THE NAUTILUS. 107 



Section Mesembrinus Albers. 



160. DRYM^EUS MULTILINEATUS (Say). Key West, Bahia Hon- 

 da Key and Lower Matacuraba 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, etc. 



162. ORTHALICUS MELANOCHEILUS FLORIDENSIS Pils. Florida, 

 near Cape Sable ; Pavilion Key. 



Genus LIGUTJS Montfort, 1810. 



163. LIGUUS FASCIATUS (Muller). Southern Florida ; Key 

 West, Lignum Vitfe and Grassy Keys, to Key Biscayne ; on the 

 Gulf Coast from Cape Sable to Goodland Point, near Marco. There 

 are numerous color varieties. 



Family UROCOPTID^ Pilsbry. 



Genus UROCOPTIS Beck, 1837. 



Section Cochlodinella Pils. & Van., J898. 



164. UROCOPTIS POEYANA (Orb.). Key West and adjacent keys; 

 Miami Country, Florida. 



165. UROCOPTIS JEJUNA (Gld.). Near mouth of Miami River, 

 Florida. 



Genus MACROCERAMUS Guilding, 1828. 



Section Microceramus Pils. & Van., 1898. 



166. MACROCERAMUS PONTIFICUS (Gld.). Key West to Key 

 Biscayue, 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. HOLOSPIRA GOLDFUSSI (Mke.). Texas, on the Blanco and 

 at New Braunfels, Comal Co. 



