NILRSON S (!OBY. 



2G9 



cnvsTAM-Odonirs xii.ssoxii. 



Fig. 72. 



rKxIji (Inrii/f/ life liifjlili/ tr((iisj)urciil. irith a rote of ddtk rluuinal<)phore>i. in most, cascft one for each roi/, oit 

 each s^ide of the bases of the second dorsal, caudal and anal fins, and at the loirer iuarf/in. of the hellij projier. 

 Three or four small spots {consistii/fj of .serer((l jiif/nient-rells) on each side <f' the hell if, and {in the males) a row 

 of chrouKitophores on the under surface of each of the tiro hranches of the loirer jan\ the articulation of irhich 



is marked in hoth sexes hi/ a hiack s/tot. Vertehrce 20. 



ti^ji^ 



^^^mfii:^,. 



f 



Fig. 72. Crystallogobius yU.^aonii. After Com.eit. a — c, iiuigii. 2 iliaiii.; d — f, luagii. 6 fliaiii. n: adult male, in the spawning-season; 



li: young male; c: female, with ripe roe; d: head of an adult male, during the spawning-season; 



e: the same, seen from in front; /: head of a gravid female. 



A', bi: it: D. 2il9 — 20"; .1. 20—21*; P. 29—30; V. ^; 



6 



C. .r+ll-fj. 



Si/ii. Gobius linearis, v. Dtis., Kon., Ofvers. Vet.-Akad. Forh. 1844, 

 p. 111. 



" Sometimes 21, according to v. DOnEN and KoiiKN. 



6 0-7 



Gobius Nilssonii, v. Dub., Kok., ibid. 1845, p. 11; Vet.-Akad. 

 Hand. 1844, p. 53, tab. II, fig. 3; Nilss., Skand. Fn., Fisk., 

 p. 227; Gthk {Gobiosoma), Cat. Brit. Mus., Fish., vol. Ill, 

 p. 86; Coll. (Latrioiadus), Forh. Vid. Selsk. Christ. 1872, 

 p. !> (sep.); Blkr (Cri.stallogobius), Arch. Neerl. Sc. Exact., 



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