. Annali del Museo civico di storia naturale di Genova. Natural history -- Periodicals. I DIPLOPODI 1A8 Syn. — Pselaphognatlia, Haase, Daday, Pocoek, Porat, HunilKU-t., Bollman, Silvestri, Attems. Faiiiilia mia : Poli/.ve/iidae. Fam. POLYXENIDAE Gray and Jones 1842. Corpus non vel vix contractile. Caput sat magnum, dilatatum. ()culi laterales, g:lo1)osi, utrimque ex ocellis })luriLus compositi vel nulli. In capitis parte su})era-laterali tres vel tpiatuor (lepressiones circulares inveniuntur, sensoriae existimatae, a ([uibus setae prominunt. Antennae 8-articulatae, breves vel longae. Mandibula
. Annali del Museo civico di storia naturale di Genova. Natural history -- Periodicals. I DIPLOPODI 1A8 Syn. — Pselaphognatlia, Haase, Daday, Pocoek, Porat, HunilKU-t., Bollman, Silvestri, Attems. Faiiiilia mia : Poli/.ve/iidae. Fam. POLYXENIDAE Gray and Jones 1842. Corpus non vel vix contractile. Caput sat magnum, dilatatum. ()culi laterales, g:lo1)osi, utrimque ex ocellis })luriLus compositi vel nulli. In capitis parte su})era-laterali tres vel tpiatuor (lepressiones circulares inveniuntur, sensoriae existimatae, a ([uibus setae prominunt. Antennae 8-articulatae, breves vel longae. Mandibulae triangulares, in apice pectinibus densis et ultra, intus lamina tritoria arcuata et crenuJata armata(\ Ma- xillae (Fig. 1) palpis lal)ialibus (J)!) magnis, elongatis, subptMli- formilms, dentiljus tenuibus in- structis, basi globosa aequaliter dentata. Numerus segmentorum praeter caput undecim, pleuris atque laminis ventralibus liberis. Capitis scutorumque dorsualium superficies plerumque setis squamiformibus dentatis, transverse seriatis, in pleuris vero fasciculatis ol)sita. Segmentum ultinuun fasciculis setarum tenuium duobus vel quatuor contingentibus et retrorsum vergentibus obsessum. Paria pedum tredecim. Laminae anales semicirculares in segmento penultimo sitae. c/". Magnitudine feminae subae(|ualis, penis duol)US conicis instructum. Syn. 1821) Penicellata Latreille, Le Régne anim. d. Cuvier, IV, p. 320. » 1837 Oniscoidea (ex p.) Gervais, Ann. d. scien. nat. 2 sei-, VII, p. 41. V 1842 Polyxenidae Gray and Jones, Todd. Cycl. of Anat. and Phys. Ill, p. .546. » 1815 Polyxenidae, Newport, Trans. Linn. Soc. London, XIX, p. 277. » 1847 Pollyxénides Gervais, Ins. apt. IV, p. 01. » 1847 Pollyxeniden C. Koch, Syst. d. Myr. p. 27 et p. 87. >/ 1849 Pollyxénites Lucas, Expl. scien. d. l'Algerie, Zool. I, p. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectnatural, bookyear1870
