410 Nipliargus 



N. longicaudatus (A. Costa) 1851 Gammarus longicaudatus, G. longicauda 

 (nou F.Brandt 1851!), (A. Costa in:) F.W. Hope, Cat. Crost. Ital, j). 45, 23 \ 1857 

 G. longicaudatus, A. Costa in: Mem. Acc. Napoli, v.l p. 217 t. 4 f. 6 | 1890 Niphargiisl. 

 (part.), Wrzeöniowski in: Z. wiss. Zool., r. 50 p. 603, 625, 674 | 1893 N. stibterraneiis 

 (part.), A. DellaValle in: F. Fl. Neapel, i;.20 p. 704. 



Probably the same as N. aquilex (p. 406). L. 12o mm. 



Xaples. In tlie drinkiug water. 



N. minutus (Gerv.) 1835 Gammarus pulex m., P. Gervais in: Ann. Sei. nat., 

 scr. 2 rA p. 128 | 1859 G. lacteus, P. Gervais & P. ,1. Beneden, Zool. med., v. 1 p. 488 ; 

 1890 6r. /., Wrzesniowski in: Z. wiss. Zool,, tJ. 50 p. 602 | 1893 G. fluviatilis (part.)! 

 A. DellaValle in: F. Fl. Neapel, «;. 20 p. 763. 



L. minute. 



Neighbourhood of Paris. Only in wcUs. 



N. montanus (A. Costa) 1851 Gammanis m., (A. Costa in:) F.W. Hope, Cat. 

 Crost. Ital., p.44 ■ 1857 G. m., A.Costa in: Mem. Ac-c. Napoli, «;. 1 p. 218 t. 4 f. 7, 8 

 1867 G. longicaud((tus var., A. Costa in: Annuario Mus. Napoli, cA p. 38 j 1890 Niphargus 

 longicaudatus (part.), Wrzesniowski in: Z. wiss. Zool., v.öO p. 674. 



Agreeing nearly with N. longicaudatus but differing in uropods and telson. 

 L. 125 mm. 



Italy (Lake Matese). 



N. ponticus Czern. 1868 N. p., (.'zerniavski in : Syezda Russ. Kst., Syezda 1 

 Zool. p. 108 t. 8 f. 12— 14 I 1888 N. p., T. Stebbing in: Üep. Voy. Challeuger, v.2\) 

 p. 378 I 1890 N.? p., Wrzesniowski in: Z. wiss. Zool., i;.50 p.673 | 1893 N. subterranevs 

 (part.)?, A. Della Valle in: F. Fl. Neapel, «?. 20 p. 705. 



L. about 2 mm. 



Black Sea. 



N. rhipidiophorus (Catta) 1878 Gammarus r., Catta in : Act. Soc. Helvet., 

 Sess. 60 p. 257 | 1889 G. r., Mouiez t^: Hev. biol. Nord France, v. 1 p. 252 | 1892 G. r., 

 Chevreux and Guerne in: Bull. Soc. zool. France, ».17 p. 140 ; 1888 Niphargus r., 

 T. Stebbing in: Rep. Voy. Challenger, t\ 29 p. 475 | 1890 iV..? r., Wrzesniowski in: Z. 

 wiss. Zool., 11.50 p. 607, 673 | 1893 Gammarus p^mgens (part.), A. DellaValle in: F. Fl. 

 Neapel, v. 20 p. 764. 



Eyes small. Peraeopod 1 with brush of long setae on 5tli and 6th joints. 

 Uropod 3 enormoHs. 



France (a well, brackish in suuuner, at La Ciotat, near the Mediterranean). 



N. subterraneus (Leach) 1813/14 Gammartis s., Leach in: Edinb. Enc, v.l 

 p. 402 ] 1893 Niphargus s. (part.), A. DellaValle in: F. Fl. Neapel. ».20 p. 704 i 1888 

 N. aquilex (part.), T. Stebbing in: Rep. Voy. Challenger, ('.29 p. 84. 



London. Well. 



N. tatrensis Wrzeän. 1888 N. t., Wrzesniowski in: Pani. Fizyjogr., <'. 8 p. 47 

 t. 6— 16 i 1890 N. t, Wi-zeöniowski in: Z. wiss. Zool., «.50 p. 643 t.'27 f. 1—5, 7, 8, 

 12-14; t. 28 f. 4, 5, 8; t. 29 f. 1—3. 12; t. 30 f. 11—13; t. 31 f. 5, 14, 14a, 18-21; t. 32 

 f. 1, 8, 8a. 



Perhaps identical with N. stygius (p. 407); but said to be distinguished by the 

 postero -lateral corners of the pleon segments l — 3, the 6*^ Joint of the gnathopods 

 1 and 2, the relative length of peracopods 3 5, the relative length of the apical Joint 

 in uropod 3, and the setose arniature of the mouth-parta. 



Tatra Mountain. 



