134 CALIFORNIA ACADEMY OF SCIENCES [P«oc. 4th Se«. 



hemphilli Dall, Semele decisa Con., Astrcea undosa Wood, 

 Conus calif ornicus Hds., Crucibulum spinosum Sby., CyprcBa 

 spadicea Gray, Murex carpenteri Dall, Fusus barbarensis 

 Trask, Gyrineum calif ornicum Hds., Siphonalia kellettii Fbs., 

 Trophon belcheri Hds., Trophon triangulatus Carp., Polinices 

 recluzianus Desh., Strongylocentrotus franciscanus Ag. 



V. Gulf of California (Cerros Island, Lower California, 

 to Panama, lat. 28° to 8° 30' N., min temp. 68° F.). Area 

 grandis Sby., Area multicostata Sby., Area paeiHea Sby., Area 

 tuberculosa Sby., Avieida peruviana Rv., Chione gnidia Sby., 

 Chione negleeta Carp., Cardium proeerum Sby., Codokia dis- 

 tinguenda Tryon, Crassatellites gibbosus Sby., Dosinia dunkeri 

 Phil., Dosinia ponderosa Gray, Maerocallista aurantiaea Sby., 

 Maerocallista squalida Sby., Mactra exoleta Gray, Margariti- 

 phora fimbriata Dkr., Miltha ehildreni Gray, Mulinia pallida 

 B. & S., Ostrea palmula Carp., Peeten circtdaris Sby., Pecten 

 dentatus Sby., Peeten subnodosus Sby., Spondylus crassisquama 

 Lam., Cassis tenuis Gray, Cassis abbreviata Lam., Cerithium 

 gefnmatum Hds., Conus fergusoni Sby., Conus prineeps L., 

 Conus purpuraseens Brod., Cuma kiosquiformis Duclos, Cy- 

 prcea exanthema L., Dolium (Malea) ringens Swain., Eupleura 

 murieiformis Brod., Fusus dupetithouarsi Kien., Fieus deeus- 

 satus Wood, Macron cethiops Rv., Macron kellettii Hds., Mitra 

 tristis Brod., Murex radix Lam., Oliva araneosa Lam., Oliva 

 porphyria L,, Oliva splendidula Sby., Purpura hcemostoma L., 

 S trombus graeilior Sby., strombus granulatus Gray, Strombina 

 lanceolata Sby., Terebra robusta Hds., Turritella goniostoma 

 Val., Turbo fluctuosus Wood, Arbacia stellata Gray, Cidaris 

 thouarsii Ag. & Desot., Encope calif ornica Verrill, Encope 

 grandis Ag., Encope micropora A. Ag., Mellita longifissa 

 Mich., Clypeaster rotundus A. Ag., Hipponoe depressa Ag., 

 Lovenia cordiformis Lutken, Pocillopora capitata Verrill, 

 Porites compressa Verrill. 



Fossil Faunas. 



quaternary. 



Manta, Ecuador, lat. 1° S., collected by B. Bryan. Area 

 pacifica Sby., Area reversa Rv., Cardium censors B. & S., 

 Cardium magnificum Desh., Cytherea multicostata Sby., 



