﻿MELOLONTHIDiE 
  OF 
  THE 
  UNITED 
  STATES. 
  271 
  

  

  One 
  specimen 
  found 
  with 
  the 
  preceding. 
  This 
  species 
  is 
  by 
  its 
  sculpture 
  related 
  to 
  

   D. 
  punctata, 
  but 
  the 
  thorax 
  is 
  more 
  coarsely 
  punctured, 
  and 
  the 
  costae 
  of 
  the 
  

   elytra 
  are 
  marked 
  with 
  a 
  very 
  strong 
  row 
  of 
  punctures, 
  which 
  with 
  the 
  punctures 
  

   between 
  the 
  geminate 
  rows 
  are 
  furnished 
  with 
  short 
  but 
  stout 
  suberect 
  hairs 
  : 
  the 
  

   punctures 
  of 
  the 
  thorax 
  and 
  those 
  near 
  the 
  frontal 
  suture 
  also 
  emit 
  hairs. 
  The 
  la- 
  

   brum 
  is 
  more 
  deeply 
  emarginate 
  than 
  in 
  the 
  other 
  species, 
  but 
  the 
  under 
  part 
  of 
  the 
  

   claws 
  is 
  as 
  long 
  as 
  the 
  upper, 
  the 
  thorax 
  has 
  a 
  narrow 
  apical 
  membrane, 
  and 
  all 
  the 
  

   other 
  characters 
  are 
  of 
  this 
  genus. 
  

  

  22. 
  D. 
  subangulata, 
  oblonga, 
  convexa, 
  nigro-picea 
  nitida, 
  capite 
  dense 
  punctata, 
  niarginato, 
  fere 
  

  

  hemihexagono, 
  antice 
  late 
  truncate-, 
  thorace 
  haud 
  dense 
  punctato, 
  lateribus 
  rotundatis 
  medio 
  subangu- 
  

  

  latis 
  angulis 
  posticis 
  valde 
  obtusis, 
  elytris 
  fortiter 
  seriatim 
  punctatis, 
  punctis 
  internis 
  solis 
  confusis, 
  

  

  costis 
  parum 
  distinctis 
  subtiliter 
  uniseriatim 
  punctatis, 
  tibiis 
  anticis 
  acute 
  tridentatis. 
  Long. 
  -34. 
  

  

  One 
  specimen, 
  Oregon, 
  Col. 
  McCall. 
  The 
  under 
  part 
  of 
  the 
  claw 
  is 
  a 
  little 
  shorter 
  

  

  than 
  the 
  upper, 
  and 
  less 
  obviously 
  truncate 
  than 
  usual. 
  

  

  ,23. 
  D. 
  bid 
  en 
  tat 
  a, 
  ovata, 
  convexa, 
  nigro-picea, 
  vix 
  aenescens 
  nitida, 
  capite 
  parcius 
  fortiter 
  punctato, 
  

   clypeo 
  rotundato, 
  marginato, 
  sutura 
  frontali 
  impressa, 
  thorace 
  parce 
  fortiter 
  punctato, 
  lateribus 
  oblique 
  

   late 
  rotundatis, 
  angulis 
  posticis 
  obtusis, 
  elytris 
  fortius 
  punctatis, 
  tricostatis, 
  tibiis 
  anticis 
  bidentatis. 
  

   Long. 
  -3. 
  

  

  Georgia, 
  two 
  specimens. 
  Differs 
  from 
  all 
  others 
  known 
  to 
  me 
  by 
  the 
  ovate 
  body, 
  

   the 
  sparsely 
  punctured 
  head, 
  and 
  bidentate 
  tibiae. 
  The 
  punctures 
  between 
  the 
  suture 
  

   and 
  the 
  first 
  dorsal 
  costae 
  are 
  confused, 
  those 
  between 
  the 
  other 
  two 
  costse 
  and 
  the 
  

   first 
  are 
  less 
  so, 
  but 
  still 
  somewhat 
  confused. 
  The 
  punctures 
  of 
  the 
  under 
  surface 
  

   are 
  larger 
  and 
  more 
  abundant 
  than 
  usual 
  : 
  the 
  propygidium 
  is 
  more 
  prominent 
  than 
  

   in 
  the 
  other 
  species 
  and 
  is 
  marked 
  near 
  the 
  apex 
  with 
  a 
  tolerably 
  strong 
  transverse 
  

   raised 
  line. 
  

  

  The 
  following 
  species 
  cannot 
  be 
  refered 
  to 
  its 
  proper 
  division, 
  from 
  the 
  loss 
  of 
  the 
  

   head. 
  

  

  24. 
  D. 
  tenuis, 
  elongata, 
  cylindrica 
  testacea, 
  thorace 
  confertim 
  punctato, 
  antice 
  posticeque 
  angustato, 
  

   lateribus 
  rotundatis 
  medio 
  fere 
  angulatis, 
  elytris 
  seriatim 
  punctatis, 
  punctisque 
  paucis 
  internis 
  con- 
  

   fusis, 
  tricostatis, 
  tibiis 
  anticis 
  obtuse 
  subdentatis. 
  Long. 
  -28. 
  

  

  A 
  dead 
  specimen 
  found 
  at 
  Vallecitas, 
  San 
  Diego 
  County, 
  California. 
  Resembles 
  

   in 
  its 
  proportions 
  D. 
  angularis, 
  and 
  probably 
  belongs 
  to 
  Div. 
  IV., 
  but 
  differs 
  greatly 
  

   in 
  the 
  sculpture 
  of 
  the 
  elytra 
  ; 
  the 
  punctures 
  of 
  the 
  first 
  interstice 
  are 
  confused, 
  those 
  

   of 
  the 
  other 
  intervals 
  between 
  the 
  costs, 
  are 
  represented 
  by 
  rows 
  of 
  punctures 
  equal 
  

   in 
  size 
  to 
  those 
  of 
  the 
  regular 
  rows 
  but 
  more 
  distant 
  ; 
  the 
  costse 
  are 
  without 
  punc- 
  

   tures. 
  The 
  terminal 
  tooth 
  of 
  the 
  anterior 
  tibiae 
  as 
  usual 
  is 
  long, 
  the 
  others 
  are 
  

   almost 
  obsolete 
  : 
  the 
  lower 
  part 
  of 
  the 
  ungues 
  is 
  acute, 
  and 
  hardly 
  shorter 
  than 
  the 
  

   upper 
  ; 
  the 
  posterior 
  tibiae 
  have 
  more 
  long 
  hairs 
  than 
  in 
  D. 
  angularis. 
  

  

  