196 PROCEEDINGS OF THE NATIOXAfj ilUSEUM. vor.. 56. 



Cliaetodon sanctae-helenae Gtinther. 423 1 1 . 



Alticus textilis (Valenciennes). 42318. 



The types of Holopterura plumhea Cope, and Syngnatltus pellegriiii, 

 new species, are in the Academy, and numbered 22964 and 975, 

 respectively, in the catalogue of that institution. 



Acknowledgment is here offered to the authorities of the United 

 States National Museum for the privilege of reporting on their 

 collections, and also to Doctor Moore and Captain Silvester for the 

 loan of their material used in this connection. 



DESCRIPTIONS OF SPECIES. 

 1. HoRTA, Fayal Island, Azores. 



Pereira-Guimaraes mentions fishes from the Azores and Madeira 

 Islands.^ Hilgendorf published the first comprehensive list^ and de- 

 scribed Sdlarias symplocos as new,^ afterwards identified as Blennius 

 galer'da Linnaeus, by Collett, in his report on a smaU collection.* 

 Clark notes a short list of species obtained by the Scotia at Horta,^ 

 and finally Regan has studied an interesting collection.^ 



BELONE TRACHURA Valenciennes. 



Head, 2f ; depth, 1|, in postocular part of head; D. ii, 12; A. ii, 

 17; P. I, 10; V, i, 5; scales along lateral line about 238 to caudal 

 base; 11 scales above lateral line to doi^sal origin, and 4 below to 

 anal origin; about 129 predorsal scales to occiput; head width about 

 IJ in postocular region; eye, 2; interorbital. If. 



Body elongately fusiform, somewhat pentagonal in transverse 

 section with median dorsal and upper lateral ridges all distinct, 

 greatest depth median. Caudal peduncle broadly depressed, width 

 four-fifths of eye and least depth about 2f . 



Head depressed above, flattened sides moderately converge below, 

 so depressed under surface about three-fourths of eye. Snout tip 

 shorter than lower jaw by nearly an eye-diameter, basal width at 

 rictus 7^ its length, surface smooth. Eye ellipsoid, supraorbital 

 cavity slightly bulging upper profile of head. Pupil ellipsoid, large. 

 Maxillary concealed, about reaches eye. Jaws not completely ca- 

 pable of closing basally. Teeth small, largest of upper twice length 

 of lower, none on vomer or palatines. Nasal cavity large, about 

 half size of pupil, triangular, and oblique keel down from its lower 



I Jorn. Sci. Lisboa, vol. 8, 1883, pp. 30-39 (133); vol. 37, 1884, pp. 11-28. 

 ' Arch. Naturgesch., vol. 54, 1888, pp. 205-213. 

 » Sitz. Ges. Naturf. Fr. Berlin, 1S88, p. 79. 



<Arch. Math. Naturv. Christiania, 1897, 19, No. 7, 17 pp. See also Res. Camp. Sci. Prince de Monaco, 

 vol. iO, 1896, pp. 1-198, pis. 1-5. 

 » Scottish Nat. Ant. Exp. Zool., vol. 4, Fishes, 1915, p. 380. 

 • Ami. Mag. Nat. London, ser. 7, vol. 12, 1903, pp. 344-388. 



