. Annales des sciences naturelles. Zoology; Biology. 286 EUG. DADAY DE DEES dilatato. Endopoditum dilatatum margine posteriore vel infe- riore subrecto, rare setoso, setis crassis ; margine exteriore late rotundato vel subrecto declivique, dense setoso. Exopoditum longitudinem dimidiam partis cete- rae non superans, valde dilatatum, marginibus rotundatis, apice distalî late arcuato. Pénis structura insuflicienter co- gnita. Longitudo 23 mm. Femina. Corpus structura maris simili. Caput fronte appendicibus ar- mata. Appendices frontales duae elongatae, apicem distalem versus sensim incrassatae,
. Annales des sciences naturelles. Zoology; Biology. 286 EUG. DADAY DE DEES dilatato. Endopoditum dilatatum margine posteriore vel infe- riore subrecto, rare setoso, setis crassis ; margine exteriore late rotundato vel subrecto declivique, dense setoso. Exopoditum longitudinem dimidiam partis cete- rae non superans, valde dilatatum, marginibus rotundatis, apice distalî late arcuato. Pénis structura insuflicienter co- gnita. Longitudo 23 mm. Femina. Corpus structura maris simili. Caput fronte appendicibus ar- mata. Appendices frontales duae elongatae, apicem distalem versus sensim incrassatae, in apice distali subclavaceae (fio;. 47, b.]. Antennae. Fig. 47. — Thamnocephalus plalyurus Pack. — a, cf su- pra visum, sec. Packard ; b, 9 caput a latere visum. sec. Packard: c, Ç abdomen cum sacculo ovigero, sec. Packard. superiores brèves, longitudine ocidos pedunculatos fere duplo superantes^. Antennae inferiores complanatae, valde elongatae, retrorsum fere usque ad apicem anteriorem sacculi ovigeri vergentes, apicem distalem versus sensim dilatatae, utcunque follifor- mes. Pedes omnes structura maris si- mili. Sacculus oviger subconicus, longitudine segmentorum 5 abdomi- nis anteriorum, in apice posteriore processibus duobus inaequalibus, superiore latiore, triangulari, inferiore angustiore (fig. 47,c.). Longitudo 26,5 mm. Patria : America borealis, Ellis in Kansas, coll. Walson^ anno 1874, in mensibus junii, septembris et octobris; speci- mina non examinavi. Il faut faire la remarque que le dessin de Packard reproduit en fac-similé peu grossi, et, simplement esquissé, ne correspond pas, dans ses dimensions relatives, à la description originale. Au tronc du mâle nous pouvons compter 16 pattes de cbaque. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Milne-Edwards, H. (Henri), 1800-1885; Au
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectb, booksubjectzoology
