ADDENDA 59. HIPPOCAMPID^ — HIPPOCAMPUS. 907 
Page 38G. After Hippocainpus heptagonus add : 
619 (6). II. g^uttulatus Gulch. 
Dark brown, marbled with darker, and usually everywhere spotted 
with whitish, the spots most numerous posteriorly. Tubercles on body 
generally obtuse and blunt; coronet low; snout usually a little longer 
than preorbital part of head. Dorsal rays 17. Supraorbital spine ob- 
liquely truncate, compressed. Size rather large. Tropical seas, north 
to our South Atlantic and Gulf coast. 
Hippocampus guttulatus Cuvier, Rfegne Aiiiiu.: Hippocampus guttulatus Giinther, 
vAi, 202: Guichenot, in Ramon ile la Sagra Poiss. Cuba, 174, the West-Indian form, 
which is apparently different from the European species called “guttulatus.”) 
619 (c). H. hudsonius Dek. 
Dusky, without spots, but with pale grayish blotches, which are 
sharply edged with paler and blackish ; some of these between eyes and 
on neck, the most distinct blotch forming an hour-glass shaped figure, 
extending down each side of back; similar blotches on belly and tail. 
Dorsal with a submarginal dark baud. Depth equal to length of head. 
Snout 1^ in rest of head. Spines of head weak, provided with cirri; 
spines of body all short and bluntish. Dorsal on of the 11 body 
rings. D. 19. Atlantic coast, from Gape Cod southward. (Described 
from No. 19520, U. S. Nat. Mus., from Beaufort, N. C.) 
(Dekay, N. Y. Fauna, Fish. 1842, 322.) 
619 (d). H. stylifer J. & G. 
Brownish, with darker bars ; snout blackish. Snout notably longer 
than postorbital part of head; supraocular and temporal spines long, 
simple; a long median spine in front of coronet; coronet stout, high, 
its spines slender, abruptly spreading. Spines of body very long and 
slender, each ending in a filament; these enlarged on each alternate 
plate of the neck, and about every fourth plate on body and tail; dor- 
sal and upper lateral ridge usually armed and sometimes lower lateral 
ridge; two strong spines at base of pectoral; body with about 50 devel- 
oped spinous processes besides numerous smaller points. D. 10, cov- 
ering about 4 body rings; rings about 12+31. Coasts of Florida. 
(Jordan & Gilbert, Proc. U. S. Nat. Mus. 1882,265.) 
619 (e). H. zosterae J. & G. 
Olive green ; sides of head mottled with paler ; dorsal marbled with 
dusky, its margin (in broadly red. Snout very short, not more than 
half rest of head; supraorbital spines diverging, each with a small 
spine before it. Coronet high, two-thirds length of snout; its filaments 
