. Bulletin - United States National Museum. Science. REVIEW OF THE PARROTFISHES 111 rounded; size probably not exceeding 160 mm. in standard length; plate 22,c, d. (East and West Atlantic.) radians (Cuvier and Valenciennes) 16. A single prominent canine tooth may occur near midside of upper dental plate in combination with a broad white bar in basal third of caudal fin; distance from suture between upper dental plates to canine tooth is contained from to times in distance between centers of posterior nasal pores; at standard length of 80 mm. and longer cirri develop on nasal tentacle;
. Bulletin - United States National Museum. Science. REVIEW OF THE PARROTFISHES 111 rounded; size probably not exceeding 160 mm. in standard length; plate 22,c, d. (East and West Atlantic.) radians (Cuvier and Valenciennes) 16. A single prominent canine tooth may occur near midside of upper dental plate in combination with a broad white bar in basal third of caudal fin; distance from suture between upper dental plates to canine tooth is contained from to times in distance between centers of posterior nasal pores; at standard length of 80 mm. and longer cirri develop on nasal tentacle; no cirri on membranes of spiny dorsal fin; depth of body about to in standard length; no dark bar on pelvic fins (young). abilgaardi (Bloch) Ic. If a canine tooth is present on side of upper dental plate at a standard length of 160 mm. or shorter, it is notably behind middle of side of dental. Figure 28.—Sparisoma viridis. (Sketch by author.) plate, and not on a ridge; usually canines do not develop until larger sizes are reached, except in abilgaardi. 2a. Opercular flap with a round white spot (yellow when alive); posterior edge of opercle white (red when alive); caudal fin deeply forked, -nith a lunate white (red when alive) bar submarginally and distal edge green; on base of caudal fin and on peduncle 1 to 3 large pale spots (orange or yellow when alive); a pale streak (red when alive) bounded by green from corner of mouth across cheek; no dark pectoral spot; (above description appears to be that of males; females probably lack white opercular spot, but caudal fin is white-margined distally, then a dark submarginal crossbar, with center of fin white); figure 28. (West Atlantic.) viridis (Bonnaterre) 26. Color not as above. 3o. Small brown spots somewhat ocellate, occur on third or fourth scales behind head in row of scales just below lateral line; tips of outer caudal fin rays blackish; anterior nostril with a short dermal flap bearing multifid cirri distally; caud
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