200 The Philippine Journal of Science 1923 



Depth 14.5 to 17.4 in total length, head 7.4 to more than 9, 

 and about 3 in trunk ; head and trunk together equal to or some- 

 what shorter than tail; eye 8 to 10 in head and 1.5 to 2 in snout, 

 which is from 5 to more than 6 in head; mouth large, its gape 

 2.2 to 3 in head; dorsal begins about three-fourths the length 

 of head from snout and is comparatively high, about one-third 

 the depth of body; anal nearly 

 0^0 as high; two rows of teeth on 



° O | a J? 0% maxillaries, the outer row of 



fr & JO 0% about twelve minute teeth, the 



A 5 t\& |° °| much shorter inner row of six 



ft \ **£* I 1 to eight very much larger sharp 



p I *\ I I teeth; ten to twelve large stout 



\c o d I recurved teeth in a row around 



fig 10. Echidna deiicatuia (Kaup), den- intermaxillary plate with two 

 tttion'; a, intermaxillary plate-, b, max- st in stronger teeth in a row in 

 maries; c, vomer; d, mandibles, x 4. ^ middle ; vomerine teeth sep- 

 arated from intermaxillary plate, stout, rounded, eight to sixteen 

 in number, in a double or an irregular and partially double row ; 

 mandibulary teeth small, about eighteen on each side, with four 

 pairs of much stouter granular teeth forming an inner row 

 near symphysis. 



Color dark brown or purplish brown, marbled everywhere with 

 innumerable, fine, irregular, intricate whitish lines, or pale 

 brown to whitish, everywhere marbled with irregular dark brown 

 spots ; chin and snout paler. 



Here described from two specimens from Puerto Galera, Min- 

 doro, each 160 millimeters in length, and a specimen from Duma- 

 guete, Oriental Negros, having a length of 174 millimeters ; one 

 previous Philippine record from southern Negros, by Jordan and 

 Seale. 



This beautiful little eel reaches a length of nearly 500 milli- 

 meters, and is known from the Riu Kiu to the Samoan Islands. 

 Echidna amblyodon Bleeker. 



Mursena amblyodon Bleeker, Act. Soc. Sci. Indo-neerl. 1 (1856) 72. 



Echidna amblyodon Bleeker, Atlas Ichth. Muraen. 4 (1864) 79, pi. 22, 



fig. 1; Weber and Beaufort, Fishes Indo-Austr. Arch. 3 (1916) 351. 



Depth 11.4 in total length, head 6& and 2.5 in trunk; tail 



0.9 the length of head and trunk together; eye 7.2 in head, 1.5 



in snout, which is 4.8 in head; mouth ample, extending well 



behind eyes, 2.57 in head; gill openings smaller than eyes; 



dorsal beginning before gill openings, low anteriorly, but wide 



