276 



INDEX. 



H. carlhagiuimsis at Cardiff, 253. 

 H. carUisiana^ on its indigenousness 



in Britain, 246. 

 H. cespitum in a bag of nuts, 263. 

 H. desertortim, tenacity of life of, 



102. 

 H. elegans. See H. terresiris. 

 H.ericeiorum,\?,Q\2i\.edL. colony of, 94. 

 alive in alluvium, 142. 

 near Christiania, 197. 

 H»fraseri, tenacity of life of, 108. 

 H./nsca, falling with alder leaves, 



147. 



H. hortensis, tenacity of life of, 107. 



attempted colonization ofj 194. 



H. laciea, suspended vitality in, 



104. 



production of eggs by, after a 



dormant period, 104. 

 Bourguignat on colonization of, 



189. 

 in markets at Buenos Ayres, 



204. 

 in Britain, 252. 

 H, lapicida, eating into a pollard- 

 elm, 133, 135. 

 possible dispersal of,by currents, 



139- 

 planted in co. Durham, 193. 

 in New Jersey, 193. 

 //. lentiginosa, tenacity of life of, 



III. 

 H. Iwihata, near London, 251. 

 H. nevioralis, in New Jersey, 180, 



in Virginia, 180, 193, 200. 

 H. obvoluta, on its indigenousness in 



Britain, 247. 

 H. papilio, tenacity of life of, 1 10. 

 H. patipercula, tenacity of life of, 



no. 

 H. personata, in Ireland, 257. 

 H.pisana, tenacity of life of, 108. 

 colonized near Swansea, 188. 

 in Guernsey, and put down in 



Sark, 189. 

 put down at Southport, 190. 

 in Lancashire, 191. 

 in Sutherlandshire, 191. 

 on its indigenousness in Britain, 

 246. 



H.pODiatia, revival of, after submer- 

 sion in salt-water, 120. 

 at Buenos Ayres, 179. 

 colonization of, 186. 

 British history of, 235. 

 H.pitlchella, wide range of, 90. 

 H. pygmcea amongst leaves, 146. 

 H. rotundata carried by a wood- 

 louse, 155. 

 H. nifescens, shells of, broken be- 

 fore being swallowed by a 

 magpie, 160. 

 H. similaris, dispersal of, 136. 

 H. strigosa, dispersal of, 142. 

 H. tediformis, tenacity of life of, 



no. 

 H. terresiris,m Britain, 232, 263. 



in South Carolina, 233. 

 H. in7-ricnla^ tenacity of life of, no. 

 H. imdaia^ tenacity of life of, 109. 

 production of eggs by, after a 

 dormant period, 109. 

 H. veatchii, tenacity of life of, 108. 

 H. veymicidata, tenacity of life of, 

 106. 

 amongst horehoundatBarnsley, 

 201, 255, 263. 

 H. villosa, in Britain, 193, 253. 

 H. virgata, possible dispersal of, by 

 wind, 154. 

 carrying a smaller snail, 155. 

 amongst raisins, 263. 

 Hemphill, Mr., on dispersal by 



rivers, 142. 

 Henshall, J., on bivalves clinging 



to a newt, *]']. 

 Hero4i, probable dispersal by, 50, 



52- 

 a mussel carried by, 80. 

 Heynemann, D. F., on a bivalve 

 clinging to a newt, 72. 

 to crayfishes, 84. 

 Hibernation, has enabled snails to 

 overcome climatic barriers, 

 100. 

 sea- water resisted during, 120. 

 dispersal by birds during, 165. 

 Higgins, H. LL, on dispersal by 



rivers, 144. 

 Hoare, G., on a cockle clinging to 

 a sandpiper, 60. 



