26 



Part first. 



Tank Nr. IS. 



Fishes. Gobies (Gohlus, fig. 68), small and spiny ; they serve 

 as food for Slvates (Raja, fig'. (59) and p]lectric Rays (Tor- 

 pedo, fig. 65). Both of these are fiat and nearly hidden 

 in the sand ; the slvate grey with pointed snout, the elec- 

 tric ray brown, in one species {ocellafa) with five large 

 spots, its head is semi-circular. Also young Dog-fish (Sci/l- 

 lium, fig. 61j. 



Fig. 68. Gohius liaganellus (Groby), 



1/ ' 



/2'nat. size. p. 93. 



Fig. 69. Raja punctata (Skate), 

 ^/g nat. size. p. 90. 



Tank Nr. 13. 



Fishes. Red Mullet (Mtillus, fig. 70), with two white feelers in 

 Iront of its chin. Smaris (fig. 71) , a pretty little silver 

 fish with a blacli finger-marlv on each side. 



