32 BERYC1D.E. 



and seven soft rays ; the former is slender, and as long as the third 

 anal spine ; of the rays the third is longest, equal to the height of 

 the body, and reaching to the level of the twenty-third scale of the 

 lateral hne. 



The scales are foiely serrated. 



The coloration appears to have been red, with longitudinal bands 



of a dusky colour. 



inches, lines. 



Total length 9 2i 



Height of the body 2 6^ 



Length of the head 2 6^ 



Inters]^)ace between the eyes 4|- 



Length of opercular spine ^ 3 



of praeopercular spine 5 



of foiu'th dorsal spine 1 3 



of last dorsal spine 5^ 



of thii-d anal spine 1 3 J 



of foiu'th anal spine 1 



of fii'st anal ray 1 6^ 



of ventral spine 1 3^ 



of third ventral ray 2 G^- 



4. Holocentrum poecilopterum, 



Bleeket', Kokos-Eihtndcn, p. •'i-j(>. 



D. lljj^. A. i-. L. lat. 52. 



The height of the body is 3^ in the total length, the length of the 

 head 3i-3|^. Operculum with two strong spines, the lower of which 

 is smallest. The upper maxillary bone reaches to behind the middle 

 of the eye. The fourth and fifth dorsal spines longest ; the soft 

 dorsal fin is less than half as high as the body ; the length of the 

 caudal is 5-i- in the total, the upper lobe is longer ; the third anal 

 spine very thick, and nearly t-wice as long as the longest of the dorsal 

 fill ; ventral fins not veiy much longer than the pectorals. Red, with 

 lighter longitudinal l)ands ; the fii'st dorsal yeUow, with two longi- 

 tudmal series of large round rose-coloured spots. (5Z.) 



Sea of Cocos Island. 



5. Holocentrum erytliraeum. (Plate V.) 



D. 11 1 15. A. ji. L. lat. 48. L. transv. 3/6. 



The height of the body is nearly equal to the length of the 

 head, and 3|^ in the total ; the interspace between the eyes is 5^ 

 in the length of the head. The upper maxillary bone reaches to 

 below the middle of the eye ; jaws equal in front ; the groove for 

 the processes of the intermaxillaries is slightly longer than the 

 diameter of the eye ; tiu'binal bone terminating in a bony anterior 

 process, slightly forked, but not covering the intermaxillary. The 



