188 FAUNA OF NEW ENGLAND. 



Limnea avipla Mighels, Boston Joum. Nat. Hist., 1843, vol. 4, 

 p. 347, pi. 16, figs, la, lb, Ic {nov Hartmann). " Second Eagle 

 Lake, Maine." 



Limnaea mighelsii Binney, Smithson. Misc. Coll., 1865, ^•ol. 7, 

 art. 2, p. 31, footnote. 



Limnaea emarginatd 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). 



Lymnaea decoUata oronoensis Baker, Nautilus, 1904, vol. 18, 

 p. 62. " Orono, Maine." 



Galhaoronensis 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. Joum. Sci., 1834, ser. 1, vol. 25, p. 343. " Ran- 

 don's creek, near Claiborne, Alabama." 



Planorhis 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. 



IVIe. 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). 



