1886.] NATURAL SCIENCES OP PHILADELPHIA. 249 



31, 1880 (Name only); Bean. Proc. U. S. Nat. Mus., 1880, 77 (Woods 



HoU, Noank); Jordan & Gilbert, Syn. Fish. N. A., 396, 1883. 

 Oasterosteus apeltcs Cuvier & Valenciennes, Hist. Nat. des Poiss., iv, 



505, 1829 (No locality); Storer, Kept. Fish. Mass., 31, 1839 (Salem); 



Sauvage, Revision des Epinoches, 26, plate i, fig. 13, 1874 (New 



York). 

 Oasterosteus millepunctatus Ayres, Boston Journ. Nat. Hist., 259 and 



294, 1842 (Old Man's Harbor); Brevoort in Gill's Cat. Fish., East 



Coast N. A., 39, 1861 (Name only); Sauvage, Revision des Epinoches, 



27, 1874 (copied). 



Habitat. Atlantic Coast of North America ; Northward. 



This species is easily distinguished by the separation of the 

 innominate bones and by the four divergent dorsal spines. 



The apeltes of Cuvier and "Valenciennes does not differ from 

 the quadracus of Mitchill. 



The millipunctatus of Ayres is also identical with the quadra- 

 cus of Mitchill. 



The numerous specimens examined by me are from Woods 

 Holl, Massachusetts. 



5. SPINACHIA. 



Spinachia Fleming, "Hist. Brit. Animals, 219," 1828 (spinachia). 

 Polyeanthus Swainson, Fishes 175 and 242, 1839 {spinachia). 

 Oastrcea Sauvage, Revision des Epinoches, 7, 1876 {spinachia). 



This genus differs from the others in the prolongation of the 

 snout which approaches in form the snout of Aulorhynchus and 

 Fistularia. The innominate bones are as in Apeltes ; there are 

 about 15 free dorsal spines. 



Analysis of the Species of Spinachia. 



a. Snout prolonged ; dorsal spines about 15; dermal plates, 40 ; 

 depth 10 in length ; head about 4 ; a carina running entire 

 length of lateral line ; body five-sided ; tail four-sided. Ver- 

 tebra 18 + 23 ; D. XV, 6 or 7 ; ventral, i, 2 ; A. I, 6 or 7. 



Spinachia. 10. 

 10. Spinachia spinachia, 



Crtisterosteus spinacJiia Linnseus, Syst. Nat. Ed. X., 296, 1758 (based on 

 Artedi) (and of authors generally). 



Oastraa spinachia Sauvage, Revision des Epinoches, 36, 1876 (New- 

 foundland). 



Habitat. North Atlantic on both continents. 

 This species has been but once ascribed to America. Sauvage 

 notes a specimen in the Museum at Paris which he said to be 

 17 



