THE NAUTILUS. 105 
141a. PoLyGYRA MONODON FRATERNA (Say). Pennsylvania to 
‘Texas. 
141b. Potye@yrRA MonNoDOoN aLici# Pils. Calcasieu Parish, S.- 
W. Louisiana. 
141c. Potyeyra MONODON crncTA Lewis. Hayesville, N. C. 
142. Potyeyra LEAT (Ward). Ohio and Michigan to Minne- 
sota, south to Nashville, Tennessee, and Neosho Co., Kansas. 
143. PoLyGyRA GERMANA (Gld.). Astoria, Oregon, to Van- 
couver Island. 
Genus POLYGYRELLA Binney, 1863. 
144. PoLYGYRELLA POLYGYRELLA (Bld. & Coop.). Coeur 
d’Aléne Mts., Idaho. A variety montanensis Ancey is described 
from Deer Lodge Valley, Montana. 
145. PoLyGyRELLA HARFORDIANA (Coop.). Fresno Co., Cali- 
fornia, in the “ Big Tree” District, 6500 feet above the sea. 
Subgenus Ammonitella Cooper, 1869. 
146. PotyG@yRELLA YATEsI (Coop.). Calaveras Co., California, 
at Murphy’s and Cave City. 
Subfamily Sagdine (vel Teleophallogona).' 
Genus THYSANOPHORA Strebel & Pfeffer, 1880. 
147. THysANOPHORA INCRUSTATA (Poey). Corpus Christi, Gal- 
veston and Hidalgo, Texas. Also Cuba. 
148. THysANOPHORA HORNII (Gabb). Fort Grant, Arizona; 
summit of Hachita Grande Mt., Grant Co., New Mexico; also 
Yaqui River, Mexico. 
149. THysaANOPHORA VORTEX (Pfr.). Marco, near Cape Sable, 
and Key West, Florida. Also Bermuda and West Indies. 
150. THysANOPHORA INGERSOLLI (Bld.). Colorado, at high 
altitudes: San Juan, Custer and Mesa Counties; Fly Park, Arizona. 
150a. THYSANOPHORA INGERSOLLI CONVEXIOR (Ancey). Logan 
Canyon, Utah; Weston, eastern Oregon. 
151. THysANOPHORA PLAGIOPTYCHA GRANUM (Streb.). Archer, 
Alachua Co., Evans’ plantation, Rogers River, and vicinity of 
Lake Worth, Florida. Also eastern Mexico and Yucatan, and 
typical plagioptycha from Porto Rico. 
1 This subfamily should have preceded the Polygyrinz. 
