largest head scales; small scales along bases of dorsals and 
anals; caudal entirely scaly; pectoral base scaled; basal 
marginal striae 15 to 21; cireuli fine, rather uneven, mostly 
basal; lateral line oblique from builder $0 caudal base, high 
along caudal peduncle and median at caudal base; small tubes, 
small, slender, simple, oblique on scale, Seventh dorsal spine 
31/5 to 3 3/5 in head; second dorsal ray about 2, second anal 
spine 5$; third anal ray 2; pectoral 1 2/5; ventral 1 4/5 to 
1 5/6. Color in alcohol dark brown generally, with more or 
less dark umber tint, only slightly paler on breast and belly. 
Fins dark brown, uniform, Iris brown, Length 220 to 248 mm, 
(caudal tips damaged). One from Callao and 2 labeled from Peru. 
The above example agrees with the account by Steindachner, 
in material from Cavancha Bay at Iquique, Cheilodactylus antonii 
156 
Valenciennes ~ is placed in the synonymy by Steindachner, Aceord- 
ing to Gihemenot the second anal spine is about 2/5 of the long 
— 
57 
third one, C. einctus Tschudi at is shown with the second anal 
spine nearly three times as long as the second, and this is also 
mentioned in the description, 
156 
ZO... VAnrd,- oe.) VO. 4.12), 1897, p. 29a, P1..17. 
157 
Fauna Peru. Ieh., 1644, p.:.15, Pl. 2. 
We separate the aberrant Chilodactylus bieornis Steindach- 
ner, as a separate subgenus, 
