FIGURES 



Page 



1 Baiting of planarians in lakes 2. 



2 Digestive system of a planarian 5 



3 Reproductive system 6 



4 Egg capsules of planarians 9 



5 Muscle layers of pharynx in cross section 13 

 6,7 Cvra fovemanii 19 



8-10 Dugesia tigrina 20 



11-12 Dugesia dorotoaephala 22 



13,14 Dugesia antiltana 23 



15,16 Dugesia polychora 24 



17,18 Polyaelis oovonata aoronata 25 



19 Polyaelis aoronata brevipenis new subspecies 26 



20 Polyoetis aoronata borealis 27 

 21,22 Planaria daotyligeva daotytigera 28 



23 Planaria daatytigera musaulosa 29 



24,25 Planaria occulta 30 



26,27 Eymanella retenuova 31 



28,29 Phagooata oregonensis 32 



30 Phagoaata monopharyngea 33 



31,32 Phagooata vemalis 34 



33,34 Phagooata velata 35 



35,36 Phagooata bulbosa 36 



37,38 Phagooata bursaperforata 37 



39,40 Phagooata tahoena 38 



41,42 Phagooata orenophila 39 



43,44 Phagoaata morgani morgani 40 



45 Phagoaata morgani polycelis 41 



46,47 Phagooata nivea 42 



48,49 Phagooata gracilis 43 



50,51 Phagooata woodworthi 44 



52,53 Sphalloplana percoeoa 45 



54,55 Sphalloplana alabamensis 46 



56,57 Sphalloplana georgiana 47 



58,59 Sphalloplana virginiana 48 



60 Sphalloplana kansensis 49 



61,62 Sphalloplana priaei 50 



63,64 Sphalloplana buohanani 51 



65,66 Sphalloplana hubriahti 52 



67,68 Sphalloplana hoffmasteri 53 



69,70 Sphalloplana weingartneri 54 



71,72 Sphalloplana mohri 55 



73-75 Kenkia rhynahida 56 



76,77 Macroootyla glandulosa 57 



viii 



