1884,] NATURAL SCIENCES OP PHILADELPHIA. 159 



<C Gasterosteus, Cuvier, Regne Animal, Ire 6d., t. 2, p. 300, 1817. 

 (Subgenus). 



< Gasterosteus, Fleming, Hist. Brit. Animals, p. 219, 1828. 



<^ Gasterosteus, Cuvier & Valenciennes, Hist. Nat. des Poissons, t. 4, p. 



479, 1829. - 

 X Gasterosteus, Swainson, Nat. Hist, and Class. Fishes, etc., v. 2, pp. 175, 



242, 1839. 

 X Leiurus, Swainson, Nat. Hist, and Class. Fishes, etc., v. 2, pp. 175, 242. 



(Subgenus). 

 <; Gasterosteus, Girard, Expl. and Surv. for R. R. Route to Pacific Oc, v. 



10, Fishes, p. 85, 185 S. 



< Gasterosteus, Giinther, Cat. Fishes Brit. Mus., v. 1, p. 2, 1859. 



= Gasterosteus, Gill, Cat. Fishes E. Coast N. A., p. 39, 1861 ; Canad. Nat., 



n. s., V. 2, p. 8, 1865. 

 <^ Gasterosteus, Sauvage, Nouv. Arch. Mus. d'Hist, Nat. Paris, t. 10, pp. 



7, 9, 1874. (Subgenus.) 

 = Gasterosteus, Jordan, Man. Vertebrates Northern U. S., p, 248, 1876. 



Gasterosteines with the branchial apertures restricted (the 

 branehiostegal membrane being attached below), and two free 

 divergent spines. 



Type, G. aculeatus L. 



Spinachiinse. 

 Synonymy. 

 SpinacManm, Gill, Proc. Acad. Nat. Sc. Phila., v. 14, p. 233, 1862. 

 SpinachiincB, Gill, Johnson's New Universal Cycl., v. 4, p. 558 (under 

 "Stickle-back"), 1878. 



Gasterosteids with a very projecting subtubiform snout, sub- 

 abdominal ventrals, and elongated caudal peduncle. 



SPINACHIA. 



= Les Gastres (Spinachia), Cuvier, Regne Animal, t. 2, p. 320, 1817. 



= Spinachia, Fleming, Hist. Brit. Animals, p. 219, 1828. 



=^ Polycanthus, Swainson, Nat. Hist, and Class. Fishes, etc., v. 2, pp. 175, 



242. 

 ^ Gastrma, Sauvage, Nouv. Arch, Mus. d'Hist. Nat. Paris, t. 10, pp. 7, 



29, 1874. (Subgenus). 

 Gasterosteus sp., Linn., et al, 



Spinachiines of unique type. 



Type, S. vulgaris = Gasterosteus spinachia Linn. 



AULORHYNCHIDiE3. 



Synonyms as family names. 

 = Aulorhynehoidce, Gill, Proc. Acad. Nat. Sci. Phila. [v. 14], p. 233, 1862. 

 = AulorhynchidcB, Gill, Arrangement Families Fishes, p. 14, 1872. 



