256 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 2 



4. Tubulanus frenatus (Coe), 1904 



Carinella frenata Coe, 1904, 1905. 



Habitat. Among algae, mussels, and other growths, near low-water 

 mark and below on rocks and piers. 



Distribution. Southern California. \ 



5. Tubulanus pellucidus (Coe), 1895 



Carinella pellucida Coe, 1895, 1905. 



Habitat. In delicate parchmentlike tubes under stones and among 

 algae and other growths between tides. 



Distribution. Coasts of New England; Monterey Bay to San Diego, 

 California. 



6. Tubulanus polymorphus Renier, 1804 



T. polymorphus Burger, 1895, 1904; Carinella rubra Griffin, 1898; Coe, 

 1904, 1905 ; C. speciosa Coe, 1901. 



Habitat. Beneath stones and among mussels and other growths; be- 

 tween tides in muddy situations and below low-water mark at moderate 

 depths. 



Distribution. Northern coasts of Europe, Mediterranean; on the Pa- 

 cific coast from the Aleutian Islands, coast of Alaska, British Columbia, 

 Puget Sound, Oregon, and southward to Monterey, California. 



Reproduction. A large individual of this species will supply a vast 

 number of ova for experimental studies during the summer months. The 

 eggs may be teased from body fragments, washed in clean sea water and 

 sperm added if developmental stages are desired. Development of the 

 direct type proceeds rapidly. 



7. Tubulanus sexHneatus (Griffin), 1898 



Carinella sexlineata Griffin, 1898; Coe, 1904, 1905; C. dinema Coe, 

 1901. 



Habitat. Lives in delicate tubes among algae, mussels, and other 

 growths on rocks and piling between tides and below. 



Distribution. Alaska to southern California. 



Genus GARINOMELLA Coe 



Only a single species of this genus is known at present. 



I 



