10 



ALLAN HANCOCK PACIFIC EXPEDITIONS 



VOL. 20 



angustanus Reeve 1857 non Lamarck 



1819 (Mytilus) 

 appendiculata Tomlin 1928 (Litho- 



phaga) 

 arborescens Lamy 1936 non Chemnitz 



1795 (Modiolus (Amygdalum)) 

 arciformis Dall 1909 (Modiolus) 

 aristatus Dillwyn 1817 (Mytilus) 



ater Molina 1782 (Mytilus) 

 attenuata Deshayes 1836 (Modiola) 



bicolor Lamarck 1819 (Mytilus) 

 bidens Dillwyn 1817 non Linne 1758 



(Mytilus) 

 bi fur cat us Conrad 1837 (Mytilus) 

 bifurcatus auct. (Mytilus) 

 bifurcatus Dautzenberg 1896 (Mytilus) 

 biradiata Hanley 1843 (Modiola) 



brasiliensis Chemnitz 1795 (Mytilus) 

 californianus Conrad 1837 (Mytilus) 

 calif ornicus Clessin 1889 (Mytilus) 

 califor?iiensis Philippi 1847 (Modiola) 

 calyculatus Carpenter 1856 (Litho- 



phagus) 

 calyculatus Hertlein and Strong 1946 



(Lithophagus) 

 canaliculus Dall 1876, 1891 (Mytilus) 

 canalifera Hanley 1843 (Modiola 



(LitJiodomus)) 

 capax Conrad 1837 (Modiola) 

 carpenteri MoTch 1861 (Dactylus) 



caudatus Gray 1827 (Litlwphaga) 



caudig era 'Lamarck 1819 (Modiola) 



charruanus Orbigny 1846 (Mytilus) 

 chilensis Hupe 1854 (Mytilus) 

 chiloensis Reeve 1857 (Mytilus) 

 chorus Molina 1782 (Mytilus) 

 cinnamomeus Carpenter 1856 (Litho- 

 phagus) 

 cinnamoneus Strong and Hanna 1930 



(Botula) 

 coarctata Carpenter 1856 (Crenella) 

 Columbiana Dall 1897 (Crenella) 



Semimytilus algosus Gould 1850 



fLithophaga (Diberus) canalifera 



Hanley 1843 

 Amygdalu7n americanum n. sp. 



Mytella falcata Orbigny 1846 

 Lithophaga (Myoforceps) aristata 



Dillwyn 1817 

 Aulacomya ater Molina 1782 

 Lithophaga (Labis) attenuata Deshayes 



1836 

 Mytella guyanensis Lamarck 1819 

 ?Aulacomya ater Molina 1782 



Septifer bifurcatus Conrad 1837 

 Hormomya adamsiana Dunker 1856 

 Brachidontes purpuratus Lamarck 1819 

 Pperhaps not American (cfr. Modiolus 



eiseni Strong and Hertlein 1937) 

 Mytella guyanensis Lamarck 1819 

 Mytilus californianus Conrad 1837 

 Mytilus californianus Conrad 1837 

 Adula calif orniensis Philippi 1847 

 Lithopliaga (Stumpiella) calyculata 



Carpenter 1856 

 Lithophaga (Diberus) plumula 



Hanley 1843 

 Mytilus edulis subsp. 

 Lithophaga (Diberus) canalifera Han- 

 ley 1843 

 Modiolus capax Conrad 1837 

 Lithophaga (Myoforceps) aristata Dill- 

 wyn 1817 

 Lithophaga (Myoforceps) aristata Dill- 

 wyn 1817 

 Lithophaga (Myoforceps) aristata Dill- 

 wyn 1817 

 Mytella falcata Orbigny 1846 

 Mytilus edulis chilensis Hupe 1854 

 Mytilus edulis chilensis Hupe 1854 

 Choromytilus chorus Molina 1782 

 Botula fusca Gmelin 1791 



Botula fusca Gmelin 1791 



Gregariella coarctata Carpenter 1856 

 Solamen coluinbianum Dall 1897 



