﻿NO. 
  1131. 
  FISHES 
  FROM 
  COLORADO 
  BASIX— 
  GILBERT 
  AND 
  SCOFIELD. 
  491 
  

  

  Specimens 
  from 
  Delta, 
  Colorado, 
  collected 
  by 
  Jordan 
  & 
  Evermaun, 
  

   differ 
  slightly 
  from 
  Green 
  Eiver 
  specimens 
  in 
  size 
  of 
  scales, 
  as 
  will 
  

   appear 
  from 
  the 
  following 
  tables 
  of 
  measurements: 
  

  

  Measiiremevta 
  of 
  Catostomua 
  dlscoholus, 
  Hreett 
  River, 
  Wyoming. 
  

  

  Mtasnnmeuts 
  of 
  Culostomiis 
  disvoboJus. 
  Delta, 
  Colorado. 
  

  

  4. 
  CATOSTOMUS 
  GILA 
  Kirsch. 
  

  

  Eleven 
  specimens 
  were 
  taken 
  at 
  Tempe 
  and 
  agree 
  with 
  the 
  original 
  

   description 
  in 
  everything 
  except 
  the 
  number 
  of 
  papilhe 
  on 
  the 
  lips. 
  

   Our 
  s[)ecimens 
  have 
  six 
  irregular 
  rows 
  on 
  the 
  upper 
  lip 
  and 
  eight 
  or 
  

   nine 
  on 
  the 
  lower 
  lip. 
  

  

  Table 
  of 
  measurements. 
  

  

  5. 
  XYRAUCHEN 
  CYPHO 
  Lockington. 
  

  

  Eight 
  specimens 
  of 
  this 
  species 
  were 
  preserved. 
  It 
  was 
  found 
  ex- 
  

   tremely 
  abundant 
  at 
  Yuma 
  and 
  at 
  all 
  points 
  below 
  as 
  far 
  as 
  the 
  Horse- 
  

   shoe 
  Bend, 
  and 
  in 
  Hardee's 
  Colorado. 
  A 
  table 
  containing 
  measure- 
  

  

  