218 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 23 



PLATE 21 



Pscudamussium (Peplum) fasciculalum (Hinds), 1845. Inner Gorda 

 Bank, Gulf of California, in 80 fathoms. Height: 27.5 mm; length: 

 26.5 mm. (Grau collection.) P. 



