NIPHARGUS AQUILEX. 



AMPHIPODA. 



N ATA TORI A. 



315 



GAMMARTDES. 



NIPHARGUS AQUILEX. 



Specific character. Very long and slender. Coxse of all the legs not 

 so deep as the segments to which they are attached. First three segments of 

 the tail nearly of equal depth, with their posterior angles rounded. Gna- 

 thopoda very small and equal, having the propoda triangular ; the superior 

 and inferior margins and palm being of neai'ly equal length, with the angles 

 rounded off. First and second uropoda very short. 



Length 3 inch. 

 Nipharyus aquilex. Scuiodte, Comm. Soc. Reg. Dan. 1855, p. 350. 



Nat. Hist. Review, i. p. 41, fig. b. White, 

 Hist. Brit. Cmst. p. 187. 

 Nipharrjus stygius. Westwood, Proceed. Linn. Soc. No. li. p. 218, 



April 19, 1853. Spence Bate, Ann. Nat. 

 Hist. 2 ser.,xix. Cat. Amph. Brit. Mus. p. 174, 

 pi. xxxii. fig. 1. (but query of Schicidte.) 

 Gammarus pateaniis, var. Koch, in Contin. of Panzer, Ins. Germ. No. 186, 

 pi. 22 ; and Deutschl. Crust. Myr. u. Arach. 

 heft 36, No. 22. 

 Gammarus puteanus. De la Vallette St. George, De Gammaro 



puteano, pi. i. fig. 5. 

 Gammarus puteanus. Caspary, in Verhandl. d. Naturf. Vereins fiir 



Rheinland, Jahrg. 6, Bonn, 1849, p. 39, 

 t. 2, f. 1-19. Hosius, De Gamraari Specie- 

 bus, Diss. Acad. 26 Jul. 1850, Bonnaa, p. 20, 

 tab. 1, fig. 7, 12. tab. 2, fig. 22 ; also in Wieg- 

 mann's Archiv. 1850, i. p. 235. 



