Das System der Polycladen. 593 



iiLässt keine Aeiigelchen melir eikciiutui, Diese schöne Art, breitoval, 2(i min hnv^, ist noeli bunter 

 gefärbt, indem der Rücken auf dunklem, sandgelben Grunde mitten mit schwarzen, an den Seiten mit 

 orangerothen rundlichen Fleckchen über.sät, die Mitte selbst mit einer orangerothen Längsbinde, der grau- 

 liche Rand mit einer Reihe schwarzer Flecken geziert ist. Von den runden Fleckchen erheben sich einige 

 wie niedrige Papillen, wodurch eine Annäherung au Thysanozoon entsteht. Insel Samoa.« 



Diese Art gehört vielleicht zur Gattung Cycloporus. 



178. Proceros cuucinnus Coi.LiivtiWüOD. 



Coi.LiNGWooi) 1870. 116. pag. 90. Tab. 17. Fig. 4« — c. 



»Lcngth •''', inch. Body narrow, entire, without Tnarginal foldings. Upper surfacc cream-colour 

 approachmg to yellow, with an edging of bluc all round, composed of small and larger spots riuining into 

 one auother. A similar blue streak runs along the median line fruni a little behind the head to somo 

 distauce from the posterior extreniity, through about three quarters the length. Uuder surface cream-co- 

 lour, similarly edged ^vith blue, a brownish streak ruuning through the whole median line, the arbusculiform 

 alimentary tube of a straw-colour occupying the anterior third. Head with two folded tentacles. Eye-specks 

 couglomerated in a small round spot midway between the head and the blue median line. One specimen 

 ou a reef at Labuan, near low-water mark, and a second at Pulo Daak, a small Island between Labuun 

 and the mainland of Bornco, August 25*''.« 



179. Planaria purpurea Kelaart. 



Plauaria purpurea, Kelaart 1858. 80. pag. 13(5. — Diesing 1862. 89. pag. 559. 

 Eurylepta purpurea, ') Collingwood 1876. 116. pag. 96. Tab. 18. Fig. 21. 



Ij »Length about 1 '/2 iuch. Upper surface of a beautiful purple colour. Under siu'face paler purple, 

 darkening towards the margin. Tentacles very small and rudimentary. Trincomale, Ceylon.« 



180. Planaria dulcis Kelaart. 



Planaria dulcis, Kelaart 1858. 80. pag. 137. — Diesiisg 1862. 89. pag. 559. 

 Eurylepta dulcis, ') ( Collingwood 1876. 116. pag. 96. Tab. 18. Fig. 20. 



1 i'Length 1 inch. Upper surface light green, minutely spottcd with reddish brown, margin white, 

 median line brown. Tentacles rudimentary. Trincomale, Ceylon.« 



181. Planaria fusca Kelaart. 



Planaria fusca, Kelaart 1858. 80. pag. 135. — Diesing 1862. 89. pag. 559. 

 Eiu-ylepta fusca, 'j Collingwood 1S76. 116. pag. 95. Tab. 18. Fig. 16. 



1) "Length l'/.2inch. Upper surface dusky brown. Undcr surfacc paler brown. Tentacles inconspi- 

 cuoiis and approximated. Trincomale, Ceylon.« 



182. Eurylepta affinis Collingwood. 

 Collingwood (Kelaart) 1876. 116. pag. 96. Tab. 19. Fig. 23. 

 )jUpper surface purple, with yellow border. Tentacles very small and nidinicntary. Ceylon.« 



Zoul. StutioQ z. Neipol, Fauna uud Flora, Uulf vun Neapel. XI. ruljxhuleu. 75 



