51g AXEL A. OLSSON 



Explanation of Plate 45 



Figure Page 



1-lb. Pitar (Pitar) eleiiensis, new species 275 



Figs. 1, la, length 45.5 mm., Santa Elena, Ecuador. Holotype, ANSP 

 218901; Fig. lb, length 33.7 mm. Acapulco, Mexico. 



2-2a. Pitar (Pitar) helenae, new species 276 



Length 23.8 mm. Pearl Islands, Panama. Holotype, ANSP 218899. 



3-3c. Pitar (Pitar) consanguineus (C. B. Adams) 274 



Fig. 3, length 32 mm.; Fig. 3a, 3b, length 31.7 mm.; Fig. 3c, length 

 31.8 mm. Venado Beach, Panama Canal Zone. PHI 25723. 



4-4a. Tinctora vulnerata (Broderip) 282 



Length 47.6 mm. Holotype, British Museum (Nat. History). 



5. Pitar (Pitar) fluctuatus (Sowerby) 275 



Copy of Sowerby's figure in Thesaurus Conchyliorum, vol. 2. pi. 

 136, fig. 185. 



6-6a. Pitar (Hyphantosoma) liertleini, new species 276 



Length 35.9 mm., Gorgona Island, Colombia. Holotype, ANSP 218921. 



7. Pitar (Pitar) fluctuatus (Sowerby) 275 



Copied after Hertlein and Strong, 1955. Guayabo Chiquito, Panama. 



