316 



PROCEEDINGS OF THE NATIONAL MUSEUM. 



vol. 48. 



numerous, there being 6 or 7 in the upper tract (5 in 2 specimens) 

 and 8 or 9 in the lower. 



The deeper caudal peduncle, larger eye, and firmer texture also 

 characterize this species; but, above all, the yellow photophores 

 and the number (4) of precaudal photophores, it being now shown 

 through recently acquired material that in nannocMr the photo- 

 phores are claret color in life, and the number of the precaudals is 

 normally 3. 



List of stations. 



4307 

 4327 

 4341 

 4368 

 4412 

 4423 

 4424 

 4434 

 4435 

 4461 

 4468 

 4512 

 4515 

 4527 

 4529 

 4533 

 4536 

 4538 

 4539 

 4540 

 4541 

 4542 

 4544 

 4545 

 4547 



OS San Diego 



Fathoms. 

 169-496 

 263-330 

 188-323 

 240 

 205-274 

 216-339 

 581-594 

 270-281 

 274-287 

 285-357 

 32-309 

 309-530 

 198-495 

 183-337 

 780-799 

 144-293 

 1, 006-1, 041 

 795-871 

 465-009 

 389-551 

 381-633 

 331-677 

 724-1,000 

 700-900 

 1,083 



do 



do 



do 



Off Catalina Island 



Off San Nicolas Island 



do 



Off San Miguel Island 



do 



Monterey Bay 



do 



do 



do 



do 



do 



do 



do 



do 



.....do 



do 



do 



do 



do 



do 



do 





LAMPANYCTUS REGALIS (Gilbert). 

 Myctophum regale Gilbert, Proc. IT. S. Nat. Mus., vol. 14, 1891, p. 7. 



As current descriptions of this species are incomplete and faulty, 

 especially as regards the distribution of the photophores, additional 

 details are here given, based on newly obtained material and veri- 

 fied on the type. 



Measurements in hundredths of length without caudal (153 mm.; 

 specimen from station 4407) : 



Length of head, 28; diameter of eye, 4.8; length of snout, 5.8; 

 interorbital width over middle of eye, 9 ; length of longest gill-raker, 4 ; 

 orbits, 8; length of maxillary, 21.3; distance from orbit to preopercu- 

 lar angle, 16.7;- greatest depth of body, 20; least depth of caudal 

 peduncle, 11 ; distance from snout to dorsal, 47; to adipose fin, 76; to 

 ventrals, 44.5 1 ; to anal, 59; base of adipose fin, 3.2; height at pos- 

 terior margin of adipose, 6; length of pectoral, 11.5; length of 

 ventral, 14.5; length of dorsal base, 18; of anal base, 21. Dorsal, 

 15, or the first a minute rudiment, 16; anal, 18 or 19; ventral, 9, 

 the outer ray short and simple; pectoral, 12. Scales in lateral line 

 37 or 38, 3J rows between lateral line and base of dorsal. 



1 Frequently less, 41 or 42. 



