1916.] Osburn and Nichols, Shore Fishes from Lower California. 173 



April 10; Tiburon I., April 11. Specimens ranging in size from 7 to 18 

 inches were taken, on hand-lines, and by other methods. 



Pachynathus capistratus (Shaw). 



San Josef I., March 31; Santa Catalina I., April 16; Pichilinque Bay, 

 April 17, and Ceralbo I., April 20, one or two specimens taken at each of 

 these localities. 



Tetraodontid-e. Swell Fishes. 



Sphaeroides lobatus (Ste'mdachner). 



Cape San Lucas, March 23, one young specimen 3| inches long. 



Sphaeroides annulatus (Jenyns). 



Port San Bartholome, March 13 and April 23; Santa Maria Bay, March 

 18; Magdalena Bay, March 20; Pichilinque Bay, March 27; Agua Verde 

 Bay, April 1; Concepcion Bay, April 7, and Tiburon I., April 11. One to 

 several specimens taken at each locality, mostly by seining, but one was 

 taken on a hand-line. Two specimens from San Bartholome have the small 

 spots of the variety politus. 



Ovoides setosus (Rosa Smith). 



Cape San Lucas, March 23, three specimens seined, and Ceralbo I., 

 April 20. Two of the specimens from Cape San Lucas were blue-black in 

 color, with rounded yellow spots, while the third was black with vermicula- 

 tions of yellow. The Ceralbo specimen was yellowish all over except for a 

 black bar across the pectoral and dorsal. All were approximately of the 

 same size. 



Diodoxtid.e. Porcupine Fishes. 

 Diodon hystrix Linnceus. Porcupine Fish. 



Cape San Lucas, March 23 and 24; San Josef I., March 31; Agua Verde 

 Bay, April 1; Carmen I., April 3, and Espiritu Santo, April 20, one or more 

 specimens at each place. At Espiritu Santo they are injurious to the pearl 

 oysters. 



The color markings on these specimens intergraded from D. hystrix to 

 D. holocanthus, and in some of them the frontal spines were larger than the 



