546 Dritter Abschnitt. Sjstematik. 



125. Psevidoceros (mihi) ? papilio Kel.ivart. 



Planaria Papilionis, Kelaart 1858. 80. pag. 136. — -) Diesing 1862. 89. pag. 560. 

 Acanthozoon Papilio'), Collingwood 1876. 116. pag. 95. Tab. 18. Fig. 15. 



1) Gattungsdiagnose, siehe vorhergehende Art. 



Speciesdiagnose : «Length about 1 inch. Upper surface yellow, covered with sinall black spines; 

 margin whitish. Under surface pale yellow. Tentacles folded, but somewhat distinctly formed, black, tipped 

 with white. Looks very like a butterfly moving in the water. Ceylon.« 



2) »In hac et praecedente speeie spinulae dorsales nil aliud esse videntur quam corpuscula bacilli- 

 formia prominentia.« 



126. P,seudoceros (mihi) Zeylanicus Kelaart. 



Planaria Zeylanica, Kelaart 1858. 80. pag. 138. — Diesing 1862. 89. pag. 559. 

 Eurylepta Zeylanica'), Collingwood 1876. 116. pag. 97. Tab. 19. Fig. 26. 



1) »Length 2'/2 inches, breadth lYo inch. Upper surface dark purplish chocolate-brown ; margin 

 crenated, white, with an inner border of orange, and another thin one of black. Under surface paler. Ova 

 white. Apparently allied to Eurylepta interrupta Stimps. Trincomale, Ceylon. May. June.« 



127. Pseudoceros (mihi) cerebralis Kelaart. 



Planaria cerebralis, Kelaart 1858. 80. pag. 135. — Diesing 1862. 89. pag. 558. 

 Eurylepta cerebralis'), Collingwood 1876. 116. pag. 96 — 97. Tab. 19. Fig. 24. 



l) »Length S'/j inches, breadth 3 inches. Upper surface of a yellowish brown colour, and minutely 

 streaked with fine wavy brown lines; border ample, edged with black and streaked with white. Under sur- 

 face of a delicate salmon-colour, with a narrow blackisch border. Head with rudimentary tentacles, formed 

 by two folds of the margin ; mouth large, placed on the anterior third of the lower surface, lips white. Ova 

 greenish white. This was the largest specimen observed. Its colour and the ample foldiugs of tlie niargin 

 call to mind tlie appearance of convoluted brain substance. Trincomale, Ceylon.» 



128. Psevidoceros (mihi) striatus Kelaart. 



Planaria striata, Kelaart 1858. 80. pag. 137. — Diesing 1862. 89. pag. 559. 

 Eurylepta .striata'), Collingwood 1876. 116. pag. 97. Tab. 19. Fig. 25. 



1) nLength l^j-i inches. Upper surface l)rüwnish purple, streaked with brown; marginal folds ample, 

 and edged with a narrow border of dark brown. Under surface pale orange-brown , darker towards the 

 margin and edged with a narrow border of brown. Trincomale, Ceylon.« 



129. Pseudoceros (mihi) cardiosorus Schmarda. 



Eurylepta cardiosora') , Schmarda 1859. 82. pag. 28. Tab. V. Fig. 63. Ein Holzschnitt 

 im Text. 



Proceros cardiosorus, Diesing 1862. 89. ])ag. 552. 



