1<S2 mkgascolilX templeton. NOTE XVII. NEW SPECIES OF THE GENUS MEGASCOLEX TEMPLETON (PERICHAETA SCHMAEDA) [N THE COLLECTIONS OF THE LEYDEN MUSEUM BY Dr. R. HORST. Haviag completed the examinatioa of the Earthworms, brought home by the Sumatra-Expedition ^) and destined to be deposited in the collections of the Leyden Museum , I was surprised to find in the latter some specimens of tropical Lumbricina, hitherto not described. These spe-cimens, being collected a long time ago by von Siebold, Kuhl & van Hasselt and Horstock , are not in a very good state of preservation (as was also the case with the worms from the Sumatra-expedition), and so I regret to be not able to give always so exact a description , as should be desirable. Before undertaking the description of the dilfe-rent species , it will be necessary to give some details about the history of the genus Meguscolex , because there seems to exist a good deal of confusion concerning that generic title. The genus Megascolex has been based by Robert Templeton ^), 1) Midden-Sumatra, IV. Natuurl. Historie, 12e Afd. Vermes, door R. Horst. ■i) Ann. ii. Mag. N. H, Vol. XV, p. 59. (in press. Notes trotn the Leyden ]y[uigeuixi, 'Vol. V.
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