412 



BIBLIOGRAPHY OP 



Page. 



Name. 



Locality. 



330 



Calyptrea hispida Br. 



San Pedro, Sa» Diego* 



330 



Crepidula incurva Br. 



San Pedro. 



330 



Bulla nebulosa Gould. 



San Diego. 



330 



(Haminea) virescens Sowerhy 



San Diego. 



330 



vesicula Gould. 



San Diego. 



330 



Bulla (Tornatina) inculta Gould. 



San Diego. 



330. 



Trochus moestus Jonas. 



San Diego. 



330 



Phasianella compta Gould. 



San Diego. 



331 

 331 





San Diego. 







^<Xii± XJi.K^\J* 



331 



Oliva biplicata Sowerhy. 



San Pedro. 



331 



Potamis pullatus Gould. 



San Diego. 



331 



Amnicola protea Gould. 



Colorado Desert. 



331 



longinqua Gould. 



Colorado Desert. 



331 



Planorbis ammon Gould. 



Color. Des., Ocoya cr. 



331 



Physa humerosa Gould. 



Colorado Desert. 



331 



Succinea . 



Ocoya creek. 



331 



Helix Vancouverensis Lea. 



San Francisco. 



331 



San Diegoensis. 



Point Reyes. 



331 



infumata Gould. 



Point Reyes. 



331 



Oregonensis Lea. 



Cypress Point. 



Descriptions are given of the following : — 



FRESH- WATER SHELLS FROM THE COLORADO DESERT. 



Page. 



Plate. Fig. 



Name. 



Locality. 



331 



xi 



1-5 



Physa humerosa Gould. 



Color. Des., Pecos riv. 



331 



xi 



12-18 



Planorbis ammon Gould. 



Colorado Desert. 



332 



xi 



6-9 



Amnicola protea Gould. 



Melania exigua Conrad. 



Colorado Desert. 



333 



xi 



10-11 



longinqua Gould. 



Colorado Desert. 









MARINE SHELLS FROM THE COAST. 



333 



xi 



23-24 



Potamis pullatus Gould. 



San Diego. 



333 



xi 



25-26 



Phasianella compta Gould. 



San Diego. 



334 



xi 



27-28 



Bulla (Tornatina) inculta Gld. 



, San Diego. 



334 



xi 



29 



(Haminea) vesicula Gould. 



. San Diego. 



334 



■xi 



21-22 



Cardium cruentatum Gould. 



San Pedro. 



335 



xi 



19-20 



Tapes gracilis Gould. 



San Pedro. 



335 







Mytilusedulis? 



San Francisco. 



335 







Ostrea ? 



San Pedro. 



336 







9 



San Diego. 



