﻿390 
  Mr. 
  C. 
  J. 
  Gahan 
  on 
  new 
  Lamiide 
  Coleoptera. 
  

  

  seventh 
  joint 
  in 
  the 
  male 
  of 
  an 
  allied 
  species, 
  which 
  I 
  have 
  

   little 
  doubt 
  is 
  the 
  C. 
  octoh'neata 
  of 
  Bates, 
  though 
  that 
  author 
  

   makes 
  no 
  mention 
  of 
  the 
  character.) 
  

  

  Three 
  male 
  specimens 
  in 
  the 
  collection. 
  In 
  the 
  specimen 
  

   from 
  Nauta 
  the 
  ashy 
  pubescence 
  of 
  the 
  elytra 
  is 
  more 
  inter- 
  

   rupted 
  and 
  appears 
  as 
  a 
  mere 
  reticulation. 
  

  

  Colobothea 
  amama 
  (Chevr. 
  MS.), 
  n. 
  sp. 
  

  

  Nigra 
  ; 
  capitis 
  fronte 
  niveo 
  trilineata, 
  vertice 
  lineis 
  duabus 
  antice 
  

   conjunctis, 
  postice 
  late 
  divergentibus 
  ; 
  protborace 
  supra 
  utrinque 
  

   niveo 
  bilineato 
  ; 
  elytris 
  disco 
  maculis 
  sex 
  niveis. 
  

  

  Long. 
  S 
  23, 
  2 
  14-16 
  mm. 
  

  

  Hab. 
  Bahia. 
  

  

  Dull 
  black 
  ; 
  head 
  with 
  three 
  white 
  lines 
  in 
  front, 
  the 
  

   median 
  line 
  at 
  the 
  vertex 
  dividing 
  into 
  two, 
  which 
  diverge 
  

   widely 
  on 
  the 
  occiput. 
  The 
  disk 
  of 
  the 
  prothorax 
  with 
  two 
  

   white 
  lines 
  on 
  each 
  side, 
  which 
  are 
  united 
  together 
  at 
  the 
  

   base 
  and 
  apex 
  ; 
  each 
  side 
  of 
  the 
  prothorax 
  with 
  a 
  supracoxal 
  

   white 
  vitta, 
  which 
  is 
  continued 
  along 
  the 
  side 
  of 
  the 
  breast. 
  

   Elytra 
  with 
  the 
  shoulders 
  very 
  oblique, 
  forming 
  an 
  almost 
  

   continuous 
  curve 
  with 
  the 
  sides 
  of 
  the 
  prothorax, 
  gradually 
  

   narrowed 
  posteriorly, 
  with 
  the 
  apices 
  broadly 
  truncated 
  and 
  

   the 
  outer 
  angles 
  spined, 
  with, 
  on 
  the 
  disk 
  of 
  each, 
  three 
  snow- 
  

   white 
  spots 
  — 
  one 
  near 
  the 
  base, 
  oblong, 
  the 
  second 
  at 
  the 
  

   middle 
  also 
  oblong, 
  the 
  third 
  towards 
  the 
  apex 
  nearly 
  square 
  ; 
  

   with 
  a 
  narrow 
  white 
  border 
  at 
  the 
  apex 
  and 
  with 
  a 
  small 
  

   white 
  spot 
  on 
  the 
  deflexed 
  side 
  of 
  each 
  elytron 
  anteriorly. 
  

   Body 
  underneath 
  black, 
  with 
  the 
  sides 
  of 
  the 
  breast 
  and 
  of 
  

   the 
  three 
  intermediate 
  abdominal 
  segments 
  white. 
  Legs 
  

   black, 
  femora 
  somewhat 
  ringed 
  with 
  grey 
  ; 
  the 
  first 
  joint 
  of 
  

   the 
  anterior 
  tarsus 
  as 
  long 
  as 
  the 
  two 
  succeeding 
  joints 
  taken 
  

   together 
  ; 
  the 
  first 
  joint 
  of 
  the 
  middle 
  and 
  posterior 
  tarsi 
  as 
  

   long 
  as 
  the 
  three 
  succeeding 
  joints 
  : 
  the 
  anterior 
  tarsus 
  of 
  

   the 
  male 
  dilated 
  and 
  thickly 
  fringed 
  with 
  black 
  hairs. 
  An- 
  

   tenna? 
  wholly 
  black. 
  

  

  This 
  neat 
  species, 
  of 
  which 
  there 
  are 
  three 
  specimens 
  in 
  the 
  

   collection, 
  is 
  easily 
  distinguished 
  from 
  C. 
  cassandra 
  (which 
  

   it 
  somewhat 
  resembles 
  in 
  markings) 
  by 
  the 
  extreme 
  obliquity 
  

   of 
  the 
  shoulders. 
  

  

  Colobothea 
  socia, 
  n. 
  sp. 
  

  

  C. 
  amoence 
  similis, 
  sed 
  differt 
  humeris 
  elytrorurn 
  minus 
  obliquis, 
  

   articulo 
  tarsorum 
  primo 
  breviore 
  ; 
  prothorace 
  supra 
  utrinque 
  late 
  

   univittato, 
  maculis 
  elytrorurn 
  majoribus. 
  

  

  Long. 
  18-21 
  mm. 
  

  

  