242 RECENT OPHIURANS. 



pure but on the other arms only one; on the second and third joints of each arm 

 a single scale guards the pore; beyond the third joint, there are no tentacle- 

 scales. The under arm-plates are as wide as long or wider, even distal to the 

 middle of the arm. Color (dried from alcohol), nearly white. 



HoLOTYPE (M. C. Z. 1437). Off St. Lucia, 226 fms. Blake St. 215. 



Mr. Lyman refers to this specimen in the Blake Report as "Amphiura 

 tenuispina Ljn." but he labeled the specimen "Amphiura tenuispina var." 

 There can be no doubt I think that it is not merely a variety of tenuispina but a 

 perfectly distinct species. Indeed, for this genus, it is remarkably well-marked 

 since none of the other species lack tentacle-scales, except of course on the 

 distal half of the arm in very young specimens. In tenuispina and squamata, 

 the under arm-plates are noticeably longer than broad beyond the middle of the 



597. A. PUGETANA (Lyman). 



Amphiura pugetana Lyman, 1860. Proc. Boston soc. nat. hist., 7, p. 193. 



Amphipholis pugetana Ljungman, 1867. Ofv. Kongl. Vet.-akad. Forh., 23, p. 312. McCuendon, 

 1909. Univ. Cal. publ. Zool., 6, pi. 2, f. 12, 13. 



37 specimens. Off Alaskan Peninsula, 21 fms. Off Alaska, 68 fms. Puget 

 Sound: Friday Harbor. California: Crescent City; Mendocino. Peru: near 

 Callao, San Lorenzo Island, 2| fms. 



598. A. SQUAMATA (Delle Chiaje). 



Aslerias squamata Delle Chiaje, 1828. Mem. anim. sans Vert. Napoli, 3, p. 74. 

 Amphipholis squamata Verrill, 1899. Trans. Conn, acad., 10, p. 312. H. L. Clark, 1904. 

 Bull. U. S. F. C. for 1902, p. 560, pi. 6, f. 33, 34; pi. 7, f. 43, 44. 



424 specimens. Algeria. Naples. Adriatic Sea: Spezia. Norway. 

 Denmark: Oresund. England: Liverpool. Nova Scotia: Cape Breton. New 

 Brunswick: Grand Manan. Maine: Eastport; Casco Bay. Massachusetts: 

 Nahant; Boston; Vineyard Sound, 4 J fms.; Woods Hole. Rhode Island: 

 Newport. Florida: off Carysfort Reef, 117 fms.; off Sombrero Key, 195 fms.; 

 off Alligator Reef, 110-118 fms. Bermuda. Jamaica: Montego Bay. Off 

 Barbados, 100 fms. Brazil: off Cape Frio, 35 fms. Juan Fernandez. Cali- 

 fornia. Hawaii: Hilo. Society Islands. New Zealand: Wellington; Island 

 Bay. Kermadec Islands: Sunday Island, Coral Bay. Torres Strait: Murray 

 Islands, Mer. Philippine Islands. 



599. A. TENUISPINA (Ljungman). 



Amphiura tenuispina Ljungman, 1864. Ofv. Kongl. Vet.-akad. Forh., 21, p. 360, pi. 15, f. 1. 

 Amphipholis tenuispina Ljtjnqman, 1871. Ofv. Kongl. Vet.-akad. Forh., 28, p. 633. 



13 specimens. Sweden: Bohuslan. Norway. Lofoden Islands. 



