4ss axel a. olsson 



Explanation of Plate 15 



Figure Page 



1. Lithophaga (Labis) inca d'Orbigny 135 



Length 83 mm. Paita, Peru. Holotype, British Museum (Nat. 

 History). 



2-2a. Lithophcga (Labis) peruTiana (d'Orb'gny) 135 



Fig. 2, length 55 mm.; Fig. 2a. length 58.8 mm. Paracas, Peru. 

 PRI 25583. 



3-3c. lithophaga (Labis) attemiata (Deshayes) 134 



Fig. 3, length 66.9 m.; Fig. 3a, length 74 mm. Esmeraldas, Ecuador. 

 PRI 25584; Figs. 3b, 3c, length 94 mm. Manta, Ecuador. PRI 

 25585. 



4. Lithophaga (Labis) attenuata (Deshayes) 134 



Length 38.5 mm. Peru. Weyrauch Coll. PRI 25586. 



5-5f. Lithophaga (Rupiphaga) hastasia, new spec'es 139 



Figs. 5, 5a, length 38.3 mm. paratype; Figs. 5b, 5c, 5d, length 24.5 

 mm. holotype; Fig.. 5e. detached spur, length 24.4 mm.; Fig. 5f, 

 length 30 mm. paratype. All specimens from Esmeraldas, Ecuador. 

 Holotype, ANSP 218931. 



6. Lithophaga (Diberus) cf. snbnla (Reeve) 138 



Length 39.3 mm. Manta, Ecuador. FRI 25587. 



7. Lithophaga (Leiosolenus) spatiosa Carpenter 136 



Length 27.5 mm. Bahia Honda, El Lagartillo, Panama. P"RI 25588. 



