﻿Classification 
  of 
  the 
  Order 
  Mkrocyprini. 
  323 
  

  

  Family 
  Poeciliidae. 
  

  

  Synopsis 
  of 
  the 
  Subfamilies. 
  

  

  I. 
  Exoccipital 
  condyles 
  present 
  ; 
  anal 
  fin 
  of 
  both 
  sexes 
  similar 
  in 
  

   position. 
  

  

  A. 
  Oviparous; 
  anal 
  fin 
  of 
  both 
  sexes 
  similar 
  in 
  structure*. 
  

  

  1. 
  Teeth 
  tricuspid; 
  parietals 
  absent 
  1. 
  Cyprinodontina 
  . 
  

  

  2. 
  Teeth 
  conical 
  or 
  villiform. 
  

  

  Parietals 
  present,; 
  pelvic 
  fins 
  present; 
  epipleurals 
  

  

  D 
  .**&* 
  ; 
  •. 
  2. 
  Fundulince. 
  

  

  i 
  anetals 
  absent; 
  pelvic 
  fins 
  absent 
  ; 
  epipleurals 
  bi- 
  

   furcate 
  or 
  trifurcate 
  3. 
  Orestiinte. 
  

  

  B. 
  Viviparous 
  ; 
  anal 
  fin 
  of 
  male 
  with 
  the 
  first 
  5 
  or 
  6 
  rays 
  short 
  

  

  stiff 
  and 
  subequal, 
  separated 
  by 
  a 
  shallow 
  notch 
  from 
  the 
  rest 
  

   of 
  the 
  n 
  ' 
  n 
  4. 
  Characodontince. 
  

  

  C. 
  Viviparous; 
  anal 
  fin 
  of 
  male 
  modified 
  into 
  an 
  intromittent 
  

  

  organ, 
  the 
  rays 
  of 
  the 
  fin 
  supporting 
  the 
  tubular 
  prolongation 
  

   of 
  the 
  urogenital 
  duct. 
  

  

  Eyes 
  normal; 
  intromittent 
  organ 
  naked 
  ; 
  skull 
  nor- 
  

  

  mal; 
  vertebrae 
  31 
  '. 
  5. 
  Jtnynsiina. 
  

  

  Eyes 
  divided 
  transversely 
  ; 
  intromittent 
  organ 
  scalv 
  ; 
  

  

  skull 
  very 
  depressed; 
  vertebrae 
  4(3 
  to 
  53 
  . 
  . 
  6. 
  Anablepince. 
  

  

  II. 
  Exoccipital 
  condyles 
  absent 
  ; 
  viviparous 
  ; 
  anal 
  fin 
  of 
  male 
  advanced 
  

   and 
  some 
  of 
  its 
  anterior 
  rays 
  enlarged 
  and 
  produced. 
  

  

  7. 
  Pceciliince. 
  

  

  1 
  • 
  C 
  YPMNODONTIN&. 
  

  

  Differ 
  from 
  the 
  Funclulinge 
  only 
  in 
  the 
  tricuspid 
  teeth 
  and 
  

   the 
  absence 
  of 
  parietals. 
  Vertebra? 
  26 
  (in 
  Lebias 
  dispar). 
  

  

  Cyprinodon 
  and 
  Jordanella 
  from 
  North 
  America; 
  Lebias 
  

   and 
  Tellia 
  from 
  Africa 
  and 
  Southern 
  Europe. 
  Some 
  of 
  the 
  

   species 
  are 
  marine. 
  The 
  Miocene 
  Pachylebias, 
  A. 
  S. 
  Wood- 
  

   ward, 
  may 
  be 
  placed 
  here. 
  

  

  2. 
  Fvnbvlinm. 
  

  

  Oviparous. 
  Teeth 
  conical 
  or 
  villiform. 
  Parietals 
  present. 
  

   Exoccipital 
  condyles 
  well 
  developed. 
  Epipleurals 
  simple. 
  

  

  The 
  most 
  generalized 
  and 
  the 
  most 
  widely 
  distributed 
  

   group 
  of 
  the 
  Pcecilioids. 
  None 
  differs 
  much 
  from 
  Goodea 
  in 
  

   osteology, 
  but 
  Lamprichthys 
  retains 
  the 
  basisphenoid, 
  as 
  in 
  

   the 
  Cyprinodontinae. 
  

  

  The 
  vertebras 
  number 
  28 
  to 
  41 
  (28 
  in 
  Haplochilichthys, 
  

  

  * 
  Except 
  in 
  some 
  species 
  otFimdulus 
  in 
  which 
  the 
  oviduct 
  is 
  produced 
  

   r<n 
  the 
  al 
  fin. 
  

  

  