146 REPORT OF NEW JERSEY STATE MUSEUM. 

 Sub-Family Lepadin^. 



Valves three to five. Carina with two ends unlike, umbo basal 

 or below middle. Umbo of scutum at or near rostral angle. 

 Caudal appendages one-jointed. Peduncle wide. 



Genus LEPAS Linnaeus. 



Lepas Linnaeus, Syst. Nat., Ed. lo, 1758, p. 667. Type Lepas anatifera Lin- 

 naeus, fifth species, designated by Pilsbry, Bull. U. S- Nat. Mus., No. 60, 

 1907, p. 79- 



Anatifarius Dumeril, Z06I. Analyt., 1806, p. (170) 331. Atypic. (Type Lepas 

 anatifera Linnaeus.) 



Valves five, approximate, fully calcified. Carina extending 

 up between terga, ending below in an embedded fork or external 

 disk. Scuta subtriangular, umbones at rostral angle. Caudal 

 appendages uniarticulate, smooth. One or more lateral filaments 

 at bases of first cirri. 



Found in all seas attached to floating objects. 



Key to the species. 



a. Carina ending below in flat oblong external disk, umbo angularly pro- 

 jecting; valves thin, papery. fascicularis 

 aa. Carina ending below in fork, umbo basal ; valves well calcified. 



b. Valves smooth or very minutely striate radially. anatifera 



bb. Valves radially furrowed or strongly striate. 



c. Occludent margin of scutum arched, protuberant. anserifera 



cc. Occludent margin close to ridge from umbo to apex. pectinata 



Lepas fascicularis Ellis and Solander. 



Plates 40, 44, Figure 2, and Plate 150, Figure 10. 



Lepas fascicularis Ellis and Solander, Zoophytes, 1786, p. 197, PI. iS, fig. 6. 5"^ 



George's Channel. 



Darwin, Monogr. Cirriped., 1851, p. 92, PI. i, fig. 6. World-wide. 



Leidy, Proc. Acad. Nat. Sci. Phila., 1888, p. 431. Beach Haven, New 



Jersey (feeding on Cyclops). 



M. J. Rathbun, Occas. Papers Boston Soc. N. Hist., VH, 1905, p. 85. 



On floating seaweed and other small objects (Maine and Massachusetts). 

 Lepas fasciculatus Pilsbry, Bull. U. S. Nat. Mus.. No. 60. 1907, p. 81. PI. 9. 

 fig. 6. Albatross Station 2532, N. Lat. 40° 34' W. Long. ^° 48'. 



