;o8 



NORTH AMERICAN INDEX FOSSILS. 



581. 



Typhis curvirostratus, L, a 



*583. 



T. obesus, M, a 



*592. 



Mitra staminea, a 



612. 



Cancellaria conradiana, M, a 



*625. 



Pleurotoma albida, M, a 



*630. 



Drillia ostrearum, M, a 



*63i. 



D. abundans, L, a 



637. 



Conus planiceps, a 



680. 



Limnaea meeki, b 



681. 



L. shumardi, b 



690. 



Planorbis vetustus, b 



691. 



P. leidyi, b 



Malacostraca. 

 38. Callianassa oregonensis, c 



Arachnida. 

 Parattus evocatus, b 

 P. latitatus, b 

 P. resurrectus, b 

 Titanoeca hesterna, b 

 T. ingenua, b 

 Linyphia retensa, b 

 Tethnaeus hentzii, b 

 Epeira abscondita, b 



Insecta. 

 Lepisma platymera, b 

 Tyrbula russelli, b 

 Nanthacia torpida, b 

 Agathemera reclusa, b 

 Labiduromma exsulatum, b 

 Palaeothrips fossilis, b 

 Homoeogamia ventriosa, b 

 Zetobora brunneri, b 

 Cremastorhynchus stabilis, b 

 Acalyptus obtusus, b 

 Cryptorhynchus profusum, b 

 Anthonomus reventus, b 

 Entimnus primordialis, b 

 Spermophagus vivificatus, b 

 Bruchus anilis, b 

 Oryctoscirtetes protogaeum, b 

 Chrysomelites alaskanus, c 

 Parolamia ridus, b 

 Chauliognathus pristinus, b 

 Epiphanis deletus, b 

 Oxygonus mortuus, b 

 Prometopia depilis, c 



Nomaretus serus, b 

 Myas rigefactus, b 

 Amara powelli, b 

 Bembidium exoletum, b 

 Atocus defessus, b 

 Protostephanus ashmeadi, b 

 Ichneumon petrinum, b 

 Aphaenogaster longaeva, c 

 Dolichoderus obliteratus, c 

 Formica arcana, c 

 Stenogomphus carletoni, b 

 Trichocnemis aliena, b 

 Ephemera howarthi, b 

 Inocellia veterana, b 

 Rhaphidia? tranquilla, b 

 Osmylus requietus, b 

 Bothromicromus lachlani, c 

 Palaeochrysa stricta, b 

 Setodes abbreviata, b 

 Hydropsyche marcens, b 

 Neuronia evanescens, b 

 Phryganea labefacta, b 

 Limnophilus soporatus, b 

 Jupiteria charon, b 

 Lithopsyche styx, b 

 Nymphalites obscurus, b 

 Prodryas persephone, b 

 Prolibythea vagabunda, b 

 Psecadia mortuella, b 

 Stolopsyche libytheoides, b 

 Barbarothea florissanti, b 

 Lithortalis picta, c 

 Sciomyza revelata, c 

 Heteromyza senilis, c 

 H. detecta, b 

 Palombolus florigerus, b 

 Mycetophaetus intermedius, b 

 Pronophlebia rediviva, b 

 Mycetophila occultata, b 

 Sackenia arcuata, b 

 Gnoriste dentoni, b 

 Lasioptera recessa, b 

 Lithomyza condita, b 

 Sciara deperdita, c 

 Boletina sepulta, c 

 Trichonta dawsoni, c 

 Carmelus gravatus, b 

 Closterocoris elegans, b 

 Capsus obsolefactus, b 

 Eothes elegans, b 



