30 IOWA STUDIES IN NATURAL HISTORY 
Head 3; depth 2.9; eye 6 in head, 1.5 in snout; gillrakers 15 
on lower limb; D. XI, 16; A. III, 12; about 100 pores in lateral 
line, 134 scales. Teeth on vomer in a narrow V-shaped patch, 
those on palatines in a narrow line; those on jaws depressible. 
Maxillary 2 in head, reaching posterior line of pupil; lower jaw 
projecting; caudal truncate. 
Color in. alcohol dull brown. 
17. Mycieroperca microlepis (Goode & Bean). Gag. 
Trisotropis microlepis Goode & Bean. Proc. U. S. Nat. Mus., II, 1879, 
141, West Florida. 
Mycteroperca microlepis, Jordan & Evermann, op. cit., 1177, pl. 188, fig. 
494, 
One specimen (no. 148), 9 inches long, taken May 14, at 
Barbados. 
Head 2.9; depth 3; eye 5, slightly exceeding interorbital 
width; D. XI, 18; A. III, 77; seales 150; gillrakers 12 on lower 
limb. Supplemental bone present. Caudal lunate. 
Color in alcohol dull brown. 
18. Hypoplectrus wnicolor (Walbaum). Vaca; Petit-Négre. 
Perca unicolor Walbaum, Artedi Piscium, III, 352, 1792. 
Hypoplectrus wnicolor, Jordan & Evermann, op. cit., 1190. 
One specimen (no. 1388), 5.5 inches long, taken May 18, at 
Barbados. 
Head 2.7; depth 2; eye 4: D. X,:15; A. ITI, 7; lateral ime 
53 pores, about 70 seales. Small teeth in jaws and a small 
patch on head of vomer, none on palatines or tongue; opercle 
with two flat spines; preopercle strongly denticulate, its lower 
teeth directed forward; 12 developed gillrakers on lower limb; 
maxillary 2 in head, reaching eye. 
Color in alcohol, posterior third jet black; head and fins 
yellow; a deep black stripe in front of eye. 
19. Paranthias furcifer (Cuv. & Val.). Creole Fish. 
Serranus fureifer Cuv. & Val., Hist. Nat. Poiss., II, 264, 1828, Brazil. 
Paranthias furcifer, Jordan & Evermann, op. cit., 1221, pl. 192, fig. 504. 
Two specimens (nos. 150 and 151), each about 8 inches long, 
taken May 14, at Barbados. 
Head 3.3; depth 3.2; eye 4; interorbital 3.2; D. TX, 18; A. 
III, 9; scales 90. Teeth in jaws, vomer and palatines; gill- 
