108 THE NAUTILUS. 



Section Haplostemma Dall. 



170. HOLOSPIRA MEARNSII Dall. Top of Hachita Grande Mt., 

 Grant Co., New Mexico. 



171. HOLOSPIRA HAMILTONI Dall. Rio Grande Mts., Brewster 

 Co., Texas, 3,500 ft. elevation. 



172. HOLOSPIRA COCKERELLI Dall. Debris of Rio Grande 

 River a,t Mesilla, New Mexico. 



Section Eudistemma Dall. 



173. HOLOSPIRA ARIZONENSIS Stearns. Dos Cabezas, Arizona. 



Section Distomospira Dall. 



174. HOLOSPIRA BILAMELLATA Dall. Hachita Grande Mt., 

 New Mexico. 



Subgenus Metastoma Strebel & Pfeffer. 



175. HOLOSPIRA ROEMERI (Pfr.). New Braunfels, Comal Co., 

 Texas. 



176. HOLOSPIRA CROSSEI Dall. Top of Hachita Grande Mt., 

 Grant Co., New Mexico. 



177. HOLOSPIRA PASONIS Dall. Mule Canyon, El Paso Co., 

 Texas, 4,000 ft. alt. 



178. HOLOSPIRA PILSBRYI Dall. Arizona or New Mexico, ex- 

 act locality unknown. State of Puebla, Mexico. 



Genus CERION (Bolt.) Moreh, 1852. 



179. CERION INCANUM (Binn.). Florida Keys and mainland at 

 Cape Florida. (A specimen of the Cuban C. mumiola has been 

 found at Tortugas, but probably it was accidentally imported in 

 some manner. No indigenous land shells are known from the 

 Tortugas.) 



Family PTJPIDJE. 



Genus STROBILOPS Pilsbry, 1892. 



(==Strobila Morse, 1864, not of Sars, 1835, Acalepha, nor of 

 Sod., 1837, Lepidoptera, nor Strobilus Anton, 1839, Mollusca). 



180. STROBILOPS LABYRINTHICA (Say). Most of the eastern 

 U. S., southwest to Texas. 



180a. STROBILOPS LABYRINTHICA STREBELI (Pfr.). Jackson 

 Co., Ala. ; Northern Florida ; Eastern Mexico. 



(To be continued.) 



