N DEX 
teri NN AUTILUS, Vie lh. 
INDEX TO TITLES AND SPECIES DESCRIBED. 
peer 
Achatinide, note on the generic names of two groups of....... 92 
Amnicola missouriensis Pilsbry. D.sp..-.---.-----.---.++--+5- 43 
Amnicola Walkeri Pilsbry, n. sp......-- Fe CE I Pane cee 43 
Amnicolidz, notes on new and little Known............... .... 42 
Ammnicolide of the Western U nite@metates --. .......-----.:% 121 
PO nAri einen Wall, 0. (Sp... . AE ace 2 A Sait OTD 
Anodonta imbecillis, hermaphrodiae >. oh) Seer? ea 87 
Ashmunella Pilsbry and Cockerellfmagen...........-...-..---: 107 
Ashmunella pseudodonta (Dall) capitanensis Ashmun and 
Gockerelli my. sub-sp.... . . . Sigmar - OE een! cs! 
ibeudome. © .P, (ObiuiaaAry).... : See tess iece wae ea cee 80 
Bifidaria Ashmuni, a new species of Pupide........ rere see ts) 
Prodaria Ashimuni form: minor. .aaeege-: ---:--2s- 62s. tafaes) #92 
ipendaria, Mulliana Sterki, 0. sp... MeMeeee: 2.6.26 + ewes ss oye: gl 
Bifidaria hordeacella Pils, var. ie Sit Keli Welty <= ety) 128 
Bifidaria perversa Sterki, n. sp. 1 coo Oe arc eee 99 
Bifidaria quadridentata ,Sterki. n. sp.. “fe HAM e ane ee. MO 
Biologia Centrali Americana, Mollaten: Geview) Nes rive ee co 11 
CHE OVE Sie) IGS... 0 52) eer i 132 
Ceres Nelsoni Dall, n. sp....... e. Ae ean ne 2! 
Cerion Fordii Pils. & Van. (Figs. moo Re “ey (a teg a NL ee 27 
Sean Enisbiry: Pils. & Van. (Wieeeiia: 2-:5.:s-..2.-222 08. 27 
emicaro drainage canal, a day on theee..-.......:.-...:..2..-- 63 
nN MOLES ON Tew .:.------- SOMMeeen be euss il. oleate. 50 
Seanectine im the Great Smokies. Jgemeas,o.: 2.2.2.6: ek oe PEGE 
Collecting shells in the Klondike country ..................-... 109 
Columbella avara in Brazil and Uruguay.... ................. 45 
Conchology in the Klondike...........:.. PP A dopa ote Sh eine 24 
Conulus chersinus dentatus Sterki..-...... Se cinstse). co's AAG, Uh gta 
Conulus chersinus polvgyratus Pils., m. var...........:.... Bh ay 
Conus: Cheraimin (Sanya... ... SEMeMEIRRNR crate nie) fols es ecw ew 116 
Conulus chersinus trochulus ( Reinhardt)...................... 116 
Conulus fulvaigalaskensis Pils.,. Daywgiesee 0. <-s6s ees ers ss ea 116 
Conulus fulyasmortont. (Jeffrey s\eeeoerees 2 s&s cee renews 115 
(iii) 
