Richardson's profile figure of S. militeris”’* shows the 
second supraorbital spine nearly midway between the first and 
third, though in his dorsal view of the head it more nearly 
resembles our example. The tentacle in our specimen, is also much 
longer, or very little less than the eye-diameter, 
Phe fr 
| Voy. Erebus and Terror, Ich., 1844, Pl. 14, figs. 1-2, 
iA £ Fi 4 
Oe! - Bia - 
Pter®@is radiata Cuvier, muw - vet. 
Head 2 2/5% te 2 1/2 ; depth 2 2/3 to 3; D. XI, I, 12, 14; 
A. III, 6, 1; P. 15; scales in 46 rows along lateral line to caudal 
base; pores about 24 in lateral line to caudal base; 9 scales 
above lateral line to soft dorsal origin, 14 below to spinous anal 
origin; 5 predorsal scales; snout 3 to 3 2/3 in head from upper 
jaw tip; eye 3 to 3 1/6; maxillary 2 1/4 to 2 3/43 interorbital 
5 to 6; head width 2 to 21/3 in total head length. Snout convex, 
length about 7/8 its width. Eye advanced, hind pupil edge about 
midway in total head length. Mouth moderate, lower jaw slightly 
protruded, Maxillary reaches front pupil edgey expansion 1 4/5 
in eye. Teeth fine, in bands in jaws and on vomer, none on pala- 
tines, Interorbital deeply concave. Head spines distinct; small 
spine a'ove nostril; small antero-orbital and broad postero-orbi- 
tal. Supraocular tentacle twice eye-diameter., Rakers iv 7, iv, 
lanceolate, rather obtuse and asperous, longest 2/3 of filaments, 
which 21/2 in eye. Scales moderate; basal radiating striae 8 
to ll; apical denticles 19 to 23; circuli fine, 
