96 DR. COLLINGWOOD ON THIRTY-ONE 



19. Eurylepta violacea, Kel. 



Length 1^ inch ; breadth f inch. 

 Tipper surface violet purple, edged with bright yellow ; median line yellowish. 

 Under surface rose-coloured. 

 Tentacles rudimentary. 

 Ova yellowish. 



This beautiful species, in a quiescent state, resembles some variety of Pansy {Kel.). It 

 appears to be nearly allied to Planaria zebra, Leuck. See Ruppell's Atlas, t. 3. f. la, b. 

 Fig. 19 : a, upper surface ; b, under surface. 



20. Eurylepta dulcis, Kel. 

 Length 1 inch. 

 Tipper surface light green, minutely spotted with reddish brown ; margin white ; median 



bine brown. 

 Tentacles rudimentary. 



Fig. 20. Upper surface. 



21. Eiwylepta purpurea, Kel. 

 Length about 1^ inch. 

 Tipper surface of a beautiful purple colour. 

 Tinder surface paler purple, darkening towards the margin. 

 Tentacles very small and rudimentary. 

 Fig. 21. Upper surface. 



22. Eurylepta viridis, Kel. 

 Length about 1J inch. 



Upper surface green, spotted with brown ; margin darkly grizzled brown. 

 Under surface paler green. 

 Tentacles rudimentary, small, brown. 



This species appears to be nearly allied to Planaria limbata, Leuck. See RuppelTs 

 Atlas, t. 3. f. 4.— C. C. 



Fig. 22. Upper surface. 



23. Eurylepta affinis, Kel. 



Upper surface purple, with yellow border. 

 Tentacles very small and rudimentary. 



Fig. 23. Upper surface. 



24. Eurylepta cerebralis, Kel. 



Length o\ 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 surface of a delicate salmon-colour, with a narrow blackish 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. 



