APPENDIX. 513 



a. Gill rakers very short; dorsal fin on hinder half of body. 



h. Dorsal fin well forward, its last ray inserted nearly over the first of anal; luminous spots over and 

 behind anal forming a nearly continuous series, 

 c. Luminous spots appearing as impressions on the skin, not placed on black globular bodies; anal 



rays 25 to 30; double row of spots behind pectorals ceasing at ventrals Mauuoucu.s. 



cc. Luminous spots occurring as "convex pearls, each sitting on a black globular body;'' anal rays 



about 14 ; double row of spots behind pectorals reaching anal Vinciguerri a, new genus. 



bh. Dorsal fin farther back, nearly opposite anal, its first ray nearly over the front of anal; luminous 

 spots over and behind anal gathered in 5 clusters of 2 to 4 each, the spots on a black back- 

 ground; star-shaped pigment spots along lateral line; anal rays about 24. 



Valenciennellus, new genus. 



VINCIGUERRIA, Jordan & Evermann. 



Tliis genus is close to Maurolicus, from which it diflers, according to Liitken, chiefly 

 in the character of its luminous spots which are pearl-like and placed on black globular 

 bodies. Anal short, of 14 rays. (Named for Dr. Decio Vinciguerra, director of the Acquario 

 Eomauo, and one of the most active and scholarly of the naturalists of Italy.) 



VINCIGUERRIA ATTENUATA (Cocco) Jordan & Evermann. 



Maurolicus attennatus, Cocco, Lett. su. Salmon., 33, 1838, coast of Italy; GOnther, Cat., v, 390, 1864; 



LiJTKEN, Spolia Atlantica, 271, 1892. 

 Seoj)elu« Unorei, Cuvier & Valenciennes, Hist. Nat. Poiss., xxii, 440, 1849; after Cocco. 



Head 3^; depth 6. D. 12; A. 14. Last ray of dorsal just behind vertical from oiigin 

 of anal. Luminous spots slightly prominent, "appearing as convex pearls, each sitting on 

 a black globular body;" 12 to 14 pairs of spots between front of anal and base of caudal; 

 upper row from gill opening to ventrals with 12, 11 between ventrals and anal; from tip of 

 isthmus to anal, 7+16+10=33 spots. Length 2 inches. Open Atlantic, west to the 

 Bahamas; in deep water. (Liitken, etc.) 



VALENCIENNELLUS, Jordan & Evermann. 



This genus is close to Maurolicus but with the dorsal flu farther back, opposite anal, its 

 first ray nearly over front of anal. Photophores above anal gathered in about five clusters, 

 each on a black background ; anal fin long. Deep sea. (Named for Achille Valenciennes, 

 the associate of Cuvier, author of the greater part of the " Histoire Naturelle des Poissous," 

 a noble work which is the foundation of modern ichthyology.) 



VALENCIENNELLUS TRIPUNCTULATUS (Esmark) Jordan & Evermann. 



Maurolicus tripunctulatus, Esmark, Christiania Vid. Selsk., Forh., 488, 1870, Madagascar; LCtken, Spolia 

 Atlantica, Scopelini, 49, 1892. 



HeadSf; depth 3^. D. 9 or 10; A. about 24. Luminous spots arranged in and placed 

 on black bodies, 16 pairs in the lower row from pectorals to ventrals; ~> between ventrals 

 and anal; 5 black areas between vent and caudal about equidistant, and each one with 2 or 

 4 small luminous spots set close together (the first 3 with 3 each, the fourth with 2, and the 

 last with 4); 1 spot on preopercle, 4 near shoulder girdle; •") in an upper row behind pecto- 

 ral; head and region along lateral line with a row of about 16 black pigment spots, some of 

 them star-shaped, with many ra<liations, these largest posteriorly ; large and small ones 

 interspersed. First ray of dorsal slightly before first of anal. Two specimens known, one 

 from Madagascar and one from Denmark Straits, between Greenland and Iceland. 



For Opisthoproctus soleatus see figures and description in Vaillant. We have seen the 

 specimen, but it is incomprehensible to us. 



Page 96: Chauliodus. Insert G. Macouni, Bean (Proc. U. S. N. M., xiii, 1890, 44), 

 described from a single specimen, obtained at Albatross station 2860, off Cape St, James, 

 Queen Charlotte Islands, at a depth of 876 fathoms. 



C. Schneider i (= (J. Sloani) was said by Kisso to have been taken in moyennes profondeurs 

 off Nice, but its Mediterranean habitat is probably in not less than 300 fathoms. The ty])e 

 of the species, originally described by Mark Catesby, the Virginia natui'alist, under the 

 name of Vipera marina, was obtained at Gibraltar. 

 19868— No. 2 33 



