum Lea (PI. V, f. 4-7) . 125 



Carunculina Simpson, genus 68 



Carunculina parva Barnes 129 



Carunculina texasensis Lea 141 



Cephalopoda of the Hawaiian Islands 72 



Cephalopoda, West Coast 22, 23, 47 



Ceratodiscus ramsdeni Pils. (see Vol. 27, p. 134), PL I, f. 



6-8 1 



Circinaria caelata Mazyck, note on 12 



Cochlicopa lubrica in Western Pennsylvania 96 



Color ornamentation in fossil Brachiopods 93 



Correspondence from Japan and China 90 



Crenodonta perplicata Conr 21 



Cuba, land shells from Varadera (Cardenas) 106 



Cuba, land shells of 1, 49, 133, 136 



Diplopoma torrei Ramsden n. sp 134 



Ectracheliza truncata Gabb., a Hemisinus 84 



Elliptio lanceolatus Lea 32 



Emarginulinae, notes on West American 62 



Fusconaia selecta Wheeler n. sp. (p. 4) 76 



Fusconaja askewi Marsh 20 



Gonidea angulata 143 



Gundlachia, the earliest notice of a species of the genus. 128 



Gundlachia or Navicella ? 132 



Helix hortensis from a Maine shell heap 131 



Hemisinus in Antillean Oligocene 84 



Hemphillia glandulosa B. & B 87 



Hemphill, Henry (obituary) 58 



Lasmigona Raf 40 



Lastena lata Raf 106 



Leptachatina cookei Pils. n. sp 61 



Lexiiigtonia Ortmann n. gen 28 



Lexingtonia subplana Conr 29 



Lucidella tantilla Pils. (PL II, f. 5) 50 



Lymnaea auricularia Lea 119 



Lymnaea emarginata mighelsi, absent in old localities ... 95 



Lymnaea, classification of 116 



Lymnaeids, a provisional key to the subgenera and species 



of North America 119 



