1936] Schults: Keys to Fishes 159 



fin base. Range : North Pacific south to San 

 Pedro Bay. Marine. Common. 



Rex Sole. Long-finned Sole 



144. Glyptocephalus zachirus Lockington 



13b. Pectoral fin much less than length of head; dor- 

 sal rays 94 to 116; anal 80 to 96; vertebrae 51 

 to 54 ; opercular opening barely extending above 

 pectoral fin base ; body less elongate. Range : 

 Alaska to San Diego, California. Marine. Com- 

 mon. 



Slippery Sole. Chinese Sole. Slime Sole 



145. Microstomas pacificus (Lockington) 



12b. Body with rough scattered stellate tubercles ; bases 

 of dorsal and anal on each side with a single row 

 of stellate tubercles ; no stellate scales on lateral 

 line ; vertical fins marked with wide black bars ; 

 dorsal rays 52 to 66; anal 38 to 47; vertebrae 34 

 to 37. Range : Alaska to Santa Barbara County, 

 California. Marine. Common. 



Starry Flounder 



146. Platiclithys stellatus rugosus Girard 



Family 45. Melamphaidae. Deep Sea Fishes 



la. Dorsal III, 13; anal II, 9; scales 23. Range: Alaska to Oregon. Marine. 

 Rare. 

 147. Plectromus cristiceps (Gilbert) 



lb. Dorsal III, 15; anal I, 8; scales 26. Range: Bering Sea to Panama. Ma- 

 rine. Rare. 

 148. Plectromus lugnbris (Gilbert) 



Family 46. Gasterosteidae. Sticklebacks 



la. Dorsal fin with fewer than 12 separate spines. 



2a. Dorsal fin with 2 to 4 spines. 



3a. Body wholly covered with plates on sides. Range : Europe, Asia and 

 North America. Marine, brackish and entering freshwater. Common. 



Three-Spined Stickleback 



149. Gastcrosteus aculeatiis aculeatus Linnaeus 



3b. Body with no plates or only a few developed anteriorly. Range : 

 Europe, Asia, and North America. Freshwater. Common. 



Three-Spined Stickleback 



150. Gastcrosteus aculeatus microcephalus Girard 



2b. Dorsal fin with 8 to 11 spines. Range; Europe and northern North 

 America. Freshwater and brackish water. Common. 

 Northern Stickleback 151. Pungitius pungitius Linnaeus 



Family 47. Aulorhynchidae. Marine Sticklebacks 



Range: Alaska to southern California. Marine. Abundant. 



Tube-snout. Many-spined Stickleback 



152. Aulorhynchus flaindus Gill 



