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Full text : Sitzungsberichte der Mathematisch-Naturwissenschaftlichen Classe der Kaiserlichen Akademie der Wissenschaften Sitzungsberichte der mathematisch-naturwissenschaftlichen Classe der Kaiserlichen Akademie der Wissenschaften, Wien, 1. Band, (Jahrgang 1848)

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S70

D  i  e  s  i  n  g.

Subclassis  I.  Achaethelmintha.
Corpus  setis  retractilibus  destitutum,  molle  aut  elasticum
Sectio  1.  Achaethelmintha  mollia.
Corpus  molle,  utplurimum  depressum.
1.  Ordo  Prothchnintlia.  Tractus  cibarius  uvaeformis.  Acetabulum
nullum.  Microscopica.
II.  Ordo  Turbellariea.  Tractus  cibarius  arbusculiformis  aut  simplex.
  Acetabulum  nullum,  rarissime  unicum.  Formae  majores.
III.  Ordo  Myzelmintha.  Tractus  cibarius  dichotome-ramosus  aut
simplex.  Acetabulum  unum  aut  plura  corpori  immersa,  rarissime
nullum.
IV.  Ordo  Cephulocotylea.  Tractus  cibarius  dichotomus  aut  simplex.
Aeetabulam  1,  aut  2,  4,  8  capiti  immersa.
Sectio  II.  Achaethelmintha  elastica.
Corpus  elasticum,  utriculare  aut  subcylindricum.
V.  Ordo  Rhyngodea.  Tractus  cibarius  subnullus  aut  simplex,  Corpus ­
  utplurimum  utriculare.  Proboscis  protractilis.
VI.  Ordo  Nematoidea.  Tractus  cibarius  simplex.  Corpus  subcylindricum. ­
  Proboscis  protractilis  nulla.
Subclassis  II.  Chacthclmmtha.
Corpus  setis  retractilibus  instructum,  molle.

Conspectus  schematieus  familiarum  et  generum  Prothelminthum.
ORDO  I.
PROTHELMIITHA.

Subordo  I.  Aprocta.
Anus  nullus.  Flagello  instructa,  aut  rarius  flagello  destituta.
Tribus  I.  Atricha.
Corpus  nudum  i.  e  nec  ciliis  nec  setis  instructum,  liaud  mutabile
aut  mutabile.
            
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