Helex aspersa 51 



Laothae augustifolium 12 



Limax flavus 61 



" maximus 61 



Nemacladus adenophora 1 1 



Noctua havilae 13 



Punctum conspectum 49 



Punctnm californicum 49 



Plantago bigelovi 1 1 



Pronoctua pyrophiloides 13 



Phyllospadix torreyi 12 



Pupoides chordata 50 



Pupa orcutti 57 



" sterkiana 57 



Pyramidula cronkhitei 49 



Rusticus monticola 12 



Streptanthus cordatus . . . 1 1 



Stylopoda auxia 13 



Sesia rutilans • 67 



" animosa 67 



Succinea grosvenori 62 



" oregonensis 63 



S. stretchiana 64 



Succinea sillimani 63 



Thecla spadex 12 



Trichoclea nora 13 



Thysanophora ingersolli 49 



Vallonia pulchella 56 



Viola tricolor 11 



Vertigo californica ^ 



occidentalis 58 



ovata 58 



rowelli 58 



Yitrina alaskana 59 



cellaria 59 



diegoensis 59 



Zonites shepardi 60 



Zonitoides arborens 60 



milium 60 



miniscules 60 



pugetensis 60 



Zephyranthes longifolia 12 



