AMOYA 225 



than those posteriorly and extend forward nearly to eyes; the 

 dorsals rather far apart, the first dorsal low, the tips of the 

 spines threadlike, scarcely reaching origin of second dorsal 

 when depressed, 1.7 times in head; the second dorsal lower, 

 falling far short of caudal when depressed, about 2.3 times in 

 head ; the anal still lower, 2.5 times in head ; the caudal peduncle 

 broad, 1.7 times in its own length, over twice in head; the 

 caudal broadly rounded, 1.2 times in head ; the pectoral pointed, 

 about 1.55 times in head; the ventrals moderately broad with 

 rounded tip, 1.8 times in head. 



The color in alcohol uniform brown, darker above on head, 

 the posterior half yellowish brown beneath; from above preo- 

 percle a dark brown, slightly convex band goes back to base of 

 caudal, continuing back on fin as a blackish line; a similar 

 band goes from under pectoral to base of caudal and on fin as 

 a blackish line ; the bands much more distinct on posterior half 

 of body; on the pectoral a blackish vertical mark; on the sides 

 of anterior half of trunk several vague dark crossbands; on 

 upper margin of caudal a black bar and below it a dark brown 

 lengthwise stripe ; the first dorsal light brown with a large black 

 spot on upper part of membrane between fifth and sixth spines ; 

 the second dorsal brown with darker markings; the other fins 

 uniform in color with body. 



Here described from the type and only specimen, 29 milli- 

 meters long, collected by Prof. S. F. Light at Hoihow, Hainan. 



Bis, twice; vittatus, banded. 



Genus 45. AMOYA g. nov. 



This genus is separated from Rhinogobius by the smaller and 

 more numerous scales (46 to 50 in a longitudinal series), and 

 by the teeth being in but two rows in each jaw. 



Body plump, laterally compressed, little elevated, covered 

 with ctenoid scales, largest posteriorly, minute above opercles,' 

 the head and nape naked; longitudinal rows of papillae on pre- 

 opercle, and perpendicular and transverse rows on opercle ; head 

 with conspicuous pores; dorsals close together, low; caudal 

 pointed, longer than head, with well-developed short accessory 

 rays; pectoral pointed, without silky rays above; gill openings 

 vertical, narrow, restricted, isthmus broad. Dorsal VI, 1-10; 

 anal I, 9. 



Generic type, Gobius brevirostris Giinther. 



Amoya, from Amoy, China. 



223798 15 



