Plate XXVIII. 



Figs. 1 and 2: Three-spimd Stickleback (Gasterosteus aculeatus), 

 nat. size, fig. 1, ?, in winter-dress; fig. 2, cf, in summer-dress; 

 figures without any indication of locality, but specimens probably 

 from the Baltic. 



Figs. 3 and 4: Ten-spined Stickkhack or Tinker (Gasterosteus 

 pungitius\ nat. size; fig. 3, ?, in summer-dress, from Haparanda 

 (N. Baltic), June, 1832; fig. 4, d", black dress. 



Fig. 5: Fi/teen-spined Stickleback (Gastrmi spinachia\ "lo nat 

 size, specimen probably from the Baltic. 



Figs. B — 8: Lesser Pipefish (Syngnathus rostellatus), three spe- 

 cimens caught at the surface of the sea in Koster Fjord (Bohuslan), 

 July, 1887; figs. 6 — S, a, nat. size; fig. 8,6 from the same spe- 

 cimen as fig. 8, o, but X 2. 



Plate XXIX. 



Fig. 1 : Deep-nosed Pipefish {Syngnathas typhle), ?, i, 

 painted from living specimen in Bohuslan, on the 30th of June, 1837. 



Fig. 2: ^Equoreal Pipefish (Nerophis <ieqiioreus), ^, V2 nat. size, 

 from Bohuslan, 1833. 



Fig. 0: Straight-nosed Pipefish (Nerophis ophidion), $, nat. size. 

 probably from the Baltic. 



Fig. 4: Worm Pipefish (Nerophis lumbriciformis), cf, nat. size, 

 from Bohuslan; fig. 4, rt, fry of this species, X 3, see Vet. Akad. 

 Handl., 1837, pi. IV. 



Plate XXX. 



Fig. 1: Sheatfish (Silurns glanis), c^, V, nat. size, caught in 

 Lake Bafven (Sodermanland), on the 24th of May, 1889. 



Figs. 2 and 3: Crucian Carp (Cyprinus carassius), d'd' from 

 Morko (in the Baltic); fig. 2, Lake Crucian Carp, ',„ nat. size; 

 fio-. 3, Pond Crucian Carp (= Cyprinus gihelio, Bi..), nat. size. 



