566 



Gen, Microstoma Orsd, 



Corpus lincare, teretiusculum, subpellucidum; oculi duo. 



Microstoma lincare Orsd. 

 TMannria linearis Mull. Zool. Dan. Tab. 10fi. 

 Derostoma Icucops Dugcs op. cit. Tom. XV, p. 142, PL 4, 

 fig. 5, 25, 26. 



Vix Derostoma lincare Dugcs. 



Corpore 2|"' Iongo, utrinque acqvaliter attenuato, griseo 

 flavesccnte, sponte dividuo; oculis brunneis, vix conspicuis, in 

 summo margine laterali capitis; peni subgloboso, in appendi- 

 cular! filiformem, duriusculam, acutissimam attenuato, sperma- 

 tozois clavatis. 



Qette er ben ettefle 5trt af affe 95tanarter, jerj §ax feet 

 forpfante fta, oeb ©eelnmcj, ganffe r-aa famme Wlaobe fom 

 ■IRatbewe* #cfe £uben er ooerfaaet meb 2e$emer (rimeiujotte 

 ^jertfer) af en ganffe etenbommelta, 33effaffentjeb. 2)e ere 

 fruffeformebe oa, i TObten forfynebe meb et lifle paraooltjf 

 Sememe, fom oefianbtgt er t 23eoa?a,eIfe* 



Sttmmbeltg t £)amme* 



©Icegten Orthostoma Ehrb. ftoaer rtmettgiottd ncennejt 

 bemte ©tefjt. £o 5lrter ere oefjeubte: O. pellucidum Ehrb. 

 OQ O. rubrocinctum Grube. 



Microstoma leucops Orsd. 

 Planaria linearis Abildgaard. Zool. Dan. T. 109, fig. 7-9. 

 Planaria vulgaris 0. Fabr. loc. cit. Tab. 1 fig. c. 

 Derostoma lanccolatum Dug6s. 



Corporo 1 J"Mongo, posticc magis attenuato-acuminato quam 

 antice, fusccscenle, antice hyalino, marginibus undatis ; oculorum 

 a margine antcriore remotorum lente magna, plana, punctorum 

 duabus seriebus notata. 



^3aa famme ©tcber fom ben foregaaenbe* 

 21 nm. £cr£cn fcore rimeltg&ud Derostoma lincare Ofl Derostoma 

 squalus Dugcs. 



