34 IOWA STUDIES IN NATURAL HISTORY 
Head 3.4; depth 8; eye 6.5; D. IX, 10; A. II, 9; scales 25. 
One posterior canine. Caudal lunate. 
Color in aleohol uniform greenish; a distinet black spot at 
base of pectoral; outer rays of caudal darker than middle ones. 
31. Sparisoma flavescens (Bloch & Schneider). Mud Parrot-fish. 
Scarus flavescens Bloch & Schneider, Syst. Ichth., 290, 1801, Cuba. 
Sparisoma flavescens, Jordan & Evermann, op. cit., 1639; Evermann & 
Marsh, op. cit., 240. 
Three specimens (nos. 112, 113 and 114), each 6 to 7 inches 
long, taken May 14, at Barbados. 
Head 3; depth 2.9; eye 48; D. LX, 10; A. IT, 9.. Pour ae 
five large scales on cheek; no posterior canines. 
Color in aleohol dark olive brown above, lighter below; a dark 
area at upper base of pectoral but not extending into axil of 
fin; fins all yellowish. 
32. Scarus croicensis Bloch. 
Scarus croicensis Bloch, Ichth., pl. 221, 1790, St. Croix; Jordan & Ever- 
mann, op. cit., 1650; Evermann & Marsh, op. cit., 244. 
One specimen (no. 108), 8 inches long, taken May 21, at 
Barbados. 
Head 3; depth 3.2; eye 6; D. TX, 10; A. II, 9; scales 25. 
Color in alcohol brownish above, lighter below; a distinct 
brown stripe from snout through eye to caudal, and another 
below this from axil of pectoral to caudal; outer rays of caudal 
brownish. 
33. Scarus vetula Bloch & Schneider. Oldwife; Vieja. 
Scarus vetula Bloch & Schneider, Syst. Ichth., 289, 1801, Cuba; Jordan 
& Evermann, op. cit., 1649; Evermann & Marsh, op. cit., 243, colored 
plate 31. 
One specimen (no. 116), 9.2 inches long, without data. 
Head 8; depth 3; eye 5.7; D. IX, 10; A. IT, 9; seales 25; 
2 posterior canines; 4 rows of scales on cheek. 
Color in alcohol yellowish green above, lighter below, fins 
with submarginal lighter bands. 
34. Chetodon capistratus Linneus. Mariposa. 
Chetodon capistratus Linneus, Syst. Nat., ed. X, 275, 1758, Indies; 
Jordan & Evermann, op. cit., 1677; Evermann & Marsh, op. cit., 249, 
colored plate 35. 
One specimen (no. 84), 4 inches long, taken May 14, at Bar- 
bados. 
