DISCUSSION OF SPECIES AND THEIR DISTRIBUTION. 437 



NOTOSEMA, Goode and Bean. 

 Notosema, Ooodk and Rean, Mull. Miis. Coiiip. Zool., x. 18S;l 



Sinistral pleniouectoids with elliptical body and pedunculate eainlal fin. MoutU mod- 

 erate la size, and beueath the central axis of tlie body. Eyes large upon left side, close 

 togetlier, the upper one nearly encroaching upon the ])rofile, the lower slightly in advance 

 of the upper. Teeth in single series in the jaws, about eiiually developed upon each side, 

 much largest in front; absent on vomer and palatines. Pectoral fins somewhat unequal, 

 that upon the blind side about three fourths as large as its mate. The dorsal fin com- 

 mences slightly behind the anterior margin of the upper eye, and the first eight rays are 

 separated into a distinct subdivision of the flu, several of them being much prolonged. 



Caudal fin pedunculate, rounded posteriorly. Sinistral ventral much elongated. Scales 

 small, strongly ctenoid on colored side of body. Lateral line prominent, strongly arched 

 over the pectoral, alike on both sides. Gill rakers moderately numerous, rather stout, sub- 

 triangular, pectinate jjosteriorly. Pseudobranchi;e well developed. Yertebraj 35. 



NOTOSEMA DILECTA, Goode aud Bean. (Figures 365 A, B,362, young.) 



Notosema dilerta. CoonR and Ukan, Bull. Mus. Couiji. Zool., x, 193. 



Ancytopsetta dilecla. .Tiiudan, Cat. Fish. N. America, 1885, 134. 



The height of the body is contained twice in its total Jeiigtli, without caudal, and is 

 equal to twice the distance of the origin of the ventral from the snout. The height of the 

 caudal peduncle is one-ninth of the standard body length. 



The length of the head is two sevenths of tlie standard length, and three times the 

 diameter of the eye. Width of interorbital area almost imperceptible. Mandible reaching 

 to middle of pupil of lower eye, its length equal to half that of the head. Upper jaw con- 

 tained 2J times in length of head. 



The dorsal fin, beginning almost over the anterior margin of tlie eye, is composed of 

 about 68 rays, the longest of which are the second and third, which are contained twice in 

 the greatest height of the body, and which are almost twice as long as the length of the 

 base of the triangular division of the fin to which they belong. 



The anal fin is made up of 54-50 simple rays, of which the posterior ones are largest, 

 as they are also in the main portion of the dorsal. It begins close to the vent, at a dis- 

 tance from the snout equal to the length of the elongated .sinistral ventral. 



The caudal is pednnculate, its middle rays s(unewhat elongate, giving it a wedge-.shaped 



outline. 



The pectoral of the culored side is subtriangnlar, its lengtli contained five and one- 

 half times in the standard h-nglh. 



The ventrals are composed of six rays, that upon the colored side nmcli ]>rodiHed in 

 its anterior portion, its length more than three times that of its mate. 



Radial formula: D. (ill; A. 5(;; P. 11; V. G; B. 7. Lateral line 4.S (in straight portion). 



Color on the left side purplish brown, speckled with dark brown, and with three large 

 ocellated subcircular spots, nearly as large as the eye, with white center, dark iris, narrow 

 light margin, and a brown encircling outline. They are airanged in the form of an isosceles 

 triangle, the spot marking the apex being upon the lateral line, near the base of the can 

 dal peduncle, the others distant from the lateral line, on either side, a space equal to their 

 own diameters, the lower one nearly reached by the tip of the elongatt; ventral. On the 

 blind side white. Fins blotched witli dark brown. 



The U/flAe obtained 4 specimens from station cccxiii, off Charleston, S. C, in .32^ 31' 

 50" N. lat., 78° 45' W. Ion., at a depth of 75 fathoms, and a single individual from station 

 CLXViii, in 23° 13' N. lat., Sit 10' W. Ion., at a dei)th of 84 fathoms. Examples were also 

 secured by the AlbatronH from station 2311, in 32° .55' N. lat., 77^ .54' W. Ion., at a depth of 

 79 fathoms; from station 2313, in 32° 53' N. lat., 77° 53' \\ . Ion., at a depth of 99 fath- 



