12 



ALLAN HANCOCK PACIFIC EXPEDITIONS 



VOL. 20 



ffranulatus Hanley 1843 (Mytilus) 

 grayanus auct. non Dunker 1853 



(Mytilus) 

 *grisea Dall 1907 (Crenella) 

 guyanensis Lamarck 1819 (Modiola) 

 hamatus Say 1822 (Mytilus) 

 houstonius Bartsch and Rehder 1939 



(Brachidontes) 

 hupeanus Rochebrune et Mabille 1889 



(Mytilus) 

 Hmpressa Dall 1907 (Modiolaria) 

 inca Orbigny 1846 (Lithodomus) 



infiata Carpenter 1864 (fCrenella) 

 infumatus Rochebrune et Mabille 1889 



(Mytilus) 

 kelseyi Hertlein and Strong 1946 



(Lithophaga) 

 labiata Carpenter MS (Modiola) 

 * laevigata Gray 1824 (Modiola) 

 *lae'vis Beck 1851 (Modiolaria) 

 latissimus Carpenter 1857 (Mytilus 



edulis var.) 

 latus Lamarck 1819 (Mytilus) 

 *leana Dall 1897 (Crenella) 

 magellanica Retzius 1788 (Perna) 

 magellanicus Chemnitz 1785 (Mytilus) 

 magellanicus Roding 1798 (Mytilus) 

 *marmorata auct.-? Forbes 1838 



(Mytilus (Modiola)) 

 megas Dall 1902 (Crenella) 

 modiolus Linne 1758 (Mytilus) 

 multiformis Carpenter 1855 (Mytilus) 



mutabilis Carpenter 1856 (Modiola) 

 mutabilis auct. non Carpenter 1856 



(Modiola) 

 *nigra Gray 1824 (Modiola) 

 nitens auct. non Carpenter 1855 



(Mytilus) 

 nonuranus Pilsbry and Olsson 1935 



(Modiolus) 

 *obesus Dall 1916 (Musculus) 

 obesus Reeve 1858 (Mytilus) 

 oblongus Clessin 1889 (Mytilus) 

 obsoletus Dall 1916 (Septifer) 

 oHvaceusTiaW 1916 (Musculus) 



Hormomya granulata Hanley 1843 

 Mytilus edulis Linne 1758 



Crenella grisea Dall 1907 

 Mytella guyanensis Lamarck 1819 

 Iscliadium recurvus Rafinesque 1820 

 Brachidontes houstonius Bartsch and 



Rehder 1939 

 Mytilus edulis chilensis Hupe 1854 



Musculus impressus Dall 1907 

 Lithophaga (Labis) attenuata Deshayes 



1836 

 fCrenella divaricata Orbigny 1853 

 Mytilus edulis chilensis Hupe 1854 



Lithophaga (Diberus) subula Reeve 



1857 

 Modiolus sacculifer Berry 1953 

 Musculus laevigatus Gray 1824 

 Musculus laevis Beck 1851 

 Mytilus edulis Linne 1758 



Choromytilus chorus Molina 1782 

 Crenella leana Dall 1897 

 Perna perna Linne 1758 

 Aulacomya ater Molina 1782 

 Perna perna Linne 1758 

 fLanistina sp. 



fSolamen columbianum Dall 1897 

 Modiolus modiolus Linne 1758 

 Brachidontes multiformis Carpenter 



1855 

 Mytella guyanensis Lamarck 1819 

 Mytella falcata Orbigny 1846 



Musculus niger Gray 1824 

 Mytella falcata Orbigny 1846 



Semimytilus algosus Gould 1850 



Musculus obesus Dall 1916 

 Mytilus edulis chilensis Hupe 1854 

 Aulacomya ater Molina 1782 

 Septifer bifurcatus Conrad 1837 

 Musculus olivaceus Dall 1916 



