264 BULLETIN 180, UNITED STATES NATIONAL MUSEUM 



the pectoral fin; the suboperculum and interoperculum have a notch 

 that fits around the anterior bases of the pelvic fins; gill openings 

 are free from the istlinius and extend far forward; the lateral line 

 extends along the midaxis anteriorly but posteriorly pursues a ventral 

 course almost meeting its fellow behind the anal fin ; in front of the 

 dorsal fin along the middorsal line is a row of scales, numbering 

 about 14, that disappear over the middle of the pectorals and they 

 do not occur on the head ; on each side of the base of the dorsal and 

 anal fins posteriorly is a row of scales, also a few scales posteriorly 

 on the sides of the caudal region; the slender maxillary slips into 

 a groove under the eye; the lips or edge of the lower jaw have about 

 13 or 14 cirri or tiny toothlike projections on their sides but none 

 on the tip of the lower jaw or on the upper jaw; no papillae on 

 opercular apparatus on head; the large eyes, on front part of head, 

 have the small pupils located anteriorly, and directed forward; 

 interorbital space concave; anterior nostrils tubular, posterior nasal 

 opening or a pore in front of dorsal edge of eye; premaxillary a 

 little protractile, the fleshy snout extending in front of the tip of 

 lower jaw, snout flattish on ventral surface and a very trifle turned 

 upward anteriorly; villiform teeth in very narrow bands on both 

 jaws; a patch of villiform teeth at front of palatines; no teeth on 

 vomer; tongue narrow, free and pointed, not bilobed. 



Color translucent, when alive, but pale yellowish in alcohol; eyes 

 and sometimes tip of snout black; about IG short brownish saddles 

 on back, sometimes with a few fainter ones between the brown 

 saddles near middle of length; some of the specimens are entirely 

 pale except for the black eyes; others in addition to having the 

 brown saddles have a brown band along the middle of the side; fins 

 mostly pale, the caudal has a few pigment cells on some specimens. 



ReTYiarha. — This new species differs from all other closely related 

 forms by having I, 4 pelvic fin rays, and the roW' of scales in front 

 of the dorsal fin among other characters. 



Some of the larger females contain large eggs in the body cavity, 

 almost free, indicating that spawning time is near. 



Named tauensis after the beautiful tropical island, Tau, one of 

 the Manua group, where a series of specimens was collected. 



Genus CRYSTALLODYTES Fowler 



Crystaillodi/tcs Fowleu, Occ. Pap, B. P. Bishop Mus., vol. 8, p. 390, 1923. (Type, 



CryKtaUodi/tes rookci Fowler.) 



CRYSTALLODYTES COOKEI ENDERBURYENSIS. new subspecies 



Figure 25 



Eolotype.—A. specimen (U.S.N.M. No. 116086) 61.5 mm. in stand- 

 ard length, collected by Leonard P. Schultz on the reef of Enderbury 

 Island, May 15 to 19, 1939, along with 44 paratypes (U. S. N. M. No. 



