44 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 25 



Family Serpulidae 



Apomatus geniculata (Moore and Bush) 1904. See Moore, 1923, p. 248. 



Japan, northern Pacific Ocean, south to southern California, in 



moderate depths, probably rocky or shelly sediments. 

 Apomatus timsii Pixell, 1912. See Berkeley and Berkeley, 1941, p. 56. 



Western Canada to central California, to 60 fms. 

 Chitinopoma occidentalis (Bush) 1904. See Hartman, 1948, p. 50. 



Western Alaska to California, in rocky shallow depths. 

 Crucigera websteri Benedict, 1887. See Berkeley and Berkeley, 1941, 



p. 57. Gulf of Mexico and southern California, in rocky habitats. 

 Crucigera zygophora (Johnson) 1901. See Berkeley and Berkeley, 1952a, 



p. 127. Alaska south to California, in rocky habitats. 

 Eupomatus gracilis Bush, 1904. California, intertidal and contaminant 



in aquaria; common. 

 Eupomatus intereans Chamberlin, 1919. Southern California at Laguna 



Beach. This species may be referable either to E. gracilis Bush 



or E. uncinatus Philippi. 

 Eupomatus uncinatus Philippi, 1844. See Berkeley and Berkeley, 1941, 



p. 56 (as Hydroides) . Southern California, Mediterranean Sea; 



cosmopolitan. 

 Hydroides norvegica Gunnerus, 1768. See Berkeley and Berkeley, 1941, 



p. 56. Cosmopolitan, fouling on hulls of ships; Los Angeles 



harbor. 

 Mercierella enigmatica Fauvel, 1923. See Fauvel, 1927, p. 360. San 



Francisco Bay and its tidal streams, California, fouling on ships ; 



cosmopolitan. 

 Placostegus sp. Southern California, in shallow depths, rocky habitats. 

 Protis pacifica Moore, 1923. See Hartman, 1955b, p. 51. Southern Cali- 

 fornia, in deep basins, silt. 

 Protula atypha Bush, 1904. See Moore, 1923, p. 248. Pacific Grove, 



California, and southward. 

 Protula superba Moore, 1909. Central and southern California. P. atypha 



and P. superba may refer to the same species. 

 Salmacina tribranchiata (Moore) 1923. See Berkeley and Berkeley, 



1952a, p. 131 ; Roja, 1941, p. 738. Northeastern Pacific Ocean to 



southern California. 

 Serpula vermicularis Linnaeus, 1767. See Berkeley and Berkeley, 1952a, 



p. 125. Both sides of the Pacific Ocean; cosmopolitan, common in 



intertidal rocky habitats. 



