♦76 AXEL A. OLSSON 



Explanation of Plate 3 



Figure Page 



1. Adrana cnltrata Keen 69 



Copied after Hertlein and Strong, 1940. Length 49.8 mm. Champerico, 

 Guatemala. 



2. Adrana cnltrata Keen 69 



Copied after Sowerby Conch. Illust., fig. 2. Salango, Ecuador. 



3-3a. Adrana so^erbyana (d'Orbigny) 69 



Fig. 3, length 60.5 mm. Isla del Gallo, Colombia.; Fig. 3a, anterior 

 end of same shell enlarged. PRI 25513. 



4-4b. Adrana crenifera (Sowerby) 70 



Fig. 4, length 39 6 mm. Fig. 4a, same shell, anterior end enlarged. 

 Between Punta Ancon and Punta Carnero. Santa Elena. Ecuador. 

 PRI 25514. Fig. 4b. length 45.9 mm. Boca Pan, Peru. PRI 25515. 



5. Adrana suprema (Pilsbry and Olsson) 69 



Copied after Pilsbry and Olsson, 1935. Length 107 mm. Guanico, 

 Panama. 



6. Adrana exoptata (Pilsbry and Lowe) 71 



Length 14.8 mm. Esmeraldas, Ecuador. PHI 25516. 



7. Adrana penascoensis (Lowe) 68 



Copied after Lowe. 1935. Length 37.5 mm. Punta Penasco. Sonora, 

 Mexico. 



8. Jfnculana (Costelloleda) costellata (Sowerby) 67 



Copied after Hertlein and Strong, 1940. Length 22 mm. Santa Inez, 

 California. 



9. NncnTana (Saccella) fast'gata Keen 62 



Length 18.5 mm. Zorritos, Peru. 



10. Nnculana (Saccella) eburnea (Sowerby) 62 



Same specimen as fig. 4a, Plate 2. Length 16.9 mm. Zorritos, Peru. 

 PRI 25510. 



11-lla. Adrana tonosiana (Pilsbry and Olsson) 71 



Length 21.8 mm., fig. 11a. same specimen with the anterior end much 

 enlarged. Bucaro. Panama. PRI 25517. 



12-I2a. Pliilobrya setosa (Carpenter) 148 



Gulf of California, USNM 63720. 



