258 PROCEEDINGS OF THE NATIONAL MUSEUM. VOL. 37. 
MYTILUS DACTYLIFORMIS Hupé. 
1854. Hist. de Chile, Mol., p. 810, pl. 5, fig. 6. Isla Blanca del 
Chimba, Chile, to Corral. 
MYTILUS GRANULATUS Hanley. 
1844. Proc. Zool. Soc., p. 17; Ree. Biv. Sh., p. 246, pl. 24, fic. 
33, 1844.—Hupt, Hist. de Chile, Mol., p. 312, pl. 5, fig. 7, 
1854. Lobos Islands, Peru, and south to the island of Chiloé. 
MYTILUS MAGELLANICUS Lamarck. 
1819. An. s. Vert., vol. 6, pt. 1, p. 119; Encycl. Méth. pl. 21%, 
fig. 2. Callao, Shia soudh to the Magellan region. 
MYTILUS PATAGONICUS Orbigny. 
1889. In CusEssin, Conch. Cab., 2d ba: Mytilacea, p. 82, pl. 18, 
figs. 5, 6. Chile and sonuiraadl 
MYTILUS PILOSUS Reeve. 
1858. (Reciuz, ms. in) Reeve, Con. Icon., J/ytilus, pl. 8, fig. 
35.  Iquique to Coquimbo, Chile, and Juan Fernandez 
Island. 
MYTILUS SPLENDENS Dunker. 
1856. Proc. Zool. Soc., p. 368. Peru. 
MYTILUS STEARNSII Pilsbry and Raymond. 
1898. Nautilus, vol. 12, no. 6, p. 70, pl. 4, figs. 1, 2, 3. San 
Diego, Galion, and southward. (Chile, Dautzenberg, 
Oahu, Conrad.) 
Genus MODIOLUS Lamarek. 
MODIOLUS ARCIFORMIS Dall. 
1909. Proc. U. S. Nat. Mus., vol. 37, p. 152, pl. 28, fig. 2, Hua- 
quilla, Ecuador. > Coat Vote 
MODIOLUS GUYANENSIS Lamarck. 
1819. Modiola guyanensis Lamarck, An. s. Vert., vol. 6, pt. 1, 
p. 112.—RereEve, Con. Icon., Modiola, pl. 4, fig. 17, 1857. 
Lower California to Tumbes, Peru. Also Guiana, and 
Brazil at Rio Janeiro. 
MODIOLUS MUTABILIS Carpenter. 
1856. MModiola (braziliensis var. 4) mutabilis CARPENTER, Mazat- 
lan Cat., p. 122. Mazatlan to Ecuador. 
MODIOLUS PURPURATUS Lamarck. 
1819) ~ An. -s. Vert: volis6; ps 113. —Curssin, Conch. Cab., 2d ~ 
ed., p. 128, (ovadds) pl. 33, figs. 4, 5, 1889. Ecuador, south to ~ 
Concepcion, Chile. 
MODIOLUS SPECIOSUS Dunker. “Uw wo VI, 38) FR 97 
18892, Conch. Cab. 22d a. teh p- “119, ple eSieeitom alts 
Panama, south to Paita, 1Beao, 
Genus ADULA H. and A. Adams. 
ADULA SOLENIFORMIS Orbigny. 
1846. Mytilus soleniformis Orprany, Voy. Am. Meér., p. 649, 
pl. 85, fig. (18. weaita kere 
