260 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL.21 



sion of range for the species from Farallon Islands and San Francisco, the 

 type locality. Cordell Bank lies on the 38th parallel due west of Pt. 

 Reyes, Marin County, California. 



Loxorhynchus crispatus Stimpson 

 Plate P, Fig. 3 ; Plate 27, Fig. 2; Plate 28, Fig. 1 



Loxorhynchus crispatus Stimpson, 1857b, p. 453, pi. 22, figs. 2-4. Lock- 

 ington, 1877c, p. 65. Ortmann, 1893, p. 45. Rathbun, 1894, p. 74; 

 1904, p. 175; 1925, p. 200, pis. 66, 67; 1926, p. 25. Holmes, 1900, 

 p. 30. Weymouth, 1910, p. 32, pi. 5, fig. 15. Hilton, 1916, p. 71, 

 fig. 3. Schmitt, 1921, p. 213, text-figs. 133a, 133b. Johnson and 

 Snook, 1927, p. 374, fig. 328. Ricketts and Calvin, 1939, p. 92, 

 pi. 20. 



Type: Male holotype, U.S.N.M. No. 2083, length 87.6 mm, width 

 58.4 mm. 



Type locality: San Miguel Island, California; Lt. W. P. Trow- 

 bridge, collector. 



Localities subsequently reported, with collectors: California: "Cali- 

 fornia," C. M. Scammon, John Mullan, and Bureau of Fisheries (Rath- 

 bun, 1925) ; Point Reyes (Schmitt) ; Farallon Islands, 20 fathoms, Alba- 

 tross (Rathbun, 1904, 1925) ; San Francisco, A. Agassiz (Ortmann), 

 T. G. Cary (Rathbun, 1925) ; Monterey Bay (Weymouth), H. Heath, 

 100 feet, and Albatross, 46-74 fathoms (Rathbun, 1925) ; Monterey, D. 

 S. Jordan (Rathbun, 1894) ; off Point Conception, 31 and 44 fathoms, 

 Albatross (Rathbun, 1894, 1925) ; Santa Barbara, D. S. Jordan (Rath- 

 bun, 1894) ; off San Miguel Island, 26 and 53 fathoms, off Brockway 

 Point, Santa Rosa Island, 38-45 fathoms, off Santa Cruz Island, 36 

 fathoms, and off San Nicolas Island, 45 fathoms, Albatross (Rathbun, 

 1894, 1925) ; Santa Catalina Island: H. N. Lowe, Catalina Harbor, 

 Anton Dohrn, and off Avalon, Albatross (Rathbun, 1925) ; Santa Mon- 

 ica Bay, 22 fathoms, and between Venice and Rocky Point, Anton Dohrn 

 (Rathbun, 1925) ; off Wilmington, 27 and 47 fathoms, Albatross (Rath- 

 bun, 1894, 1925) ; Laguna Beach, A. M. Bean and W. F. Hamilton 

 (Hilton) ; off San Diego, 36 fathoms, Albatross (Rathbun, 1925). 



Fossil: California Pleistocene: Long Wharf, Santa Monica; Dead- 

 man Island, San Pedro (Rathbun, 1926). 



Atlantic analogue: None. A California endemic species. 



Diagnosis: Carapace covered with a few large tubercles standing out, 

 with their surrounding pile, as discrete masses. One spine and a domelike 



