DISCUSSION OF SPECIES AND THEIR DISTUIItHTION. 97 



II, 355.— GooDE, Proc. U. S. Nat. ilus., in, 483.— Coli.ktt, Bull. Soc. Zuul., Fiaiic.-, xv, 18t)0, 223.— Vail- 



LANT, Exp. Sci. Travaillem- et Talisuian, 102. 

 Chauliodus setiiiotus, Sciineidkr, I. c, pi. i.x.K.vv. — Bonaparte, Faun. Ital., I'esc, fig. 

 Chaidiodes Schucidtri, Eisso, Hist. Nat. Eur. Morid., Ill, 442, fig. 37. 



Dorsal not far behind head, its first ray produced in along filament. I'eetoral fins 

 shoi't. Ventral fins elongate, longer than head. About 30 phosphorescent dots in a series 

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

 long, 7 in total length ; depth about same. (Gilntlur.) 



Eadial formula: B. 17; 1). «; A. 12; V. 7; Lat. 1. SG. 



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 (CoUett); in the Bay of Bengal, l,5!l() fathoms, and the 

 Gulf of Manaar, 597 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 Banks by 

 Gloucester fi.shernien in 1874. This and one (No. 201(>."i, U. S. N. M.) taken off the New 

 England coast in 487 fathoms by the Fish Hawk were the first ever observed oti the coast of 

 North America. A siiecimen has been taken by the Blake at Station oxxxviii, in the old 

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

 Alhatnm in the following localities: No. 35410, U. 8. N. M., from station 217!», in3tto36' 10" 

 N. lat., 71° 50' W. Ion., at a depth of 510 tathoms ; No. 35(i2(), U. S. N. M., from station 2230, 

 in 380 27' N. lat., 73° 02' W. Ion., at a depth of 1,108 tathoms; No. 35639, U. S. N. M., from 

 station 2231, in 38° 29' N. lat., 73° 09' W. Ion., at a depth of 965 fathoms; No. 35556, U. S. 

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

 No. 35633, 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. ,35.538, U. S. N. M., from station 2202, in 38© 38' N. lat., 71° 39' 45" 

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

 N. lat., 710 04' W. Ion., at a depth of 1,022 fatlioms; No. 34908, U. S. N. M., from station 

 2118, in 13° 32' 40" N. hit., 62° 54' W. Ion., at a depth of 690 Mhoms; No. 32660, U. S. N. 

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

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

 from station 2565, in 38° 19' 20" N. lat., 69° 02' .'JO" W. Ion., at a depth of 2,069 tiithoms; 

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

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

 Two specimens were taken by the Fish Hawk, one (No. 16165, U. S. N. M.) from station 

 892, in 39046' N. lat., 71© 05' AV. Ion., at a depth 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 fatlioms. 



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

 fathoms, and in the Gulf of Manaar, 597 fathoms. {Alax-k.) Also in the Laccadive Sea, 

 the Andaman Sea, and the Bay of Bengal. 



Family GONOSTOMIDyE, Goode and Bean. 



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

 with longer ones. Gill rakers present. Pseudobranchia' none. Adipose flu present or 

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

 or part of body. 



KEY TO THE GENEKA OF G0N0STOMID.1i. 



I. Dorsal on posterior half of body. 



A. Dorsal opposite anterior rays ol'aiinl. Intermaxillary slmrf. Air Madder .iliseut. 



1. Scales and adipose tin jiresent. Luminous spots larye .-iiid conspicuous. Vertical tins liigli and 

 long. 



a. No vomerine teeth Ooxostoma 



2. Scales and adipose fin ahsent. 



a. Photophores small. Vertical tins moderate in length Cyci-otiioxf, 



h. Photophores conspicuous. Anal long and high CoXAPAimA 



19868— No. 2 7 



