THE NAUTILUS. 107 
Section Mesembrinus Albers. 
160. DryM#us MULTILINEATUS (Say). Key West, Bahia Hon- 
da Key and Lower Matacumba Key, and north to Marco on the 
west coast of Florida; also Venezuela. 
Genus ORTHALICUS Beck, 1837. 
161. OrTHALICUS UNDATUs (Brug.). Key West to the neigh- 
borhood of Bay Biscayne, Florida; also West Indies, Jamaica, ete. 
162. ORTHALICUS MELANOCHEILUS FLORIDENSIS Pils. Florida, 
near Cape Sable; Pavilion Key. 
Genus LIGUUS Montfort, 1810. 
163. Licguus Fascrarus (Miiller). Southern Florida; Key 
West, Lignum Vite and Grassy Keys, to Key Biscayne ; on the 
Gulf Coast from Cape Sable to Goodland Point, near Marco. There 
are numerous color varieties. 
Family UROCOPTIDZ Pilsbry. 
Genus UROCOPTIS Beck, 1837. 
Section Cochlodinella Pils. & Van., 1898. 
164. Urocoptis poryANA (Orb.). Key West and adjacent keys; 
Miami Country, Florida. 
165. Urocopris JeEJUNA (Gld.). Near mouth of Miami River, 
Florida. 
Genus MACROCERAMUS Guilding, 1828. 
Section Microceramus Pils. & Van., 1898. 
166. MacrocERAMUS PoNTIFICUS (Gld.). Key West to Key 
Biscayne, and northward to Tampa, Florida. 
167. MacroceRAMus FLORIDANUS Pilsbry. Sarasota Bay and 
Goodland Pt., Florida (= M. Gossei of authors part, not of Pfr.). 
168. MacroceraMus TEXANUS Pilsbry. New Braunfels, Texas 
(= M. gossei auct. part, not of Pfr.). 
Genus HOLOSPIRA Von Martens, 1860. 
Section Holospira s. s. 
169. Hotosprra GoLprusst (Mke.). Texas, on the Blanco and 
at New Braunfels, Comal Co. 
