188 FAUNA OF NEW ENGLAND. 



Limnea ampla Mighels, Boston Journ. Nat. Hist., 1843, vol. 4,. 

 p. 347, pi. 16, figs, la, lb, Ic (71071 Hartmann). " Second Eagle 

 Lake, Maine." 



Lim7iaea mighelsii Binney, Smithson. Misc. Coll., 1865, vol. 7, 

 art. 2, p. 31, footnote. 



Limnaea emarginata var. mighelsi Nylander, Distr. of Limnaea 

 emarginata in Maine, 1901, pis. 3, 4. 



Me. — Square Lake Inlet, Cross and Portage Lakes, Aroostook 

 Co.; Sebago Lake. 



*Galba oronoensis (Baker). 



Ly7nnaea decollata oronoensis Baker, Nautilus, 1904, vol. 18, 

 p. 62. " Orono, Maine." 



Galha oronensis Baker, Spec. Publ. Chicago Acad. Sci., 1911, no. 3, 

 p. 438, pi. 47, figs. 1-9. 



Me. — Orono; Penobscot River at Lincoln; Caribou River^ 

 Aroostook Co.; Lake Auburn. 



*Planorbis antrosus Conrad. 



Conrad, Amer. Journ. Sci., 1834, ser. 1, vol. 25, p. 343. " Ran- 

 dom's CREEK, near Claiborne, Alabama." 



Pla7wrbis bicarinatus Say, Nich. Encycl., 1817, vol. 2 (no pagina- 

 tion), pi. 1, fig. 4. Gould, Inv. Mass., 1870, p. 491, fig. 742. Walker^ 

 Nautilus, 1909 (won Lamarck, 1804), vol. 23, p. 1, pi. 1, fig. 3. 



Me. to Conn. — Common in most of the ponds and streams. 



*Planorbis antrosus aroostookensis Pilsbry. 



Planorhis bicarinatus aroostookensis Pilsbry, Nautilus, 1895,. 

 vol. 8, p. 115. " East branch of Salmon brook, Woodland, 

 Aroostook Co., Me." Walker, Nautilus, 1909, vol. 23, p. 7, pi. 1, 

 figs. 1, 2. 



Me. — East branch of Salmon Brook, Woodland; Collin's Pond; 

 Caribou River, Caribou (Nylander). 



