276 



PROCEEDINGS OF THE ACADEMY OF 



Section Callonia Crosse & Fischer. 



[1898. 



Type C. elliottii Poey. Radula typical. See PL XVIII, fig. 18, 

 U. dautzenbergiana (Crosse). Species all Cuban. 



We have enlarged the group of Crosse and Fischer to include 

 other Cuban species having the same internal structure and denti- 

 tion. 



Species elaborately sculptured with hollow ribs : — 



U. elliottii (Poey) [C F.]. 



U. dautzenbergiana (Crosse) 

 [P V.]. 



U. notata (GundL). 

 U. vincta (GundL). 

 U. saxosa (Poey). 



Somewhat smooth species : — 



U. brunnescens (GundL). 

 U. elara (AVright). 

 U. guirensis (GundL). 

 U. infortunata (Arango). 



Species with beaded suture : — 



U. albocrenata (GundL) 



Section Sectilumen Pils. & Van. 



U. ornata (GundL) [B., P V.]. Cuba. PL XVII, fig. 9. 



Section Esochara Pils. & Van. 



Type U. strangulata (Poey), PL XVIII, fig. 15. Distribution* 

 Cuba. 



U. fabreana (Poey) [P V.]. U. teneriensis (Wright). 



U. strangulata (Poey). 



Section Gongylostoma Albers (restricted). 



Type U. elegans (Ph.), PL XVIII, fig. 17 (variety). Also PL 

 XVIII, fig. 16, U. pruinosa. Distribution, Cuba. 



U. artemesice (GundL). 



U. auberiana (D. Orb.). 



U. conereta (GundL). 



U. coronadoi (Arang). 



U. crispula (Pfr.). 



U. elegans (Pfr.) [B., P V.]. 



U.fortis (GundL). 



U. gutierezi (Arango). 



U. lavalleana (Orb.). 



U. obliqua (Pfr.). 



U. planospira (Pfr.). 



U. pruinosa (Morel.) [P V.]. 



Section Tomelasmus Pils. & Van. 



Type U. torquata (Morel.), PL XVII, fig. 8 ; also PL XVIII, 

 fig. 13, U. wrighti var. Radula typical. Species all Cuban. 



