ESPECIALLY MYCTOPHOIDS 99 
Family EURYPHOLIDAE nov. 
Diacnosis. Head not deepened and the body shallower than the greatest depth 
of the head which is at the occiput. Post-temporal fossa roofed. Lower jaw long 
and relatively shallow, the symphysis only slightly constricted. Articular facet not 
visible from the lateral aspect, being covered by a flange of bone laterally. Oper- 
culum as wide as deep with a posterior spine ; the preoperculum also bears a 
prominent posterior spine ventrally. Pelvic fins as large as or larger than pectoral 
fins. Pectoral fins raised slightly on the flanks ; pelvics sub-thoracic or abdominal 
in position. Cleithrum expanded posteriorly below the fin insertion. Lateral line 
scales overlap. Mid-dorsal scutes large and overlapping. 
Genus EURYPHOLIS Pictet, 1850 
DiaGnosis (emended). Eurypholidae in which the head is not particularly 
elongate and not shallow. Vertebral number between 35 and 40 of which the caudal 
region remains constant at 20 vertebrae. Body not lengthened or reduced in depth, 
maximum depth equalling the depth of the head at the occiput. Pelvic fins larger 
than the pectoral fins and sub-thoracic in position. Mid-dorsal scutes three in 
number and overlapping. 
TYPE SPECIES. Eurypholis botssiert Pictet. 
REMARKS. The genus Eurypholis is known by only two species, the type species 
and one other which was originally assigned to the genus Enchodus by Woodward 
(1901 : 193, Enchodus pulchellus). 
Eurypholis boissieri Pictet 
(Text-figs. 44-48) 
1850 Eurypholis boissiert Pictet : 30, pl. 4, figs. 2-4. 
1866 LEurypholis boissieri Pictet ; Pictet & Humbert: 102, pls. 15, 16. 
1887 Eurypholis boissieri Pictet ; Davis : 596. 
1901 Eurypholis boissieri Pictet ; Woodward : 207, pl. 11, fig. 7, text-fig. 7. 
1902 Eurypholis boissieri Pictet ; Woodward : 56, fig. 12. 
1926 Eurypholis boissieri Pictet ; Woodward : 203, fig. 4. 
1930 Eurypholis boissieri Pictet ; Maury : 96, pl. 1, fig. 2. 
1932 LEurypholis boissieri Pictet ; Woodward : 160, fig. 247. 
1940 Eurypholis boissieri Pictet ; Berg: fig. 143. 
1958 Eurypholis boissieri Pictet ; Bertin & Arambourg : figs. 14, 16. 
1964 Eurypholis boissieri Pictet ; Danil’chenko : 412, fig. 128. 
1966 Eurypholis boissiert Pictet ; Lehman : 203, figs. 204, 205. 
DiaGnosis (emended). Ewurypholis of standard length not exceeding Io cm. 
Head with opercular apparatus about twice as long as deep and occupying one-third 
of the standard length. Greatest depth of the mandible equal to one-sixth of the 
total length. Maxilla finely toothed. Dentary bearing two rows of teeth. Pre- 
operculum deep, narrow and vertical. Operculum as deep as broad. Dorsal fin 
with 13 rays; anal fin with 14 rays arising behind the dorsal, nearer to the caudal 
peduncle than to the pelvic fin. 
