CIRRIPEDIA FROM THE PACIFIC COAST OF NORTH AMERICA. 



By HENRY A. PILSBRY, Sc. D., 

 Special Curator, Department of Mollnsca, Academy of Natural Sciences of Philadelphia. 



The cirripedes have been neglected by American zoologists and, consequently, 

 aside from a few references to littoral species in Darwin's Monograph on Cirripedia, 

 almost nothing has been published upon the west-American forms. The littoral 

 species, especially of Balanidse, stand in need of thorough study, while only a begin- 

 ning is now made in the description of the deeper-water forms, which will doubtless 

 prove numerous. 



The billowing report is based upon collections made by the sic; r Albatross 



in Alaska and northwestern Washington in 1903 and off the coast of southern 

 California in L904. 



It has not been thought necessary to give lull references to the literature of 

 each species. Such bibliographic matter may be found in the following works: 



1851. Darwin, Charles. A Monograph on thi - Cirripedia. The Lepadidse or pedunculated 



cin ipedes. 



L854 , . 'I'll.' Balanidse or s< ssile cirripedes, etc. 



L883. Hi ikk. P. P. C. Report on the Cirripedia collected by H. M.S. Challenger during th $73 76 



Challenger Report, Zoology, vol. vm. 

 1897. Weltner, \Y. Verzeichniss der i- chreihenen recenten Cirripedenarten. Archiv fur Natur- 



geschichte, jahrg. 1897, bd. i. p. 227. 

 1905. (iiuvKK, A. Monographic des Cirrhipedes ou Thecostraces. Bibliography on p. 164 167. 



LEPADlDvE. 



Lepas anatifera Linn 



Station 1391, off Santa Catalina Island, on floating wood. 



Lepas pectinata Spengler. 



Stations 4337 and 1351, off Point Loma Light, near San Diego, < al.,on surface. Station 1406, south- 

 east point nf Santa Catalina Island, surface, on giant kelp. Also station 4372. 



Lepas fascicularis Ellis an«l Solandi r 



South point of south Coronado Island, station 4340, 4<; fathoms. The Lepas was probably taken at 

 the surface as the trawl came up, not at the depth given. 



193 



B. B. F. lyOli — 13 



