COMPLETE HAIG: EASTERN PACIFIC PORCELLANIDAE 185 



According to field notes made by Brattstrom and Dahl on the 

 Lund University Chile Expedition, the local name for the species in 

 Chile is "tijerita." 



Range: Ancon, Peru, south to Talcahuano, Chile. 



Allopetrolisthes spinifrons (H. Milne Edwards), new combination 

 Plate 35, fig. 3; text-fig. 6(3) 



Porcellana spinifrons H. Milne Edwards, 1837, p. 256 (type locality, 

 shores of Chile). H. Milne Edwards and Lucas, 1844, p. 34. Nico- 

 let, 1849, p. 193. Dana, 1852, p. 424. Philippi, 1860, p. 169. Cano, 

 1889, pp. 96, 99, 261. 



Petrolisthes spinifrons, Nobili, 1901a, p. 6; 1902, p. 233. Lenz, 1902, 

 p. 746, pi. 23, fig. 3. Rathbun, 1910, pp. 559, 599, pi. 48, fig. 5. 

 Haig, 1955, pp. 42, 47. 



Previous records: 



Peru. San Lorenzo: U. S. Expl. Exped. (Dana). Islas Pescadores: R. E. 

 Coker (Rathbun). 



Chile. "Chile": (H. Milne Edwards). Pisagua: Kophamel (Haig). 

 Caleta Buena: R. Paessler (Haig). Iquique: R. Paessler; F. Ringe 

 (Haig). Antofagasta: R. Paessler (Haig). Mejillones del Sur: H. 

 Piening (Haig). Coloso near Antofagasta; Taltal: R. Paessler 

 (Haig). Isla Blanca: R. A. Philippi (Philippi). Coquimbo: Vettor 

 Pisani (Cano). Bahia Herradura de Guayacan: Lund Univ. Chile 

 Exped. (Haig). Montemar: Lund Univ. Chile Exped.; F. Riveros- 

 Zuniga (Haig). Valparaiso: (H. Milne Edwards and Lucas) ; U.S. 

 Expl. Exped. (Dana). Tumbes: L. H. Plate (Lenz). Bahia San 

 Vicente: Lund Univ. Chile Exped. (Haig). San Vicente: F. Sil- 

 vestri (Nobili). 



Diagnosis: Carapace covered with granules and tubercles, regions 

 distinct; front with five lobes, median broadly triangular, lateral nar- 

 row and rounded, others smaller, lower placed ; orbits angular, concave ; 

 carpus with a strong angular lobe on proximal half of anterior margin, 

 joining distal portion of margin at nearly a right angle. 



Description: Carapace convex front to back; surface very uneven, 

 covered with large, rough granules and small tubercles, regions dis- 

 tinct; devoid of hairs. Front with five lobes, the median one broad, 

 triangular, more projecting than lateral lobes, latter narrower, rounded 

 at tips; between them and median lobe the two supplementary lobes, 



