30 PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 



do not think proper to describe it as new. The rays both in dorsal and 

 anal are 14 or 15 ; the lower jaw is contained 4 times in the total length. 

 It is allied to H. pleii and H. unifasciatus, bnt it is probably distinct 

 from both. ' 



40. Beloiie exilis Girard. 



Occasionally taken. One specimen seen. 



CYPRINODONTID^. 



41. Fundulus parvipinnis Girard. 



Very common in the Bay of San Diego. 



ALBULID^. 



42. Albula vulpes (L.) Goode. 



This species visits the bay at intervals, in considerable schools. Sev- 

 eral specimens were obtained. 



CLUPEID^. 



43. Clupea sagax Jenyns. 



Very abundant in San Diego Bay. The very largest are nearly plain 

 in coloration. The ordinary specimens have a very distinct series of 

 round, blackish spots along the sides of the back, with smaller ones 

 above it, which form stripes along the rows of scales. 



44. Clupea mirabiUs Girard. 



Very abundant in San Diego Bay. The vomerine teeth in this spe- 

 cies are very few and often not to be found. It should not be generic- 

 ally separated from the preceding. 



ENGRAULID^. 



45. Engraulis delicatissimus Girard. 

 Very common. 



46. Engraulis ringens Jenyns. 

 Very common. 



MUR^NIDiE. 



47. Gymnothorax mordax (Ayres) Jor. & Gilb. 



Not rare in rock-pools. This species is extremely pugnacious, strik- 

 ing at a stick after the fashion of a snake. It is also very tenacious of 

 life. 



Length of tail almost exactly equal to that of the rest of the body, 

 head forming one-seventh of the total length ; snout short, narrow, and 

 pointed, occipital region becoming fleshy and much elevated with agej 

 dorsal fin beginning immediately in front of the gill openings. 



