Open AccessAnnelida
Publication year - 1879
Publication title -
philosophical transactions of the royal society of london
Language(s) - English
Resource type - Journals
eISSN - 2053-9223
pISSN - 0261-0523
DOI - 10.1098/rstl.1879.0057
Subject(s) - biology , anatomy
The Annelids obtained are few in number and belong to two species :— Perichaeta,Schmd .Perichaeta rodericensis . Longius vermiformis, anteriora versus citius magisque attenuata, teres, ex carneo flavescens, læte iricolor, paulo pellucida,segmentis fere 110,ante 17mum sitis majoribus, pæne 2-plo latioribus,posterioribus 3-plo fere latioribus quam longis.Lobus capitalis , quoad observare licuit, semiovalis, latior quam longus, linea pæne recta a segmento buccali sepositus.Segmentum buccale illo ut proximo longius.Segmentum 14mum et 15mum (clitellæ) sordide crocea, satis libera ut buccale, nec vero tumida.Setae apice quasi curvatæ, segmentorum ante clitellas sitorum paulo majores, 32-nae ad 36-nas, annulis leviter elatis collocatæ, posteriorum minores, sæpe ægre distinguendæ, ad 60-nas, postremorum 40-nae. Segmentum 17mum subtus pone cingulum setarum utrinque eminentia planiore orbiculari munitum, centro distinctius circumscripto. Aperturae genitales anteriores haud observatæ.