ON MOLLUSCA OP THK WEST COAST OF NORTH AMERICA. 183 



1833. 

 Page. 



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124 



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20 



20 

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21 

 34 



Pboc. Zool. Soc— Cuming'. 



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74 



134 



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183i. 



Conus princeps 



Cardiutn Cumingii, Brod.. 



procerum, Sow 



planicostatum, Sow.. 

 Panamense, Sow 



Orbicula Cumingii, Brod.. 



Byssoarca illota, 5ow 



truncata, Soiv 



Area tuberculosa, Sow 



concinna, Sow 



— emarginata, .Sow 



— ioTmois., Sotv 



— multieostata, Sow , 



quadrilatera, Sow. [=gran- 



dis jun.] , 



— labiata. Sow 



Cumingia lamellosa, Sow. 



Corbula nuciformis, Sow. 

 - bicarinata, Sow 



biradinta, Sow. 



- nasuta. Sow 



- ovulata. Sow 



tenuis, Sow 



Bulinus rugiferus, Sow 



unifasciatus, Sow 



corneus, Sow 



Triton reticulatus. Sow 



Bulinus discrepans. Sow 



calvus, Sow 



uslulatus, Soiv 



unicolor. Sow 



Jacobi, Soiv , 



Pleurotoma unimaculata, Sow. 



clavulus, Sow 



oxytropis. Sow 



albicostata. Sow , 



bicolor, Soto 



- splendidula, Sow 



- bicanalifera. Sow 



- rugifera, (Jow 



■ aterrima, j'ow.* 



• nigerriraa, Sow 



■ corrugata, .^ow 



■ escentrica, Sow 



■ iucrassata, Sow 



• duplicata, ;S'ow 



■ unicolor. Sow 



• granulosa. Sow 



■ variculosa, ;5'ow 



■ nitida, Sow 



hexagona, Sow 1 sp. 



soft mud in rocks 



sandy mud in ditto 



satidy raud 



coarse sand 



fine sand 



sandy mud 



on lower sides of 



stones in sandy m 



under stones 

 on St. & AviculcB 

 roots of mangroves 

 coarse sand 



Depth 

 in fiuB. 



Euliraa interrnpta, Sow. 

 — acuta, Sow 



sandy mud 

 sandy mud 



in hard clay \ 



sandy mud 



sandy mud 



mud and sand -j 



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 



under scoriae 



sandy mud 



sandy mud 



sandy mud 



fine coral sand 



under stones 



sand 



Sue 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 



12 

 4-6 



13 



10 



1. w. 

 ' 6 



1. w. 

 12 



12 



7 



1. w. 



deep w. 



7-17 



3-8 



7 



10 

 M" 



12 



Locality. 



8-16 



17 



13-20 



6 



"8 



6 

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6-10 



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13 



11-13 

 13 



Panama. 



St. Elena and Monte Xti. 



Gulf of Dulce. 



Real Llejos. 



Guacomayo. 



Panama. 



I Payta, St. Elena, Pau. 



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 Guaj'aquil. 

 Pan.,Rl.LIej.,Carac.,St,El 

 ("hiriqui. 

 Bay of Caraceas. 

 Xipix. Jun. G. Nocoiyo. 

 Xip.,B.Mont.,Carac.,B,LLj, 

 Bay Montijo. 

 James Is., Gal. 

 Charles Is., Gal. 

 Real Llejos. 

 Gal. 



Conchagua. 

 James Is., Gal. 

 Charles Is., Gal. 

 Is. Perico, Pau. 

 James Is., Gal. 

 .Monte Xti, Guac, Salango 

 B. Montija. 

 Pan,, Port. Portrero. 

 Gal. 

 Pan. 

 Gal. 

 Gal. 



B. Montija. 

 Galap. 



Monte Cliristi. 

 Pan. 



B. Mont., Port. Portrero. 

 Galap. 



Pan., Mte Xti. 

 Port. Portr., B, Mont. 

 Pan. 



B. iMont., Pan. 

 B. Mont. 

 B. Mont. 

 Guacomayo. 



G. Nocoiyo. 

 B. Montiji. 



* N.B. Fl. rustica, i'oM>. = thiarella, Val. teste Jay. 



