ON SOME ARMOURED FISHES. 
13 
Since the researches into the Fossils of the Old Red Sandstone 
first began in this country, probably no name has become more 
familiar to geologists and general readers than that of Hugh 
op Fig. 10. 
Fig. 10a. 
FIG. 10. OUTLINE OF HEAD-SHIELD OF EllkerClSpis pUStulifeVUS , AGASSIZ. 
op. orbital prominences ; me. marginal cavities ; pv. post orbital valley ; ip. 
interorbital prominence. 
fig. 10a. ornament of same, magnified 7 diameters (after Lankester). 
Miller,* the self-taught naturalist, author, and stone-mason of 
Cromarty, whose whole career is replete with life-studies illus- 
trative of that patient indomitable courage, which never looks 
Fig. 12. 
Fig. 13. 
fig. 11. Auchenaspis Salieri (Egerton). 
„ 12. A. Eqertoni (Lankr). 
„ 13. Didymaspis Grindrodi, Lankr. (after Lankester). 
* See “ Tbe Old Red Sandstone, or New Walks in an Old Field,” 3rd edit. 
1847. u Footprints of the Creator, or the Asterolepis of Stromness,” 1st edit. 
1849. “ The Cruise of the Betsey, or a Summer Ramble among the Fossili- 
ferous Deposits of the Hebrides.” 
