6 GASTEROSl-EID.*;. 



7. Gasterosteus pungitius. 



Nine very short isolated dorsal spines ; the tenth spine tAvo-thii"ds 

 lower than the second dorsal. Sides naked, the caudal keel some- 

 times with verj' thin scales. 



Northern parts of Europe : England, France, North Germany, 

 Baltic. Northern parts of America ; Newfoundland ; New York. 



A. European variety : Gasterosteus pungitius. 



Pisciculi aculeati alteram genus, RondcJ. ii. p. 200. 

 Pisciculus pungitivus, Gi'sucr, fol. IGO a. 



aculeatus minor, 1f'illu(/Jib;/, p. 342; Itai/, p. 145. 



Pungitii alterum genus, Aldror. v. cap. 30; Juiisfon, lab. 28. fig. a. 



(left-hand figure). 

 Gasterosteus no. 2, Arfedi, Spec. p. 97 ; (irounv. Zooplit//. n. 400. 

 pimgitius, Limt. Si/st. p. 491 ; Oronov. Si/st. cd. Graif, p. 107 ; 



m. ii. p. 108. t. 53. f. 4; Bl. Schi. p. 123'; L„rep. ii'i. p. 297; 



Donor. Brit. Fin/ics, ii. pi. 32; Fa/his, Zoot/r. iii. p. 228; Turton, 



Brit. Faun. p. 101; F/rm. Brit. Anim. p. 219'; Cm: ^- Vol. iv. p. 500 ; 



Thompson, I.e. p. 103; Fkatnini, Fisrhc Morkii, p. 159; Fries och 



Fk.ftr. p. 20. pi. 4. f. 2 ; Varrr//, Brit. Fi.'^Jics, i. p. 99 ; Parn. I. c. 



p. 37. t. 20 ; Wliiie, Catal. Brit. Fishvs, p. 30. 



a. Adult. Battersea Fields. Museum Leach. 



h d . Adult. Cobhani (Surrey). Museum Leach. 



e. Many specimens, (iotha River, Sweden. 



/. vUlult: not good state. Baltic. From the Haslar Collection. 



y, h. Adult. 



i, k. Half-grown. From the Haslar Collection. 



B. American variety : Gasterosteus occidentalis. 



Gastcro9teu.<5 occidentalis, Cm: ^- Val. iv. p. 509; Dekmj, Nctv York 

 Fauna, p. 08. pi. 42. f 135. 



pungitius, Storer, Rep. Mass. p. 32. 



nehulosus, Agass. Lake Superior, p. 310. pi. 4. f. 2. 



l-n. Adult. North America. 



8. Gasterosteus mainensis. 



Storer,, Bost. Jmirn. i. p. 404. 



K.7U-. 



Back with seven spines, the last longest ; a broad oblong serrated 

 plate on the side, with numerous dusky transverse bands. 

 Fresh water. Maine. 



9. Gasterosteus concinnus. 



Jtichardsim, Faun. Bor.-Ainrr., Fis/ti-.s. j). 57. 

 1). 7 I-. A. -. V. 1 1. 



Ml 9 



