﻿888 
  REPORT 
  OF 
  COMMISSIONER 
  OF 
  FISH 
  AND 
  FISHERIES. 
  [100] 
  

  

  375.— 
  XYRICHTHYS 
  Cuvier. 
  (321) 
  

  

  § 
  Xyrichthys. 
  

  

  1168. 
  Xyrichthys 
  psittacus 
  > 
  L. 
  S.W. 
  (951) 
  

  

  1169. 
  Xyrichthys 
  mundiceps 
  2 
  Gill. 
  P. 
  

  

  § 
  Iniislius 
  Gill. 
  

  

  1170. 
  Xyrichthys 
  mundicorpus 
  :; 
  Gill. 
  P. 
  

  

  § 
  Dimalacocenirus 
  Gill. 
  

  

  1171. 
  Xyrichthys 
  rosipes 
  1 
  Jordan 
  & 
  Gilbert. 
  W. 
  

  

  376.— 
  CRYPTOTOMUS 
  5 
  Cope. 
  (322) 
  

  

  1172. 
  Cryptotomus 
  ustus 
  Cuv. 
  & 
  Val. 
  W. 
  (953) 
  

  

  1173. 
  Cryptotomus 
  beryllinus 
  6 
  Jordan 
  & 
  Swain. 
  W. 
  

  

  377.— 
  SPARISOMA' 
  Swainson. 
  

  

  1174. 
  Sparisoma 
  radians 
  Cuv. 
  & 
  Val. 
  \V. 
  ( 
  ( 
  J54 
  d.) 
  

  

  1 
  Coryphcena 
  psittacus 
  L.. 
  Syst. 
  Nat., 
  XII, 
  448, 
  1766=Coryphwna 
  lineaia 
  Gmelin 
  — 
  Xy- 
  

   richthys 
  vermiculatus 
  Poey. 
  The 
  type 
  of 
  Coryphcena 
  psittacus 
  was 
  sent 
  from 
  Charleston 
  

   by 
  Dr. 
  Garden, 
  aud 
  it 
  has 
  been 
  identified 
  as 
  a 
  Xyrichthys 
  by 
  Dr. 
  Bean, 
  who 
  bas 
  exam- 
  

   ined 
  it 
  in 
  London. 
  Possibly 
  another 
  species 
  of 
  this 
  type 
  (Xyrichthys 
  venustus 
  Poey 
  = 
  

   X. 
  lineatus 
  C. 
  & 
  V.) 
  occurs 
  with 
  tbe 
  preceding 
  on 
  our 
  coasts. 
  

  

  3 
  Xyrichthys 
  mundiceps 
  Gill, 
  Proc. 
  Ac. 
  Nat. 
  Sci. 
  Phila., 
  18G2, 
  143; 
  Jordan 
  & 
  Gilbert, 
  

   Proc. 
  U. 
  S. 
  Nat. 
  Mns., 
  1882, 
  367. 
  Cape 
  San 
  Lucas. 
  

  

  3 
  Inii8tiw 
  mundicorpus 
  Gill, 
  I.e., 
  1862, 
  145; 
  Novacula 
  mundicorpus 
  Jordan 
  & 
  Gilbert, 
  

   I.e., 
  367. 
  Cape 
  San 
  Lucas. 
  Tbe 
  subgenus, 
  Iniistius 
  (Gill, 
  Proc. 
  Ac. 
  Nat. 
  Sci. 
  Phila., 
  

   1862, 
  145; 
  type 
  Xyrichthys 
  pavo 
  Cuv. 
  & 
  Val.) 
  is 
  distinguished 
  from 
  Xyrichthys 
  by 
  the 
  

   prolongation 
  and 
  separation 
  from 
  the 
  tin 
  of 
  the 
  first 
  two 
  dorsal 
  spines. 
  

  

  'Xyrichthys 
  rosipes 
  Jordan 
  & 
  Gilbert, 
  Proc. 
  U. 
  S. 
  Nat. 
  Mas., 
  1884, 
  27. 
  Key 
  West. 
  

   The 
  subgenus 
  Dimalococcntrus 
  Gill 
  (Proc. 
  Ac. 
  Nat. 
  Sci. 
  Phila., 
  1863, 
  223; 
  type 
  Xova- 
  

   culichthys 
  callosoina 
  Bleeker), 
  is 
  distinguished 
  from 
  Xyrichthys 
  by 
  the 
  rounded 
  (uot 
  

   trenchant) 
  anterior 
  edge 
  of 
  the 
  bead, 
  and 
  by 
  the 
  partial 
  separation 
  of 
  the 
  first 
  two 
  

   dorsal 
  spiues 
  from 
  the 
  rest 
  of 
  the 
  iiu. 
  

  

  6 
  Cryptotomus 
  Cope 
  (Trans. 
  Am. 
  Phil. 
  Soc., 
  1871, 
  462; 
  type 
  Or. 
  roseus 
  Copc) 
  = 
  Colli- 
  

   odoti 
  Cuv. 
  ; 
  not 
  of 
  Bloch 
  &, 
  Schneider, 
  which 
  is 
  Scarus 
  Forskal. 
  For 
  a 
  detailed 
  ac- 
  

   count 
  of 
  onr 
  genera 
  and 
  species 
  of 
  Scaroid 
  fishes, 
  see 
  Jordan 
  & 
  Swain, 
  Proc. 
  U. 
  S. 
  Nat. 
  

   Mus., 
  1884, 
  81. 
  

  

  6 
  Cryptotomus 
  beryllinus 
  Jordan 
  A:- 
  Swain. 
  Tree. 
  U. 
  S. 
  Nat. 
  Mas., 
  1884, 
  101. 
  Key 
  

   West 
  and 
  Havana. 
  

  

  7 
  Scarus 
  Forskal. 
  

  

  The 
  two 
  groups 
  Scorns 
  (—Jfcmistoma 
  Swainson, 
  and 
  Pscudoscarus 
  Bleeker) 
  and 
  

   Sjmrisoma 
  (= 
  Scarus 
  Bleeker) 
  are 
  really 
  very 
  distinct 
  genera, 
  each 
  represented 
  by 
  

   several 
  species 
  among 
  the 
  Florida 
  Keys. 
  They 
  may 
  be 
  thus 
  defined: 
  

  

  Scauus 
  Forskal. 
  

   ( 
  Calliodon 
  Gronow 
  ; 
  Hemistoma 
  Swainson; 
  Pseudoscarus 
  Bleeker.) 
  

   (Forskal, 
  Doscr. 
  Auim. 
  Oriontali 
  Observ., 
  1775, 
  25; 
  type 
  Scarus 
  psittacus 
  Forskal, 
  

   &c.) 
  

  

  Lower 
  pharyngeal 
  spoon-shaped, 
  much 
  longer 
  than 
  broad, 
  transversely 
  concave 
  ; 
  

   teeth 
  fully 
  coalesced, 
  divided 
  in 
  each 
  jaw 
  by 
  a, 
  distinct 
  median 
  suture; 
  skull 
  broad 
  

   abovo 
  ; 
  gill 
  membranes 
  forming 
  a 
  fold 
  across 
  tbe 
  narrow 
  isthmus; 
  tlorsal 
  spines 
  flex- 
  

  

  