DISCUSSION OK SPECIES AM) THEIR DISTRIBUTION. 97 



ii, 355.— Goode, Proe. U. S. Nat. Mus., in, 183.— Collett, Bull. Soc. Zool., France, xt . 1890, 223.— Vail- 



i \si, Exp. Sci. Travailleur et Talisman, loi'. 

 Chauliodus setinotiu, Si hneider, /. < ., pi. i \ kxv.— Bonapakte, Faun. Ital., Pesc, fig. 

 Chauliodes Schneideri, Risso, Hist. Nat. Eur. Mm. I., in, 442, i\ji.31. 



Dorsal not far behind head, its liisf ray produced in along filament. Pectoralfins 

 short. Ventral fins elongate, longer than head. About 30 phosphorescent dots in a sei ies 

 from the chin to the ventrals. Scales of the body subhexagonal. Head nearly as deep as 

 long, 7 in total length ; depth about same. [Oiinther.) 



Radial formula: B. 17; l>.(i; A. 12; V. 7; Lat. 1. 56. 



Greenish above; sides silvery; belly blackish. 



This species has been obtained in the Mediterranean, off the coast of Morocco in 560 

 fathoms by the French; at Madeira (Collett); in the Hay of Bengal, 1,590 fathoms, and the 

 Gulf of Manaar, 507 fathoms, and at various stations in the deep waters of the Atlantic. 

 A single individual has been taken from the stomach of a cod caught on Georges Hanks by 

 Gloucester fishermen in 1874. This and one (No. 26165, U. S. N. M.) taken off the New- 

 England coastin 487 fathoms by the Fish Hawk were the first ever observed on the coast of 

 North America. A specimen has been taken by the Blake at Station exxxvm, in the old 

 Bahama channel, at a depth of 500 fathoms; and specimens have been obtained bj the 

 Albatross in the following localities: No. 35416, U. S. N. M., from station 2179, in 39° 30' 10" 

 N. lat,, 71° 50' W. Ion., at a depth of 510 fathoms; No. 35626, 1'. S. N. M., from station 2230, 

 in 38o 27' N. lat., 73° 02' \Y. Ion., at a depth of 1,168 fathoms; No. 35639, l". S. N. M., from 

 station 2231, in 38° 29' N. lat., 73° 09' W. Ion., at a depth of 9(i5 fathoms; No. 35556, U. S. 

 N. M., from station 2204, in 39° 30' 30" N. lat, 71° 44' 30" W. Ion., at a deptli of 728 fathoms; 

 No. 35033, U. S. N. M., from station 2222, in 39° 03' 15" N. lat., 70° 50' 45" W. Ion., at a depth 

 of 1.537 fathoms; No. 35538, U. S. N. M., from station 2202, in 38° 38' N. lat,, 71° 39' 45" 

 W. Ion., at a deptli of 515 fathoms; No. 33524, U. S. N. M., from station 2094, in 39° 44' 30" 

 N. lat., 71 J 04' W. Ion., at a depth of 1,022 fathoms; No. 34908, U. S. N. M., from station 

 2118, in 13° 32' 40" N. lat,, 62° 54' W. Ion., at a depth of 690 fathoms; No. 326G0, U. S. N. 

 M., from station 2001, iu 37° 46' 30" N. lat., 74° W. Ion., at a depth of 519 fathoms; a speci- 

 men from station 2392, in 28° 47' 30" N. lat., 87° 27' W. Ion., at a depth of 724 fathoms; one 

 from station 2505, in 38° 19' 20" N. lat., 09° 02' 30" W. Ion., at a depth of 2,009 fathoms; 

 one from station 2393, in 28° 43' N. lat.. 87° 14' 30" W. Ion., at a depth of 525 fathoms; 

 one from station 2549, in 39° 51' 30" N. lat., 70° 17' W. Ion., at a deptli of 571 fathoms. 

 Two specimens were taken by the Fish Hawk, one (No. 10165, U. S. N. M.) from station 

 892, in 39° 46' N. lat., 71° 05' W. Ion., at a deptli of 487 fathoms; and another (No. 29068, 

 U. S. N. M.) from station 1048, in 38° 29' N. lat., 73° 21' W. Ion., at a depth of 435 fathoms. 



It has also been obtained by the Investigator in the Bay of Bengal, 738,922, 1,260, 1,590 

 fathoms, and in the Gulf of Manaar, 5! 1 7 fathoms. [Alcoek.) Also iu the Laccadive Sea, 

 the Andaman Sea, and the Bay of Bengal. 



Family GONOSTOMID^E, Goode and Bean. 



Dorsal behind ventrals. Anal long. Teeth in jaws smaU, interspersed more or less 

 with longer ones. Gill rakers present. Pseudobranchise none. Adipose fin present or 

 absent, Scales moderate, very caducous, and possibly in some instances absent from all 

 or part of body. 



KEY TO THE GENERA OF GONOSTOMID^:. 



I. Dorsal on posterior half of body. 



A. I>or.s;i] opposite anterior rays of anal. Intermaxillary snort. Air bladder absent. 



1. Scales and adipose fin present. Luminous spots large and conspicuous. Vertical fins high and 

 long. 



a. No vomerine teeth Gonostoma 



2. Scales and adipose fin absent. 



a. Photophores small. Vertical fins moderate in length Cyclotiioxf, 



b. Photophores conspicuous. Anal long and high Bonapartia 



19868— No. 2 7 



