NO. 1704. A COLLECTION OF SHELLS FROM PERU— BALL. 193 



Copiapo, Chile 27 10 S. 



Coquimbo, Chile 30 00 S. 



Quintero, Chile 32 45 S. 



Valparaiso, Chile 33 00 S. 



Juan Fernandez Island, Chile 33 40 S. 



Talcahuano, Quiriquina, and Tumbes, Chile 36 40 S. 



Lota and Concepcion, Chile 37 10 S. 



Valdivia, Chile 39 50 S. 



Puerto Montt, Chile 41 30 S. 



Island of Chiloe, Chile 42 30 S. 



Chono.? Archipelago, Chile 45 00 S. 



Magellan Straits, western entrance 52 35 S. 



LIST OF SPECIES COMPOSING THE FAUNA. 

 SUBKINGDOM MOLLUSCA. 



Class CEPHALOPODA. 



Order DIBRANCHIATA. 



Suborder OCTOPODA. 



Family ARGONAUTID^. 

 Genus ARGONAUTA Linnasus. 



ARGONAUTA CORNUTA Conrad. 



1854. Journ. Acad. Nat. Sci. Phila., ser. 2, voL 2, p. 332, pL 

 34, tig. 2. Gulf of Panama to Cape St. Lucas. 



ARGONAUTA NOURYI Lorois. 



1852. Rev. et Mag. de ZooL, ser. 2, vol. 4, p. 9, pi. 1, tig-. 5. 

 Marquesas Islands; coast from Peru to Mexico. 



ARGONAUTA PACIFICA Dall. 



1869. Amer. Nat., vol. 3, p. 237. From the Galapagos Islands 

 north to Monterey' , California. 



ARGONAUTA NODOSA Solander. 



1786. Portland Catalogue, p. 96, No. 2120.— Shaw, Nat. Mis-. 

 1811, vol. 23, pi. 995. Off Chiloe Island. 



ARGONAUTA HIANS Solander. 



1786. Portland Catalogue p. 44, No. 1055. — Adams and Reeve, 

 Voj. Samarang, Moll., 1850, p. 4, pi. 3, figs. 2 a-c. Indo- 

 Pacific Ocean; Chilean coast. 



Family PHILONEXID.E. 



Genus TREMOCTOPUS Delia Chiaje. 



TREMOCTOPUS MINIMUS Orbigny. 



1835. Voy. Am. Me'r., vol. 5, p. 23, pi. 1, tigs. 4, 5. S. Lat 30^. 

 off Coquimbo. 



Proc.N.M.vol.37— 09 13 



