575 



3)?unben er engang faa ncer »eb CEnben af tfroppen, font 

 $0$ ben foregaaenbe &rt, ItgelebeS £)oarierne 03 ^efttflerne. 

 3meflem Srebertfo^aon og ©fagen i Cccrounb. 



Gen, Tetrastemma Ehrb. 



Corpus lineare vel lineare oblongum, fissurae respiratoriae 

 indistinct®, oculi quatuor. 



Sfter SZh'neneS Slntat maa $roppen$ Jorm ub^ceoeS font 

 ben otgtigfie (£tjarafteer* £)enne ©fcegt tnboefatter nemtfg be 

 2lrter, $oor ftroppenS Samgbe t gor^olb Hi SBreben er minbft. 



Tetrastemma varicolor Orsd. 



Corpore 14 — 15'" longo, ferme 1"' lato, antice obtuso 

 postice acutiusculo, oculis quatuor quadratum formantibus, ex- 

 Iremitate antica nee macula nee punctis notata. 



Sftergaroen fan abffiffeS 3 SBarieteter, font bog f»ne$ at 

 gaae ooer t ^inanbeu. 



1) Tetrast. varic. lacteoflavescens. 



2) Tetrast. varic. nigro-punctata. 



3) Tetrast. varic. fusco-grisescens linea media longitudinali 

 alba (Planaria dorsalis Abildg. Zool. Dan. Tab. 141). 



3eg $av funbet benne 2frt t 3iM*fat tit Dbenfefjorb t 

 meget por SDtengbe paa Samtnarter, paa tyi\U ben fibber i 

 et albeleS gjenncmftgttgt 9?or, ber cr bannet af en meget t^nb 

 £tnbe, font flutter faa toet omfrtng Stroppen at man t'ffe let 

 mcerfer bend £t'Iftcbe»cerelfe ubfn bcroeb, at ben Ijolber bet tnbe* 

 fluttebe £)or fajt til Sammarternetf SMabe, naar man ot'I fege 

 at tage bet fra famnte. 



Tetrastemma fuscum Orsd. 

 Corpore 12'" longo }"' lato antice obtuso postice acu- 

 tiusculo fusco maculis transversis hrunneis, oculis 4 rectangu- 



