258 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. 37. 



MYTILUS DACTYLIFORMIS Hupe. 



1854. Hist, de Chile, MoL, p. 310, pi. 5, fig. 6. Isla Blanca del 

 Chimba, Chile, to Corral. 



MYTILUS GRANULATUS Hanley. 



1844. Proc. Zool. Soc, p. 17; Rec. Biv. Sh., p. 246, pi. 24, fig. 

 33, 1844.— HupJi:, Hist, de Chile, Mol., p. 312, pi. 5, fig. 7, 

 1854. Lobos Islands, Peru, and south to the island of Chiloe. 



MYTILUS MAGELLANICUS Lamarck. 



1819. An. s. Vert., vol. 6, pt. 1, p. 119; Encycl. Meth. pi. 217, 

 fig. 2. Callao, Peru, south to the Magellanic region. 



MYTILUS PATAGONICUS Orbigny. 



1889. In Clessin, Conch. Cab., 2d ed. Mytilacea^ p. 82, pi. 18, 

 figs. 5, 6. Chile and southward. 



MYTILUS PILOSUS Reeve. 



1858. (Recluz, ms. in) Reeve, Con. Icon., Mytilus^ pi. 8, fig. 

 35. Iquique to Coquimbo, Chile, and Juan Fernandez 

 Island. 



MYTILUS SPLENDENS Dunker. 



1856. Proe. Zool. Soc, p. 368. Peru. 



MYTILUS STEARNSII Pilsbry and Raymond. 



1898. Nautilus, vol. 12, no. 6, p. 70, pi. 4, figs. 1, 2, 3. San 

 Diego, California, and southward. (Chile, Dautzenberg, 

 Oahu, Conrad.) 



Genus MODIOLUS Lamarck. 



MODIOLUS ARCIFORMIS Dall. 



1909. Proc. U. S. Nat. Mus., vol. 37, p. 152, pi. 28, fig. 2, Hua- 

 quilla, Ecuador. 



MODIOLUS GUYANENSIS Lamarck. 



1819. ModloJa guyanensis Lamarck, An. s. Vert., vol. 6, pt. 1, 

 p. 112. — Reeve, Con. Icon., Modiola^ pi. 4, fig. 17, 1857. 

 Lower California to Tumbes, Peru. Also Guiana, and 

 Brazil at Rio Janeiro. 



MODIOLUS MUTABILIS Carpenter. 



1856. Modlola {hrazillensls var. ?) iiiut(tl)Uix Carpenter, Mazat- 

 lan Cat., p. 122. Mazatlan to Ecuador. 



MODIOLUS PURPURA TUS Lamarck. 



1819. An. s. Vert., vol. 6, p. 113.— Clessin, Conch. Cab., 2d 

 ed., p. 128, {ovalis) pi. 33, figs. 4, 5, 1889. Ecuador, .south to 

 Concepcion, Chile. 



MODIOLUS SPECIOSUS Dunker. 



1889. Conch. Cab., 2d ed., Mytilacea, p. 112, pi. 81, fig. 1. 

 Panama, south to Paita, Peru. 



Genus ADULA H. and A. Adams. 

 ADULA SOLENIFORMIS Orbigny. 



1846. Mytilus soleniform.is Orbigny, Voy. Am. Mer., p. 649, 

 pi. 85, fig. 17, 18. Paita, Peru. 



