£59 



FOUR-HORNED BULLHEAD. 



, Cottus Quadricornis. C. olivaceus, fusco-variatus, subtus albidus, 



capite verrucis quatuor osseis. 

 Olivaceous Bullhead, variegated with brown, whitish beneath, 



with four bony tubercles on the head. 

 Cottus quadricornis. C. capite verrucis quatuor osseis. Lin. 



Syst. Nat. p. 451. 

 Cottus tuberculis quatuor in capite. Block, t. 108. 



Greatly allied in general appearance to the 

 preceding species, but smaller, and marked on the 

 head by four rough, bony tubercles, two of which 

 are situated towards the middle of the head, and 

 two at the back part : colour olivaceous, marbled 

 with brown : beneath whitish : pectoral fins very 

 large, and rounded. Native of the Mediterranean 

 and Baltic, as well as of the northern seas ; and in 

 manners similar to the preceding species. 



ROUGH BULLHEAD. 



Cottus Scaber. C. subfuscus squamosus,fasciis transversis fusci% 

 capite striis longitudinalibus serratis, tinea laterali aculeata. 



Brownish, scaly Bullhead, with transverse brown bands; 

 head marked with longitudinal serrated streaks ; and spiny 

 lateral line. 



Cottus scaber. C. capite striis, corporisque squamis sepratis 



tinea laterali elevata. Lin. Syst. Nat. p. 45 1 . 

 Cottus linea laterali aculeata. Block, t. 15Q. 



Native of the Indian seas : habit rather slender : 

 body compressed, of a silvery colour, tinged with 



