CONTENTS OF VOL. IV. 



1. THE SPECIES OF THE PACIFIC COAST. 



PAGE 



LIMACEA : ARION ......... 6 



LIMAX 6 



HELICEA : SUCCINEA 6 



HELIX ......... 7 



BULIMUS 24 



ACHATINA 26 



AURICULACEA: MELAMPUS 26 



ACICULACEA : TRUNCATELLA 28 



2. THE SPECIES EAST OF THE ROCKY MOUNTAINS. 



LIMACEA : YAGINULUS 29 



TEBENNOPHORUS 30 



ARION 31 



LIMAX 31 



HELICEA: VITRINA 32 



SUCCINEA 34 



HELIX 43 



BULIMUS 125 



MACROCERAMUS 137 



ACHATINA .* 138 



GLANDINA 139 



PUPA 141 



VERTIGO 148 



CYLINDRELLA . 149 



AURICULACEA 152 



MELAMPUS 156 



ALEXIA 172 



BLAUNERIA 175 



LEUCONIA . . . . . . . .177 



CARYCHIUM 178 



ACICULACEA : TRUNCATELLA 184 



CYCLOSTOMACEA : CHONDROPOMA 190 



HELICINACEA . ... ... 191 



HELICINA 192 



