Revision der Turbellarieii. 4r9o 



Planaria (Typhlolepta?) fuliginosa Leidy: in Proceed. Acad. Pliilad. V. 



223 cum descr. 

 Typhloplana? fuWglnosa R. Leiickart in Troschel's Arch. 18S4. 11.346. 

 Anocelis fuliginosa Stimpson: Prodr. I. 6. sine descr. 

 Habitaculum. In fliivio Raiicocas prope Pembertoii, Neii- 

 Jersey (Leidy). 



Species inquirendae. 



3. Planaria flexüosa MÜLLER. Dies. Syst. Helm. I. 280. 



4. Planaria clliata GMELIN. Dies. Syst. Helm. ibid. 



5. Planaria stagnalis GMELIN. Dies. Syst. Helm, ibid. 



6. Planaria heteroclita FABRICIUS. Dies. Syst. Helm. I. 281. 



II. POLYCLADUS BLANCHARD. 



Planariae spec. Darwin. — Geoplanae spec. Schnitze. 

 Corpus depressum planum v. convexiusculum. Caput corpore 

 coiitinuum. Tentacula nulla. OceUi nulli. Os ventrale siiperiim vel in 

 mediü fere corporis, oesophago cylindrico. Äp er tura genitalis unica 

 antt> OS i). — Americae austro-occidentalis terrae et sylvarum humi- 

 darum incolae. 



1. Polycladus Crayi BLANCHARD. Dies. Syst. Helm. I. 201. adde: 

 Stimpson: Prodr, I. 7. 



Geoplana Gayi 31. Schidtte: in Hall. Abhandl. IV. (18S6), 3. 



2. Polycladus maculatus DIESLNG. Syst. Helm. I. 201. adde: 

 Stimpson: Prodr. I. 7. 



Geoplana niaculata M. Schnitze: 1. s. c. 30. 



3. Polycladus seniilineatns DIESING. Syst. Helm. I. 201. adde: 

 Stiinpson: Prodr. I. 7. 



Geoplana semilineata M. SchuUze: 1. s. c. 30. 



4. Polycladus Darwini DIESING. Syst. Helm, I. 202. adde: 

 Polycladus elongatns Stimpson: Prodr. I. 7. 



Geoplana elongata M. Schnitze: I. s. c. 30. 



5. Polycladus andicola SCHMARDA. 



Corpus planum oblongum supra ex nigro brunnescens, subtus 



laete bruimeum linea mediana coeruleo-alba. Longit. ad 1" lat, ad 3"'. 



Os circulare pharynge (oesophago) brevi cylindrico. Aperturae genitales 



approximatae, supra medium corporis sitae. Penis brevis parum cur- 



vatus basi incrassatus. Motus tardus. ' 



') Character genericus noii salis stnliilif iis ; cl. Schultze animnlculum acl. Blanchard 

 inverse desciiptmn esse siis()ic;itiir; cl. Schniarda in specie P. andicola aperturas 

 genitales diias appvoximatas ante medium corporis sitas meraorat, quod imo tribui 

 repugnaret. 



