Dugesia tigrina (Girard, 1850) 



Synonyms: Planaria maculata Leidy, 1847; P. tigvina Girard, 1850; P. lata 

 Sivickis, 1923; Dugesia maculata'. Girard, 1851; D. lata: Hyman, 1951; 

 Euplanaria maculata: Kenk, 1930; E. lata: Kenk, 1930; E. tigrina: Kenk, 1935; 

 E. novangliae Hyman, 1931; ?E , microbursalis Hyman, 1931; IDugesia 

 microbupsalis : Hyman, 1939; ?D. gonooephaloides Girard, 1850; ?Planaria 

 gonooephaloides : Stimpson, 1857; ?P. gonocephala: Woodworth, 1897 (not Duges , 

 1830). 



8 



vd 



de am ac gp 



Fig. 9 after Kenk (1935). 



10 



Fig. 10. Pigment patterns (after Hyman, 1939b). 



20 



