4 TJ. S. BUREAU OF FISHERIES. 



Part I.— FISH PROPAGATION AND RESCUE. 

 Summary of Operations. 



SPECIES OF FISHES HANDLED. 



During the fiscal year ended June 30, 1921, tlie bureau propagated 

 and distributed some 48 species of fishes, as shown in the following 

 list. Fishes rescued from overflowed lands in the Mississippi Basin 

 and restored to original waters or distributed in other sections of the 

 United States are included. 



list of species handled. 



The catfishes (Silxteid^) : 



HonuHl puut, bullhead (Ameiurus nebiilosits) . 



Marhhnl cattish (Ameiurus nehulosus DHinnoratufi). 



Mississippi cattish (Ameinms lacustris). 



Spotted cattish, channel cattish (Ictaluriin pujirUrtus). 



Yellow cattish (Leptops olivaria). 

 The suckers (Catostomid.e) : 



Monf^rol biiffalolish (Ictiobns urus). 



CoinuKin hiiffalotish (Ictiobus cyprinella). 



Sniallinoutli bnlfalofish (Ictiohus bubalus). 

 The carps (Cyprinid^) : ^^ 



Asiatic carp {Cyprinus carpio). 

 The shads and herrings (CLUPEiDiE) : 



Shad (Alosa sopidissima). 



Glut herring (Pamolobus aestivalis). 



Skipjack {Pomolubus chrysochloris). 

 The salmons, trouts, whitefishes, etc. (Salmonid.e) : 



Common whitetishes (Coreyonns albus and C clupeafonnis). 



Cisco (chiefly Leucichtliys artedi). 



Chinook salmon, king salmon, quinnat salmon ((hicorhjrnrhvft tscha- 

 wytscha ) . 



Chum salmon, dog salmon (Oncorhynchus Icta). 



Humpback salmon, pink salmon (Onforhynchus t/orhusrha). 



Silver salmon, coho salmon (Oncorhynchus kisvtcli). 



Socke>'e salmon, blueback salmon, redfish (Oncorhynchus ncrka). 



Steelhead salmon (Hnlmo gairdneri). 



Atlantic salmon (Salnw salar). 



Landlocked salmon (Salmo sebago). 



Rainbow trout (Salmo shasta). 



Blackspotted trout, redthroat trout (Salmo lewisi). 



Loch Leven trout (Halmo levenensis). 



Lake trout, ]\Iackinaw trout (Crustivamer namaycush) . 



Brook trout (Salvelinus fontinalis). 

 The (iua YUNGS (Thymallid^) : 



Montana grayling (Thymallus montamis). 

 The smei.ts (Osmerid.e) : 



Smelt (Osmerus mordax). 

 The pikes (Lxtciid.-e) : 



Little pickerel (Lucius vermiculatus) . 



Common )>ickerel (Lucvus Uicius). 

 The suNFTsirKS. dlack basses, and crappies (Centrarciiid.e) : 



Crappies (Pnmoxis annularis and P. Hparoidcs) . 



Largemouth black bass (Micropterus saUnoides). 



Smallmouth black bass (Micropterus dolomieu). 



Tlock bass ( Anibloplites rnpestris) . 



Warmouth bass, goggle-eye (Cha;nobryttU8 gulosus). 



Bluegill sunlish ( Lcprmiis pallidus). 



Common suntish (EupomoHs yibboaus). 

 The perches (Percidje) : 



Pike perch ( Stizostedion intreum). 



Yellow perch (Perca ftOAiescem), 



