PHILIPPINE MACROUROID FISHES GILBERT AND HUBBS. 447 



The slender body is not strongly compressed, the width being 

 equal to the depth below the origin of the lateral line; the greatest 

 depth is contained 1.8 (to 1.95) times in the head. The dorsal con- 

 tour of the snout in this species is straight, and is more oblique 

 than the postrostral outline, which is nearly "straight; the ventral 

 contour is gently convex behind the mouth. The snout is broad and 

 deep, with sides evenly and strongly convex to the bluntish tip, 

 which is not produced in the type, and but little produced in the 



Fig. 9. — Coelorhynchtjs mactjlatus. Type. 



smaller paratypes; the extreme tip of the snout, through the termi- 

 nal plates, is not depressed. The dimensions of the snout follow. 



Table of measurements of the snout at different sizes. 



Length of head, in mm 



Proportions in head: 



Preocular length 



Preoral length 



Width, at front of orbits 



2.3 



2.45 

 2.6 



This table seems to indicate that the relative length of the snout 

 decreases with increased size, as it does also in C. Jordan i and in other 

 species of this subgenus, while the reverse condition obtains in cer- 

 tain species of the subgenera Oxymacrurus and Oxygadus. 1 The 

 middle of the length of the head in the largest specimen, the type, 

 is at the center of the pupil, while it is at the front margin of the 

 pupil in the smallest specimen, in which the head is 35.5 mm. long. 

 The scaly ridges of the head are strongly developed, the occipital 



1 We find the same condition, however, true in C. aratrum, an Hawaiian species of the 

 subgenus Oxygadus. 



119404—20 6 



