Nipliargns 409 



Somewhat robust. Head somewhat acutely rostrate. Eyes wantiiig. 

 Anteima 1 short, iu the d ^/^, in the 9 ^4 of leiigth of hody, 2^ Joint 

 louger tlian 1^*, '6^ % as long as 2*^, flagelluni twlce as long as peduncle. 

 34-jointed, accessory flagellum represented by a smalltubercle carrying 1 seta. 

 Auteuna 2 half as long as antenna 1, ultimate Joint of peduncle rather longer 

 tlian penultimate, flagellum 13-jointed. Mouth-parts said to differ from those of 

 other species. Gnatliopods 1 and 2, 5*'^ Joint short. triangulär, (J*^ large, 

 rotundo-quadrate, palni detiucd by a claw-lil<e inward-directcd strong tooth 

 (palmar spine?), finger large, curved. l'eraeopods 1 and 2 strong, slender. 

 Peraeopod 5 the longest. Uropods 1 and 2 short, üropod 3, outer ramus 

 in d 6 times as long as peduncle, its 2*^ Joint lialf as long as 1^*, inner ramus 

 Short, laminar, almost as long as peduncle. more setose in o' than in 9 . 

 Telson deeply cleft, tlie conical halves as long as peduncle of uropod 3, 

 armed with spines. (Jolour clear yellowish grey, tip of finger and tooth of 

 palm iu gnathopods 1 and 2 flesh-coloured. L. d 51, 9 47'5 mm. 



Krain. Stalactite-caves. 



10. N. godeti Wrzesn. 1867 Gammci'rus puteanus (err., non C. L. Koch 1835!), 

 Güdet in: Bull. Soc. Neuchatel, v.7 p. 424 | 1889 G. p., Moniez in: Rev. biol. Nord 

 bVance, v. l p. 252 | 1890 Niphargus godeti, AVrzeöniowski in: Z. wiss. Zool., r. 50 

 p. 668, 674. 



tSide-plate 4 much the largest. Pleon segmeuts 1 — 3, postero-lateral 

 Corners rounded. Eyes wantiug. Antenna 1 almost as long as body, flagellum 

 6 times as long as peduncle, 51-joiuted. accessory flagellum spine-like. Antenna2 

 very short, little more than '/s ''^^ \o\v^ as antenna 1. Gnathopods 1 and 2, 

 6*^ Joint spoken of as triangulär, but in fact figured as rather broad at base 

 tliougii widening to the slightly convex, not oblique palm. Peraeopods 3 5 

 seemingly subequal in length, 2*^ Joint rather broad, bind margin coarsely 

 serrate. Uropod 3 more than iialf as long as body, outer ramus with very 

 long 2^ Joint. \u 33 mm. 



Neuchatel. Well. ^ 



N. casparianus Wrzesn. 1849 Gammarus puteanus (err., non C. Ij. Koch 18;35!), 

 C'aspary in: ^'erh. Ver. Kheinlaiide, (7.6 p. 39 t. 2 | 1850 G. p., Hosiiis in: Arch. Naturg,, 

 i\ 16 1 i).233 ' 1890 Niphargus casparianus, Wrzeäniowski in: Z. wiss. Zool., f. 50 p.664, 673. 



Scarcely distinguishable from N. kochianus. 



Germany (Elbert'eld. Bonn). 



N. caspary (Pratz) 1866 Gammarus c, Pratz, (irundw. Thiere | 1889 G. c, 

 Moniez in: Rev. biol. Nord France, v. l p. 230 | 1890 Niphargus c, Wrzeäniowski in: 

 Z. wiss. Zool., 0. 50 p. 666. 



(■irnathopods 1 and 2 with 6th Joint triangulär (probably widening from the 

 base). Uropod 3 in (J, l^t joiut of outer ramus 4 — 5 times as long as peduncle, 2d 

 Joint short; in $ outer (Moniez: „interne") ramus 1-jointed, the Joint scarcely longer 

 than peduncle. 



Munich. "Well. 



N. elegans Garbini 1894 N. e. -\- N. e. mir. imperfectus -)- Gammarus ftuoiatilis 

 var. manophtalmus, Garbini in: Mem. Acc. Verona, ser. 3r.70 p. 108, 109 | 1895 N. e. -\- 

 N. e. var. i. -\- G. f. var. m., Garbiui in: Mem. Acc. Verona, ser. 3 c. 71 1 p. 33, 38, 31. 



Near to N. tatrensis (p. 410), differing by want of spine-rows on pleon segments 

 1 — 3, by greater number of joints in antennao 1 and 2, by relative length of joints 

 und armature of uropod 3 etc. Eyes developed to wanting. 



Verona. 



