180 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 24 



Allopetrolisthes angulosus (Guerin), new combination 

 Plate 35, fig. 4; text-fig. 6(1) 



Porcellana angulosa Guerin, 1835, p. 115 (type locality, Chile) ; 1838b, 

 p. 7, pi. VII 25, fig. 3 (type locality restricted to Coquimbo) ; 

 1839, p. 175, pi. 51, fig. 3. H. Milne Edwards and Lucas, 1844, 

 p. 34. Nicolet, 1849, p. 195. Targioni-Tozzetti, 1877, p. 212, pi. 

 12, figs. 6, 6a-b, d-e; pi. 13, figs. 1, la-b, d. Cano, 1889, pp. 96, 

 101, 259. 



Porcellana punctata, Dana, 1852, p. 421. Not Allopetrolisthes puncta- 

 tus (Guerin). 



Porcellana carinata Kinahan, 1857, p. 347, pi. 14, fig. 3 (type local- 

 ity, North Chincha Island, Peru). 



P[orcellana] angulosa?, Stimpson, 1858, p. 229. 



Petrolisthes angulosus, Targioni-Tozzetti, 1872a, p. 398; 1872b, p. 470. 

 Ortmann, 1897, pp. 277, 279. Nobili, 1901a, p. 5; 1902, p. 233. 

 Lenz, 1902, p. 745. Rathbun, 1910, p. 599. Porter, 1936b, p. 153; 

 1936c, p. 339. Haig, 1955, pp. 42, 46. 



Petrolisthes reissi Ortmann, 1892, p. 260, pi. 11, fig. 15 (type locality, 

 Golfo de Ancon, Ecuador; corrected to Ancon, Peru, by Ortmann, 

 1897, p. 279). 



Previous records: 



Peru. San Lorenzo: U. S. Expl. Exped. (Dana) ; Vettor Pisani (Cano). 

 Ancon: Reiss (Ortmann 1892). Callao: Hamburg Mus. collec- 

 tion (Haig). North Chincha Island, Islas de Chincha: J. R. Kina- 

 han (Kinahan). 



Chile. "Chile": (Guerin 1835). Iquique: F. Beumer; F. Ringe; Lund 

 Univ. Chile Exped. (Haig). Cavancha: Lund Univ. Chile Exped. 

 (Haig). Antofagasta; Taltal ; Huasco: R. Paessler (Haig). Co- 

 quimbo: Favorite (Guerin 1838b). Bahia Herradura de Guaya- 

 can; Montemar: Lund Univ. Chile Exped. (Haig). Valparaiso: 

 (H. Milne Edwards and Lucas) ; Magenta (Targioni-Tozzetti). 

 Tumbes: L. H. Plate (Lenz). Bahia de Talcahuano: (Porter). 

 Bahia San Vicente: Lund Univ. Chile Exped. (Haig). San Vi- 

 cente: F. Silvestri (Nobili). Canal de Chacao; Golfo de Ancud: 

 Lund Univ. Chile Exped. (Haig). Calbuco: L. H. Plate (Lenz). 



Diagnosis: Carpace nearly smooth, regions not distinct; front with 

 three lobes, median broadly triangular, lateral narrow and rounded; 

 orbital margin without a concavity; carpus with a strong angular 



