alPHONABiA. Panama Shells. 239t 



Habitat— r-F&u&ma, ; Cuming I Sowerby : also Beeve : Miiller, 



Mazatlan; MelchersI Menke. 



Mazatlan ; Lt. Green I Mus. Essex Inst. 



Panama ; Jay. 



Panama ; 0. B. A. ! 

 We collected 142 specimens on a ledge of rocks nearly three 

 miles east of Panama, 



S63. l^iphonaria characteristica« 



/Synonymi/. 



Siphonaria charaeteristica EeeveinProc.Zool.Soc.Lond.p.49.Mar. 1842. 

 Keeve Conch. Syst. pi. 138. f. 3. 1842. 



Station. — On rocks above and below half tide level. 



Habitat. — Bay of Panama ; Cuming I Eeeve. 



Bay of Panama ; Jay. 



Taboga; C. B. A. I 

 70 specimens were collected. 



363. Siphonaria costata. 



Synonymy. . 

 Siphonaria costata Sowb. in Proe. Zool. Soc Lond., p, &.; , Jan. 1885. 



Station. — On rocks in exposed situations at low water ; Cum- 

 ing! Sowerby. 



Habitat. — Guacomayo ; Cuming ! Sowerby. 



Guacomayo ; Jay. 



Panama ; C, B. A. I 

 Only 1 specimen was found. 



364. Siphonaria g:ig:ais. 



Synonymy. 



Siphonaria gigas Sowb. Tank. Catal. App. p. 6. N6. 808. 1825. 



, Keeve Conch. Syst. pi. 138. f. 6. 1842. 



Val. Voy. Venus. Moll. pi. 12, 13. 1846; 



