462 DEEP-SEA FISHES OF THE ATLANTIC BASIN. 



AMMOPLEUROPS, Gunther. 

 Ammopleurops, Gunther, Cat. Fish. T.rit. Mus., n, 1862, 490. 



Byes od the left side; pectorals none; vertical fins confluent. Scales ctenoid, decidu- 

 ous, of moderate size; one lateral line. Snout .short, with the upper portion not produced 

 into a hook; mouth unsymmetrical, rather narrow; teeth minute, on both .sides. 



AMMOPLEUROPS LACTEUS. (Bonaparte), Gunther. 



Plagusia lactea, Bonaparte, Fauna Italica, Pesci, Faac. V, plate.— Costa, Fauna Napolitana, n, 60, pi. 1. — 



Canestrini. Arch. Zool., i, 13, pi. i\. fig. 3; Pesci d'ltalia, 168. 

 J mmopleiirops lacti us, i li n i ber, Cat. Fish. I.ril. Mus., i\ . 490. — Vaii.lani. Exp. Sci. TravaOleur et Talisman. 



1888, 192. 



Ammopleurops, with body 3J and head nearly 4 times in total length (without caudal). 

 Width of interorbital space about one fourth length of head. Two nostrils in front ol lower 

 eye. Lips not fringed. 



Radial formula: D. 90; A. 72 (D.+A.+G. 162—178); P. none; V. 4. 



Color, rosy white, the white side a little brighter. Vertical fins spotted with brown near 

 base. 



The French ships obtained it on the coast of Spain in 60 meters (station v); off .Soudan, 



250 ters (station lxv); on the Banc d'Arguiu, L40-235 meters (stations xci-xcii); in the 



Gulf of Gascony, lot) meters | Travailleur, 1882, vm), and off Pehon de Velez in 370-420 

 meters. 



ARELIA, Kaii].. 



Arelia, Kadp, Wiegmann's Archiv, 185S, 106. — Hlkkkkr. Enumeratio, 184. — Gi niim r, Cat. I ish. Kin. Mus., 

 i\ . 493 i as subgenus). 



Sinistral pleuronectoids, ' having no pectorals and confluent vertical (ins. Scales 

 ctenoid and lateral line triple. Snout hooked and mouth twisted; two uostrilson left side. 

 Teeth dextral, minute. 



This, like the related genera or subgenera grouped by Giiuther under Gynoglossus, is 

 strictly East Indian. It is found in deep water in the Bay of Bengal, Investigator station 

 96,98-102 fathoms, where it is represented by Gynoglossus Garpenteri, Alcock. (Journal of 

 Asiatic Society of Bengal, i.vm, n, 287, pi. xvm, tig. 1; Ann. and Mag. Nat. Hist., 1800, n, 

 217.) Dr. Alcock is of the opinion that "the general fades of this fish is certainly bathybial." 



Order CRANIOMI. 



Craniomi, Gill, Proc. U. S.Nat. Mus., 1888, 589. 



Teleocephali with the scapular arch abnormal, the post-temporal forming an integral 

 part of the cranium and the postero-temporal crowded out of place by the side of the pro- 

 scapula above or at the edge of the post-teinporal. I Gill.) 



Family TRIGLID^E. 



Les Triglides, Risso, Hist. Nat. Eur. Merid., 1826, iv, 39: . 



Triglhhr, BONAPARTE, Saggio, etc., 1831; Catalogo Metortieo, 1846,60. — SWAINSON, Hist. Nat. Fish., etc., 



1839, n, 179. — Kacp, Wiegmann's Archiv, 1858, 329. — Gunther, Cat. Fish. Brit. Mus., ii, 80.— Gill, Air. 



Fain. Fish., 1872, 6 (Xo. 53).— Jordan and Gilbert, Hull, xvi, U. S. Nat. Mus., 731. 



Body elongate, usually more or less fusiform. Head externally bony, usually entirely 

 cuirassed with rough, bony plates, some of which are aimed with spines; eyes high ; mouth 

 terminal or subiuferior; preinaxillaries protractile; maxillary without supplemental bone, 

 slipping under the preorbital; teeth very small, in bands in the jaws, and usually on 

 the vomer aud palatines; gills 4, a large slit behind the fourth; pseudobranchiae present; 

 gill-rakers various; gill-membranes free or variously attached to the isthmus. Ventral 

 tins thoracic, wide apart, separated by a flat area, I, 4 or I, 5. Spinous dorsal present, 



