ON MOLLUSCA OF THE WEST COAST OF NORTH AMERICA. 183 



1833. 



Page. 



Proc. Zool. Soc— Cuming. 



Station. 



Depth 

 in fms. 



Locality. 



55 



82 

 83 

 83 

 85 



124 



18 

 19 

 19 

 20 



20 



20 

 21 

 22 



21 

 34 



35 



35 



35 



35 



35 



36 



36 



37 



37 



71 



72 



72 



72 



73 



74 



134 



134 



135 



135 



135 



135 



135 



136 



136 



137 



137 



137 



138 



138 



138 



138 



139 



139 



139 



139 



1834. 



7 

 8 



Conus princeps < 



Cardium Cumingii, Brod...... 



soft mud in rocks 



sandy mud in ditto 



sandy mud 



coarse sand 



fine sand 



sandy mud 



on lower sides of 



stones in sandy m. 



under stones 



on st. & Aviculce 



roots of mangroves 



coarse sand 



12 

 4-6 

 13 

 10 



11. w. 



; e 



l.'w. 

 12 



12 



8 



7 



1. w. 



deepw. 



•{ 



7-17 



3-6 

 7 



10 

 7-17 



12 



8-16 



13-20 

 6 



"i 



6 



10 



6 



6-10 



10 



6 



6-10 



10 



6-10 



8 



10 



10 



13 



11-13 

 13 



Panama. 



St. Elena and Monte Xti. 



Gulf of Dulce. 



Real Llejos. 



Guacomayo. 



Panama. 



| Payta, St. Elena, Pan. 



Gulf of Nocoiyo. 

 Galapagos, Ld. Hood's Is. 

 Real Llejos. 

 Gulf of Nocoiyo. 

 Atacamas, Real Llej., Xip., 

 Panama, and Gulf of Calif. 

 Gulf of Tehuantepec. 

 Ditto. 



Real Llejos. 



Tumbez and Real Llejos. 



Payta. 



Panama. 



Real Llejos ; also fossil 



near Guayaquil. 

 Pan.,Rl.Llej.,Carac,St.El. 

 Chiriqui. 

 Bay of Caraccas. 

 Xipix. Jun. G. Nocoiyo. 

 Xip.,B.Mont.,Carac.,Rl.Lj. 

 Bay Montijo. 

 James Is., Gal. 

 Charles Is., Gal. 

 Real Llejos, 

 Gal. 



Conchagua. 

 James Is., Gal. 

 Charles Is., Gal. 

 Is. Perico, Pan. 

 James Is., Gal. 

 Monte Xti, Guac, Salango 

 B. Montija. 

 Pan., Port. Portrero. 

 Gal. 

 Pan. 

 Gal. 

 Gal. 



B. Montija. 

 Galap. 



Monte Christi. 

 Pan. 



B. Mont., Port. Portrero. 

 Galap. 



Pan., Mte Xti. 

 Port. Portr., B. Mont. 

 Pan. 



B. Mont., Pan. 

 B. Mont. 

 B. Mont. 

 Guacomayo. 



G. Nocoiyo. 

 B. Montiji. 



procerum, Sow 



planicostatum, Sow 



Panamense, Sow 



Orbicula Cumingii, Brod < 



Byssoarca illota, Sow 



truncata, Sow 



Area tuberculosa, Sow 



concinna, Sow 









multicostata, Sow 





quadrilatera, Sow. [ = gran- 



dis jun.] 



sandy mud 

 sandy mud 



in hard clay \ 



sandy mud 



sandy mud 



mud and sand \ 



sandy mud 



sandy mud 



sandy mud 



under scoriae 



under lava 



und. decayed grass 



under stones 



under bark 



on dry grass-tufts 



on pieces of lava 



on dead leaves 



sandy mud 

 sandy mud 

 sandy mud 



fine coral sand 



under stones 



sand 



fine coral sand 

 sandy mud 



fine coral sand 

 under stones 

 sandy mud 

 muddy sand 

 coral sand 

 sandy mud 

 sandy mud 

 sandy mud 



sand 

 sandy mud 

 sandy mud 

 sandy mud 



coarse sand 

 coarse sand 



labiata, Sow 



Cumingia lamellosa, Sow 



Corbula nuciformis, Sow 



bicarinata, Sow 



biradiata, Sow 



nasuta, Sow 



ovulata, Sow ; 



tenuis, Sow 



Bulinus rugiferus, Sow 







Triton reticulatus, Sow 



Bulinus discrepans, Sow 



calvus, Sow 



ustulatus, Sow 



unicolor, Sow 



Jacobi, Sow 



Pleurotoma unimaculata, Sow.... 

 clavulus, Sow 





albicostata, Sow 



bicolor, Sow 



splendidula, Sow 



bicanalifera, Sow 



rugifera, Sow 



aterrima, Soiv.* 



nigerrima, Sow 



corrugata, Sow 



excentriea, Sow 



duplicata, Sow 







variculosa, Sow 





hexagona, Sow 1 sp. 









* N.B. PI. rustica, »SW;. = thiarella, Val. teste Jay. 



