FISHES OF THE PHOENIX AND SAMOAN ISLANDS 27 



eye; these cross bands ou sides more or less join each 

 other, giving appearance of a row of pale round blotches 

 along midaxis. Trunk 2.19 to 2.37 ; depth 23 to 32 ; both 

 in total length. Head 3.5 to 3.7 in trunk. Snout 5.6 to 

 6.36 ; depth 2.8 to 4.1 ; mouth 2.93 to 3.88 ; length of mid- 

 caudal fin rays 19 to 30; all in length of head. Eyes 2.95 



to 3.6 in snout Uropterygius reidi, new species 



lOft. Color pattern mottled or reticulated but not arranged into 



vertical bands; posterior nostril tubular in large specimens 



but only a raised rim in those 300 mm. and shorter. 



12a. Trunk longer than tail, tail contained 2% in total length; 



head 3% in tail and 4 in trunk ; color appears to be mottled 



in Bleeker's figure. 



Uropterygius macrocephalus (Bleekor) 

 12b. Tail longer than trunk (snout to anus) ; thus usually about 

 1.7 to 1.9 times in total length. 

 13a. Length ot midcaudal fin rays 13 to 18 in head ; color 

 pattern reticulated, or a network of blackish or brownish 

 lines over a light brownish or pale background of color ; 

 under side of head plain pale, as is lower jaw ; sometimes 

 the sides of lower jaw have the reticulations ; middorsal 

 line with a fold of skin beginning near or on head and 

 resembling a dorsal fin, but no rays appear until near 

 caudal fin. Head 8.6 to 9.4; depth 18 to 21; snout to 

 anus 2.2; all in total length. Head 4.0 to 4.3 in the 

 distance from snout to anus. Mouth 2.9 to 3.0; depth 

 2.0 to 2.1 ; snout 6.2 ; all in length of head. Eye 2.0 to 

 2.2 in snout. Teeth as in figure 3, h. Posterior nostril a 

 rim on specimens from 125 to 240 mm. 



Uropterygius micropterus (Bleeker) 

 ISb. Length of midcaudal fin rays 23 to 27 times in the head ; 

 color pattern not of reticulated lines but mottled, on our 

 shortest specimens of 160 mm. total length. Head 7 to 

 11; depth 18 to 23; snout to anus 2.1 to 2.4; aJl in 

 total length. Head 3.2 to 4.3 in snout to anus. Mouth 

 2.7 to 3; depth 2.1 to 3; snout 5.4 to 6.3; all in head. 

 Posterior nostril a raised rim in small specimens but 

 tubular on large adults 355 mm. and longer. (Fig. 3, e.) 

 Uropterygius marmoratus (Lacepdde) 



UROPTERYGIUS CANTONENSIS, new species 



Plate 4 ; Figure 3, a 



HoJotype. — A specimen (U.S.N.M. No. 115904) 158 mm. in total 

 length, collected by Leonard P. Schultz in the lagoon of Canton Island, 

 among coral heads, May 23-25, 1939, along with 10 paratypes 

 (U.S.N.M. No. 115905), 102 to 166 mm., with the same data. One 

 paratype (U.S.N.M. No. 115906), 155 mm. long, was taken on the 

 reef of the widest shallow channel of Canton Island, by L. P. Schultz 

 on May 13, 1939, and another (U.S.N.M. No. 115907), 93 nnn. long, 

 from the lagoon of Canton Island, April 23 to May 12, 1939. 



