Fis/ie'i fruiii f.i'i.x. 127 



15. iyciwna nlijn^>inni-<, Giiiiili. 



1(». Otolit/ttts macyofiuatlius, Blcik. 



17. OloUthus hrachygnathuf, Bleek. 



18. OloUthus senegalensis, Bleek. 



10. Uianoscopus alhesca, sp. n. 



Deplli of l)0(ly about 4 in the leiip;tl), length of head (with 

 lower jaw) about '6. Diameter of eye 5^ in length of h-ad, 

 equal to length of snout or to iuterorbital ^vidtll. Head .13 

 broad as deep; upper surface tlatt'sh, uithout prominent 

 ridges or tubercles ; iuterorbital depression twice as long as 

 brnad ; one subo[)ercular and four piieopcrcular spines. Oral 

 membrane of lower jaw produceel into a flap with entire 

 edges, about as broad as long, rounded distally. Proe- 

 niaxillary teeth triserial anteriorly, uniserial laterally; man- 

 dibulary teeth biserial anteriorly, the inner series stronger; 

 laterally only 2 or 3 canines. Post-lemporal spine weak; 

 liumeial sj)ine strong, half as long as pectoral fin. 55 scales 

 in a longitudinal series. Dor?al III, lo-14 ; spinous dorsal 

 low ; .<oft dorsnl emarginate, third or fourth ray longest, 

 i length oE head. Anal 13. Pectoral 18-rayed, ^ length of 

 head, extending to origin of anal. Caudal subtruncate. 

 Greyish-violet ; spinous dorsal black ; oral flap white, 

 conspicuous. 



Two specimens, 175 and 195 mm. in total length. 



The white meml)ranous flap that can bo protruded from 

 the mouth of this species is the homologue of the verniitorm 

 or fihimentous process found in related forms. 



20. Uranoscopus scaher, Linn. 



A Mediterranean species, previously unrecorded south of 

 the Canaries. 



21. Tnchiui'us leplurus, Linn. 

 Atlantic. 



22. Mtif/il cephalus, Linn. 

 Mediterranean to S. Africa ; also both coasts of America. 



23. Mngil fiihii iiiu'tSj Cuv. vt Val. 



