156 Bull tin American Museum of Natural History. [Vol. XXXV, 



in head 4.3; lateral band 1.2 in eye, covering one row and two half rows of 

 scales. This suggests the probability that crameri is a synonym of tenuis. 



Eurystole eriarcha (Jordan and Gilbert). 



Cape San Lucas, March 23 and 24, ten specimens taken at the electric 

 light lure, and Santa Catalina I., April 16, one specimen. 



Atherinopsis californiensis Girard. California Smelt. 



Ballenas Bay, March 16, and Cerros I., March 11, several specimens 

 seined. 



Atherinopsis sonorse sp. nov. 

 Fig. 8. 



Head 4.2; depth 5.8; D. VIII-I, 12; A. I, 22; scales 62-13. Eye 5 in head, 



snout 3; jaws equal; teeth pointed, in narrow bands, maxillary not reaching eye. 

 Gill rakers long slender and numerous. Scales weakly crenate. Body slender, 

 moderately compressed. Fectoral fin 1, 3 in head, reaching to origin of ventrals 

 which extend \ distance to vent. Origin of spinous dorsal equidistant between caudal 

 base and preopercle, considerably in advance of origin of anal; origin of soft dorsal 

 about over middle of anal. Caudal widely forked. 



Color in spirits; light brown above, silvery below, a plumbeous lateral stripe one 

 fourth the width of the body. Fectorals, dorsals and caudal mere or less dusky, 

 vmtrals and anal white. 



Type No. 5211, American Museum of Natural History, 1\ inches long, S.E. side 

 of Cerros I. March 11, seined. Two smaller specimens 5 and 6 inches long wi h the 

 same data, have respectively head 4, depth 5.9, scales indeterminate, and head 4.2, 

 depth .5.5, scales about 58. 



This species apparently differs from A. californiensis in the larger head, 

 lesser depth and much larger scales. 



Atherinops insularum Gilbert. 



Guadalupe I., March 2; San Benito I., March 9, and Cerros I., March 

 11, numerous specimens. 



Atherinops affinis (Ayres). 



Santa Maria Bay, March 18; Port San Bartholome, March 13 and April 

 23; Magdalena Bay, March 20 and 21, numerous specimens. 



