Vol. 3} Starks-Morris. — Marine Fishes. 161 



Family BRANCHIOSTOMID^. 

 1. Branchiostoma calif orniense Gill. 



CALIFORNIA LANCELET. 



(Jordan and Evermann, 1896, I, p. 4.) 



The California lancelet has recently been taken in large num- 

 bers near Ballast Point, San Diego Bay, off the Coronado Islands, 

 and in the inner harbor of San Pedro. 



Family EPTATRETID.E. 

 2. Eptatretus Stouti (Lockington). 



THE HAG FISH. 



(Jordan and Evermann, 1896, I, p. 6.) 



This species was commonly taken in deep water off San Diego. 

 It is known northward to Cape Flattery (Gilbert, 1893, p. 395), 

 and is abundant in ]\Ionterey Bay. It has not before been re- 

 corded at San Diego. 



Family HETERODONTID^. 

 3. Heterodontus francisci (Girard). 



BULL-HEAD SHARK. 



(Gyropleuroclus francisci. Jordan and Evermann, 1896, I, p. 20, 

 fig. 9.) 



This species is rather common south of Point Conception, and 

 was frequently taken in San Diego Bay. The following descrip- 

 tion is of a specimen 795 millimeters in length, from San Diego : 



Width of head equal to space between posterior tip of first 

 dorsal and front of second dorsal. Distance between supraorbital 

 ridges above middle of eyes equal to base of second dorsal. An- 

 terior slope of pectoral exceeding posterior margin of pectoral in 

 length by twice the diameter of orbit. Anterior slope of second 

 dorsal equal to that of ventral or anal. Base of anal equal to that 

 of first dorsal without spine, which forms rather more than half 



