INDEX TO GENERA. 



XXlll 



Goniostomns 



Gonodmi 



Gonospira 



Gonostoma 



Gonijodiscus 



Goodaliia 



Gouldia . 



6h'anaria 



Gryphsea 



Grijphus . 



Guettera . 



Guilfordia 



Gidnaria 



Gundlachia 



Guttiimium 



Gymnojilax 



Gi/7-aidios 



Gi/rhia . 



Gynneum 



Gyrorbis 



Gyrotoma 



Halia 



Halia 



HaUotidarius 



Haliotidea 



Hcdiotidea 



Haliotis . 



Haliotis . 



Hamadryas 



Haininea 



Hamus . 



Hanleya . 



Hapalus . 



Hapata . 



Harpa 



Hai-pago . 



Harpalis 



Harparia 



Harpella . 



Harpula . 



Harvella 



Hastula . 



Hatasia 



Hatlna . 



Haustator 



Haustator 



Haiistellaria 



Hcmitellaria 



Haustellum 



Hebra 



Hecuba . 



Helcion . 



Heliacus 



Helicarion 



Helicella 



Helicella 



