536 axel a. olsson 



Explanation op Plate 63 



Figure Page 



1-la. Solen (Solena) rudis C. B. Adams 420 



Fig. 1, length 87.5 mm.; Fig. la, length 83 mm. Burica Peninsula, 

 Panama. PRI 25824. 



2. Solecurtus broggii Pilsbry and Olsson 354 



Length 84 mm. Pliocene, Punta Blanca, Ecuador. Figure copied 

 after Pilsbry and Olsson, 1941. 



3. Ensis tropicalis Hertlein and Strong 421 



Figure copied after Hertlein and Strong, 1955. Length 50 mm. 

 South passage, Pearl Islands, Panama. 



4. Solen croekeri Hertlein and Strong 



Figure copied after Hertlein and Strong, 1950. Length 38.8 mm. 

 Gulf of Fonseca, Nicaragua. 



5. Solen (Solena) pazensis Lowe 



Figure copied after Lowe, 1935. Length 57.5 mm. La Paz, Lower 

 California. 



6. Solen (Solena) pfeifferri Dunker 420 



Length 43.3 mm. Santa Elena, Ecuador. PRI 25825. 



7-7b. Gari (Gobraens) maxima (Deshayes) 356 



Fig. 7, after Reeve, 1857, Panama; Fig. 7a, length 51.4 mm.; Fig. 

 7b, length 52 mm. San Lorenzo, Santa Elena, Ecuador. PRI 

 25826. 



8. Solecurtus g-uaymasensis (Lowe) 354 



Figure after Lowe, 1935. Length 48.5 mm. Guaymas, Mexico. 



9. Gari (Gobraeus) lata (Deshayes) 356 



Figure after Reeve, 1957. Santa Elena, Ecuador. 



10. Gari (Gobraeus) sp 356 



As regularis Carpenter, after Hertlein and Strong, 1950. Length 

 46.3 mm. Ceralbo Island and Arena Point, Lower California. 



11. Gari (Gobraeus) panamensis, new species 357 



Length 54.5 mm. Palo Seco, Panama Canal Zone. Coll. S. Jadis. 

 Holotype, ANSP. 



12-12a. Gari (Gobraeus) helenae, new species 357 



Length 52 mm. Pearl Islands, Panama. Holotype, ANSP. 



