3l>88 
Bulletin ^ 7 , United States National Museum. 
Text paae. 
80. Catostomus tsiltcoosensis Everiiianii aiul Meek 2703 
Drawing by A. H. Haldwin from the type, No. 48479, U.S.N.M., 
collected by Dr. Meek in Tsiltcoos Lake, Oregon. 
81. Pharyngeal teeth of Catostomus macrocheilus Girard 178 
82. Pharyngeal teeth of Placopharynx duquesnii (Le Sueur) 198 
PLATE XXXIV. 
83. Catostomus commersonii (Lacf^pede) 178 
Drawing by II. L. Todd from No. 104.58, U.S.N.M., collected 
by J. W. Milner at Eeorse, Michigan. 
84. Catostomus ardens Jordan and Gilbert 179 
Drawing by II. L. Todd from the type, No. 273G3, U.S.N.M., 
collected by Dr. .Iordan in Utah Lake, L"tah. 
85. Chasmistes liorus Jordan 183 
Drawing by S. F. Denton from No. 3042, U.S.N.M., collected 
by Dr. .Jordan in Utah Lake. 
PLATE XXXV. 
80. Chasmistes stomias Gilbert 2794 
Drawing by A. II. Baldwin from the type. No. 48223, U.S.N.M., 
collected by Gilbert and Cramer in Upper Klamath Lake, 
Oregon. 
87. Chasmistes copei Evermann and Meek 2795 
Drawing by A. H. Baldwin from the type. No. 48224, U.S.N.M., 
collected by Meek and Alexander in Upper Klamath Lake, 
Oregon. 
88. Xyrauchen cypho (Lockington) 184 
Drawing by S. F. Denton from a specimen collected by Dr. 
Jordan in Green River, Blake City, Utah. 
PLATE XXXVI. 
89. Erimyzon sucetta Lact^pede 185 
Drawing by H. L. Todd from No. 27807, U.S.N.M., collected 
by Dr. Forbes in Nipisink Lake, Illinois. 
90. Minytrema melauops (Rafinesque) 1K7 
Drawing by II. L. Todd from No. 17800, U.S.N.M., collected 
by Dr. Bean in Round Lake, near Montgomery, Alabama. 
91. Moxostoma congestum (Baird and Gir.ard) 192 
Drawing by II. L. Todd from No. 30510, U.S.N.M., collected 
in the Rio Lampasas, Belton, Texas. 
PLATE XXXVII. 
92. Moxostoma austrinum Beau 192 
Drawing by H. L. Todd from the type. No. 23121, U.S.N.M., 
collected at Piedad, in Morelia (Michoacau), Mexico, by 
Prof. A. Dugi'S. 
