DISCUSSION OF SPECIES AND THEIR DISTRIBUTION. 171 



supplementary ray behind the last. The anal spines are longer than the dorsal spines, the 

 longest two and one-half times the diameter of the eye. Tlie first, which is somewhat longer 

 than the first dorsal spine, situated behind the vent and under the eighteenth dorsal spine. 



in the specimen figured and described by Yailiant tliere is a semblance of a minute, 

 separate caudal fin, but it is by no means certain that this exists. The pectoral is placed 

 a considerable distance from the operculum, nearly e<iual to the length of the snout, aud 

 its lower axU is in the median line of the body, or nearly so. Its length is about equal 

 to that of the snout. Tlie ventrals, situated at a distance from tlie snout equal to about 

 one-third of the length of the body, do not reach the anus, and are the same size as the 

 pectorals. In Vaillant's specimen they appear to be separate, and he was able to observe 

 but a single spine. The color, in fresh condition, was milky white; the head and iris black. 



Eadial formula, D. 29-37; A. 34-41. 



This species was known to Kisso, who had in his collection the specimen which after- 

 wards served De Filippi as a type and which is now in the Turin Museum. A sketch by 

 Eisso, of this fish, is here reproduced. The Turin specimen was examined by Prof. GiglioU 

 in 1882: it is 160 millimeters long and has the following radial formula: D. 29/1; A. 35. 



Prof. Giglioli has three specimens in his collection at Florence. We are indebted to 

 him for the following details concerning them : 



o. Nice, August 5, 1881 (tyjie of Paradoxiclithys Garihaldianus) : Total length, 199 luillimeters. D. 32/0; A. 

 38/100; P. 9-10; V.1-10; C.4?. This specimen has a long, straight spine, pointed backwards, above the 

 maxillary boue on either side. 

 6. Nice, March 1, 1891 : Totalleiigth, 186 millimeters. D.30/1; A. 41/150; P. 10; V.1/10C.4?. Fouud dead 



and partly decomposed. The peculiar maxillary spine is small in this and in the following specimen, 

 c. Nice, January 27, 1892 : Total length, 160 millimeters. D. 30/0; A. 34/?. Found partially digested in the 

 stomach of Galetis canis. 



In addition to these specimens, one other was taken by the French expedition off the 

 coast of Morocco, station 40, at a depth of 2,212 meters. Its radial formula was D. 37/1; 



A. 27/1 



MACDONALDIA, Goode and Bean, n. g. 



Kotacanthids, with elongate body and inferior mouth. Body and head covered with 

 minute, imbricated scales. Dorsal fin represented by numerous short, straiglit, robust and 

 disjoined spiues, 27 to 34 in number, the first in advance of the insertion of the pectoral. 

 Anal as in N'otacanthus, but lower, and with a longer portion of low, short, slightly curved, 

 disjoined spines, from 35 to 55 in number, which under the final dorsal spines pass into flexi- 

 ble rays. Lateral line straight, conspicuous. Pectorals moderate, placed far back, below 

 the middle line of the body, and remote from the lateral line. Teeth in jaws erect, small; 

 and also in series on the vomer and palate. A line of pores on the inner edge of the mandi- 

 ble. Ventrals moderate, entirely separate. 



Tliis genus is named in honor of Col. Marshall MacDouald, U. S. Commissioner of 

 Fisheries, in commemoration of his liberal policy in furthering ichthyological research. 



MACDONALDIA ROSTRATA, (Collett), Goode and Bean. (Figures 189; 195 A, B.) 

 Notacanthiis rosirniu.'i, Coli.ett, Bull. Soc. Zool., France, 1889, 307. 



The body is greatly compressed, its outlines tapering rapidly in both directions from 

 the origin of the vent. Its greatest height is contained 3.i times in the distance of the vent 

 from the tip of the snout, or about four-fifths the length of the head, which is contained 9i 

 times in the total. The snout is compressed, pointed, snake like, produced beyond the mouth 

 a distance less than the diameter of the eye and contained ;> times in the length of the 

 head. The mouth is small; its cleft scarcely reaches to the anterior nostril. Each jaw is 

 armed with a series of minute teeth and a similar series on vomer and palate. The eye is 

 moderate in size, placed not far from the dorsal profile, distant about 2i diameters from 

 the eud of the suout, more than 3 diameters from the end of the onercle. Gill opening wide. 



