186 TBIGLTT)^. 



inches, linea. 



Total length 8 10 



Length of the head 2 6 



Distance between the angles of the prse- 



opercles 1 2 



Length of the snout 10| 



Diameter of the eye 5 



Distance between the eyes 2^ 



Length of the third dorsal spine 1 



of a dorsal ray 10^ 



of an anal ray 8 



of the pectoral 1 



of the ventral 1 6 



17. Platycephalus cirronasus. 

 Richards. Voy. Ereb. 8f Terr. Fishes, Ichthyol. p. 114. pi. 51. f. 7-10, 

 D. 1 I 8 1 12. A. 11. L. lat. 60. 



Each nostril with a cirrus of moderate length. The length of 

 the head is one-third of the total, and its width between the prae- 

 opercular spines 1|^ in its length. The space between the eyes is 

 very concave, and 4| in the length of the snout. Prominent spines 

 on the upper side of the head, but none on the infraorbital ring. 

 Two small spines at the angle of the praeoperciilum. Lateral line 

 smooth. Rose-coloured, with some violet spots along the base of 

 the dorsal, and some darker bars across the back of the taU. Fins 

 dotted with rose-colour. 



Botany Bay. 



a. Adult. Botany Bay. Presented by Sir J. Richardson. — ^Type of 

 the species. 



18. Platycephalus tuberculatus. 

 Guv. ^ Vol. iv. p. 258. 



D. 1 I 7 I 11. A. 11. L. lat. 53. 



The length of the head is 3^ in the total, and its width between the 

 praeopercular spines 1|- in its length. The space between the eyes 

 is a narrow deep groove, the width of which is 4| in the length of 

 the snout. The superciliary, occipital, opercular, scapidary, and 

 infraorbital ridges are finely serrated, the latter being very promi- 

 nent. Two praeopercular spines, the upper of which is the longer, 

 but much shorter than its distance from the orbit. Anterior half 

 of the lateral line spiny. Brownish, with clouded bands ; rays of 

 the fins spotted. 



Seas of Trincomalee and Madras. 



Or-d. Adult and half-grown. Madras. Presented by T. C. Jerdon, 

 Esq. 



