1916.] Osburn and Nichols, Shore Fishes from Lower California. 14-> 



We have two other specimens, lti and 14* inches in length, from the 

 same locality. All three are males. 





-v _-,>- 



Fig. 2. Urobalis concenlricus sp. qov. 



Urotrygon mundus (67//). 



Port San Bartholome, March 14, one specimen seined, and east side of 

 Esteban I., April 13. 



Dasyatis dipterura Jordan and Gilbert. 

 Mulege, April 4, one specimen seined. 



Pteroplatea marmorata Cooper. Butterfly Ray. 

 Port San Bartholome, March 13, one specimen seined. 



Myliobatid.e. Eagle Rays. 



Myliobatis californicus (Jill. 



Port San Bartholome, March 14 and again on April 23, several specimens, 

 and Santa Maria Bay, March 18, one specimen. All were taken in seining. 



