172 BULLETIN - 70, UNITED STATES NATIONAL MUSEUM 



nodiferus than northern ochraceus. The undivided basal part of each jaw is relatively 

 high, as in die northern race. Figure 7, same plate, is a blade from a specimen of 

 forma nodiferus, Monterey. In segnis the upper edge of jaw blade varies in minor 

 details, as evidenced by the two specimens figured. 



Type.— No. E 1238, U.S.N.M. 



Type locality. — Sixteen miles south of international boundary, Lower California. 



Distillation. — From type locality to Santa Barbara, Calif., intergrading north 

 of this point with typical ochraceus. 



Specimt ns examined. — Fifteen. 



Laguna Beach, Orange County, Calif., seven, forma nodiferus. Prof. W. A. 

 Hilton. 



Venice, Los Angeles County, Calif., one, forma ochraceus, one forma nodiferus. 

 Prof. A. B. Ulrey. 



Lower California, 16 miles south of international boundary, six forma ochraceus 

 and ochraceus-nodiferus. E. F. Ricketts. 



Remarks. — It is interesing to note that in the southern extension of their ranges 

 both ochraceus and giganteus run to heavier spines, larger and often fewer crossed 

 pedicellariae, and much fewer furcate pedicellariae. 



Mr. Paul O. Greeley observed that on the ocean side of the Government break- 

 water at San Pedro, Calif., segnis predominated to the extent of about 80 per cent 

 while on the harbor side P. giganteus capitatus was the more abundant, there being 

 only 1 or 2 segnis to 50 capitatus (November, 1925). 



PISASTER GIGANTEUS (Slimpson) 



Plate 73, Figures 5, 5a, 56; Plate 74, Figures 3, 3o-3c; Plate 77, Figures 1, 2, 2a, 26, 3, 3a-3c, 5, 6, 

 6a-6d, 7, 7a; Plate 78, Figures 5, 5a, 56; Plate 83, Figure 2; Plate 85, Figure 2; Plate 86, Figure 

 1 1 ; Plate 87 



Asterias gigantea Stimpson, Boston Journ. Nat. Hist., vol. 6, 1857, p. 528, pi. 23, figs. 4, 5, 6 

 (Tomales Bay, Calif.). — Verrill, Trans. Conn. Acad., vol. 1, 1867, p. 327. 



Asterias hltkenii Stimpson, Proc. Boston Soc. Nat. Hist., vol. 8, 1862, p. 265 (California or 

 Oregon).— Verrill, 1867, p. 32.— Perrier, R6v. Stell., 1875, p. 70.— Bell, Proc. Zool. 

 Soc, London, 1881, p. 495.— Sladen, Challenger Asteroidea, 1889, pp. 566, 824.— De 

 Loriol, M6m. soc. phys. et hist. nat. Geneve, vol. 32, 1897, p. 15, pi. 2 [17], figs, l-l/i 

 (Vancouver Island). 



Asterias exquisita de Loriol, Recueil Zool. Suisse, vol. 4, 1887, p. 403, pi. 18, fig. 2 (young 

 specimen, Santa Cruz, Calif.). 



Calliasterias exquisita Fewkes, Zoological Excursions. 1. New Invertebrata from the Coast 

 of California, Bull. Essex Inst., vol. 21, 1889, p. 33. 



P[isaster] lutkenii Verrill, Amer. Journ. Sci., vol. 28, 1909, p. 63; Amer. Nat., vol. 43, 

 1909, p. 543. 



Pisaster hltkenii Fisher, Smithsonian Misc. Coll., vol. 52, 1908, p. 89. — Verrill, Shallow- 

 water Starfishes, 1914, p. 83, pi. 40, figs. 1, 2. 



Pisaster lutkenii var. australis Verrill, Shallow-water Starfishes, 1914, p. 88 (off Pacific 

 Grove, Calif., not San Diego). 



P[isasler\ giganteus Verrill, Amer. Journ. Sci., vol. 28, 1909, p. 63. 



Pisaster giganteus Verrill, Amer. Nat., vol. 43, 1909, p. 545; Shallow-water Starfishes, 1914, 

 p. 89, pi. 37, figs. 1, 2.— Fisher, Ann. Mag. Nat. Hist., ser. 9, vol. 17, 1926, p. 561, 

 pi. 19, figs. 2, 2a, 26; pi. 21, figs. 1, 2. 



