186 



University of California Publications. 



[Zoology 



Specimens from La Jolla very much darker — almost black ; 

 under side of head blackish and without cross streaks. 



Measurements in Hundredths of Length to Base of Caudal. 



Length to base of caudal in mm. . 

 Head in one-hundredths of length 



Depth 



Length of snout 



Diameter of eye 



Tip of snout to front of dorsal .... 



Tip of snout to vent 



Base of dorsal 



58 



10 

 4 

 2f 

 2i 



35 



35 



56. Hippocampus ingens Girard. 



CABALLITO DEL MAR. 



(Jordan and Evermann, 1896, I, p. 776.) 



San Diego is the type locality of this species, where it is very 

 rare ; not seen by us. It is found southward to Cape San Lucas 

 (Gill, 1862, p. 282), and is one of the largest of the sea-horses, 

 reaching a length of nearly a foot. 



Family ATHERINID^. 



57. Leuresthes tenuis (Ayres). 

 (Jordan and Evermann, 1896, I, p. 802.) 



Specimens taken in January and August at San Diego, the 

 reported end and beginning of its residence in the bay. Its range 

 extends northward to San Francisco (its type locality), Avhere it 

 is apparently rare. 



58. Atherinopsis calif orniensis Girard. 



PESCADO DEL RAY ; ' ' SMELT. ' ' 



(Jordan and Evermajui, 1896, I, p. 806, fig. 341.) 



Common in San Diego Bay in January, when many large 

 specimens were seined on the sandy beaches. It is said by Dr. 

 Eigenmann (1892, p. 145) to enter the bay at the last of August 



