1916.] Osburn and Nichols, Shore Fishes from Lower California. 165 



Xystsema cinereum {Walbaum)i Bkoad Shad. 



Magdalena Bay, March 21 ; San Jose del Cabo, March 2(>; Agua Verde 

 Bay, April 1 and 2; Carmen I., April 3; Concepcion Bay, April 6 and 7, 

 and Tibnron I., April 11. This species occurred with the preceding, in 

 most of its range, but apparently is not so abundant. The specimens from 

 San Jose del Cabo were taken in fresh water. 



Gerres peruvianus (Cuvier and VaUenciennes). 

 Mulege, at mouth of river, April 4, two specimens seined. 



Gerres lineatus (Humboldt). 

 Mulege, April 4, two specimens seined. 



Kyphosid.e. 

 Girella nigricans (Ayres). Green Fish. 



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

 11, young and adults seined. 



Girella simplicidens sp. now 

 Fig. 10. 



Head 3.6; depth 2.1. D. XIV, 14; A. Ill, 12. Scales finely ctenoid; downward 

 and forward from front of soft dorsal to lateral line 7, upward and forward from front 

 of anal to lateral line 15, lateral line 50. Body deep, compressed, upper and lower 

 outlines similar, strongly arched. Eye 5; snout 2.5; interorbital width 3; maxillary 

 2.8; preorbital equal to eye; preopercle finely serrate. Mouth sub-inferior, trans- 

 verse, its width 2.6 in head; lips fleshy; premaxillary protractile and very broad, 

 1.5 in eye; teeth moveable, two to four front rows of simple incisiform teeth, with 

 bands of minute teeth behind these. Gill rakers moderately long, slender, close set 

 and numerous. Pectoral broad, 1.1 in head; ventrals short, not reaching vent, 1.3 

 in head; dorsal low, not emarginate, the longest spine 2.2, longest ray 2; anal spines 

 rather stout,"graduated, the third 2.5; longest ray 1.7; caudal lunate. 



Color in spirits, uniformly dark with obscure, darker lengthwise stripes indicated 

 by spots at the centers of the scales. 



Type Xo. 5209, American Museum of Natural History, from San Francisquito 

 Bay, April 8, 9^ inches long. 



