59 



FOUR-HORNED BULLHEAD. 



Cottus Quadricornis. C. olivaceus, fiuco-QariatM, subtus 



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. subfmcus squamosus,fasciis transversisfuscis, 



capite striis longitudinalibus serratis, linea laterali aculeate. 

 Brownish, scaly Bullhead, with transverse brown bands; 



head marked with longitudinal serrated streaks j and spiny 



lateral line. 

 Cottus scaber. C. capite striis, corporisque squamis serratif 



linea laterali elevata. Lin. Syst. Nat. p. 451. 

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



NATIVE of the Indian seas : habit rather slender : 

 body compressed, of a silvery colour, tinged with 



