THE CANCKOID CRABS OF AMERICA 199 



sprface of movable finger also spiniiloiis ; dark color of fingers covering 

 prehensile edge and extending but a short distance on outer margins. 

 Legs nearly naked. 



Color. — A light lively red above, with several curved lines of white 

 spots over the branchial and hepatic regions, a white lengthened spot 

 on each side of the genital region, and a white mark like a V over the 

 intestinal region. The anterior feet are of a darkish red above, the 

 remaining legs dotted with purplish red. Under side whitish (Bell). 



Measurements. — Male (2376), length of carapace 68.9, width of 

 same 117.2, fronto-orbital width 28, width of front between antennae 

 9, width between tips of inner orbital teeth 13.2 mm. 



Range. — From Callao, Peru, to Port Otway, Magallanes Territory, 

 Chile. To a depth of 6 fathoms (Miers). 



Material examined. — Callao, Peru; May 18, 1908; R. E. Coker; 

 specimen returned to Peruvian Government. 



Peru; specimens in Paris Museum. 



Valparaiso, Chile; J. D. Dana, U. S. Exploring Expedition; 1 male 

 (2376), 4 young (2375). November 1883; Dr. W.H.Jones, U.S. Navy; 

 1 female (14845). 



Talcahuano; low tide; January 15, 1927; W. L. Schmitt; 1 male 

 (61086). 



Lota; February 15, 1888; Albatross; 1 male, 2 females (21975). 



Port Otway; February 9, 1888; Albatross; 1 male, 1 female (21976). 



CANCER PORTERI," new name 

 BOCO 



Plates 83 and 84; Plate 85, Figure 4 



Cancer longipes Bell, Proc. Zool. Soc. London, vol. 3, 1835, p. 87 (type-locality, 



near Valparaiso; type not extant); Trans. Zool. Soc. London, vol. 1, 1835, p. 



337, pi. 43; pi. 47, fig. 1. Not C. longi-pes Linnaeus, 1758. — Kinahan, Journ. 



Roy. Soc. Dublin, vol. 1, 1858, p. 336. — A. Milne Edwards, Nouv. Arch. 



Mus. Hist. Nat., vol. 1, 1866, p. 199. — Miers, Challenger Rept., Zool., vol. 



17, 1886, p. 110.— Ortmann, Zool. Jahrb., Syst., vol. 7, 1893, p. 424.— 



Faxon, Mem. Mus. Comp. Zool., vol. 18, 1895, p. 16. — Lenz, Zool. Jahrb., 



Suppl. 5, vol. 2, 1902, p. 760. 

 Plaiycarciniis longipes Milne Edwards and Lucas, d'Orbigny's Voy. I'Am^r. 



Merid., vol. 6, pt. 1, 1844, p. 20.— Nicolet, in Gay, Hist Chile, vol. 3, 1849, 



p. 144. 



Diagnosis. — Branchial regions nearly meeting on median line. 

 First antero-lateral (orbital) tooth wider than anj?- of the next 7 teeth. 

 Basal article of antennae nearly as broad as long. 



Descrijjtion. — Similar to C. plebejus. Carapace narrower and more 

 convex; inner branchial regions swollen and nearly meeting in the 

 median line; cardiac and metagastric regions correspondingly de- 

 pressed; surface densely granulate, granules visible to naked eye. 



'< For Prof. Carlos E. Porter, of Santiago, Chile. 



