﻿18 
  PROCEEDINGS 
  OF 
  THE 
  NATIONAL 
  MUSEUM 
  vol. 
  67 
  

  

  black 
  annuli 
  disposed 
  more 
  or 
  less 
  regularly 
  in 
  1 
  1 
  sets 
  of 
  threes, 
  the 
  

   middle 
  annulus 
  % 
  as 
  wide 
  as 
  the 
  outer 
  ones; 
  ground 
  color 
  of 
  back 
  

   yellowish-white; 
  1st 
  set 
  of 
  rings 
  on 
  the 
  occiput; 
  head 
  as 
  in 
  Jan's 
  

   figure, 
  7 
  but 
  the 
  black 
  part 
  shows 
  yellow 
  sutures. 
  

  

  79. 
  MICRURUS 
  HETEROZONUS 
  (Peters) 
  

  

  Elaps 
  heterozonus 
  Peters, 
  Sitz. 
  Ber. 
  Ges. 
  Naturf. 
  Freunde, 
  Berlin, 
  1881, 
  

   p. 
  52. 
  — 
  Boulenger, 
  Cat. 
  Snakes 
  Brit. 
  Mus., 
  vol. 
  3, 
  1896, 
  p. 
  417. 
  

  

  Peru.— 
  1 
  specimen, 
  female, 
  No. 
  60701, 
  collected 
  at 
  the 
  Cosireni 
  

   River, 
  4,000 
  feet 
  altitude, 
  on 
  September 
  10, 
  1915, 
  as 
  referred 
  to 
  by 
  

   Barbour 
  and 
  Noble. 
  8 
  Female, 
  v. 
  213; 
  c. 
  17 
  pairs 
  + 
  4 
  single; 
  16 
  black 
  

   rings 
  along 
  the 
  body 
  more 
  or 
  less 
  disposed 
  in 
  threes 
  which 
  character 
  

   has 
  not 
  been 
  emphasized 
  by 
  previous 
  authors; 
  the 
  rings 
  are 
  narrower 
  

   than 
  their 
  interspaces, 
  which 
  are 
  a 
  little 
  lighter 
  between 
  two 
  neigh- 
  

   boring 
  triads 
  than 
  those 
  between 
  internal 
  rings 
  of 
  one 
  triad; 
  2 
  rings 
  

   on 
  the 
  tail; 
  head 
  coloration 
  as 
  described 
  by 
  Boulenger; 
  total 
  length 
  

   580 
  mm. 
  

  

  80. 
  MICRURUS 
  DISSOLEUCUS 
  (Cope) 
  

  

  Elaps 
  dissoleucus 
  Cope, 
  Proc. 
  Acad. 
  Nat. 
  Sci. 
  Philadelphia, 
  1859, 
  p. 
  345. 
  — 
  

   Boulenger, 
  Cat. 
  Snakes 
  Brit. 
  Mus., 
  vol. 
  3, 
  1896, 
  p. 
  422. 
  

  

  Venezuela. 
  — 
  1 
  specimen 
  of 
  this 
  rare 
  and 
  poorly 
  described 
  species. 
  

   No. 
  59865, 
  female, 
  collected 
  by 
  Mr. 
  Curran. 
  Snout 
  obtusely 
  

   pointed; 
  eye 
  much 
  shorter 
  than 
  its 
  distance 
  from 
  the 
  mouth; 
  rostral 
  

   broader 
  than 
  deep; 
  frontal 
  narrow 
  and 
  elongate, 
  about 
  twice 
  as 
  long 
  

   as 
  broad, 
  shorter 
  than 
  the 
  parietals 
  which 
  are 
  very 
  elongate 
  and 
  longer 
  

   than 
  their 
  distance 
  from 
  the 
  internasals; 
  one 
  prae 
  and 
  two 
  postocu- 
  

   lars; 
  seven 
  upper 
  labials, 
  third 
  a 
  little 
  larger 
  than 
  fourth, 
  and 
  both 
  

   entering 
  the 
  orbit, 
  seventh 
  well 
  developed; 
  temporals 
  1 
  + 
  1; 
  three 
  

   lower 
  labials 
  in 
  contact 
  with 
  anterior 
  chin-shields 
  which 
  are 
  a 
  little 
  

   shorter 
  than 
  posterior; 
  v. 
  199; 
  a. 
  1/1; 
  c. 
  22 
  p. 
  Coloration: 
  Six 
  

   sets 
  of 
  3 
  black 
  rings, 
  the 
  middle 
  one-third 
  as 
  wide 
  as 
  the 
  outer; 
  head 
  

   black 
  above 
  with 
  a 
  yellow 
  transverse 
  band 
  posteriorly 
  situated 
  and 
  

   covering 
  the 
  posterior 
  half 
  of 
  the 
  frontal, 
  supraocular, 
  and 
  5th 
  

   labial, 
  all 
  the 
  upper 
  postocular, 
  6th 
  labial 
  and 
  anterior 
  temporal, 
  

   the 
  anterior 
  half 
  of 
  the 
  7th 
  labial 
  and 
  all 
  the 
  posterior 
  temporals 
  and 
  

   parietals. 
  Total 
  length, 
  450 
  mm. 
  

  

  81. 
  MICRURUS 
  MIPARTITUS 
  (Dumeril 
  and 
  Bibron) 
  

  

  Elaps 
  mipartitus 
  Dumeril 
  and 
  Bibron, 
  Erp. 
  Gdn., 
  vol. 
  7, 
  1854, 
  p. 
  1220. 
  — 
  

   Boulenger, 
  Cat. 
  Snakes 
  Brit. 
  Mus., 
  vol. 
  3, 
  1896, 
  p. 
  431. 
  

  

  Elaps 
  microps 
  Boulenger, 
  Proc. 
  Zool. 
  Soc. 
  London, 
  1913, 
  p. 
  1036, 
  pi. 
  108, 
  

   fig. 
  2. 
  

  

  Ecuador. 
  — 
  2 
  specimens: 
  No. 
  62795, 
  female, 
  sent 
  by 
  Mr. 
  Goding: 
  

   Eye 
  small; 
  t. 
  1 
  + 
  1, 
  anterior 
  very 
  narrow; 
  4 
  lower 
  labials 
  in 
  contact 
  

  

  » 
  Icon. 
  Qen., 
  pt. 
  42, 
  1872, 
  pi. 
  6, 
  fig. 
  1. 
  

  

  » 
  Proc. 
  U. 
  S. 
  Nat. 
  Mus., 
  vol. 
  58, 
  1920, 
  p. 
  619. 
  

  

  