406 BULLETIN 189, UNITED STATES NATIONAL MUSEUM 



by the Mission. The proportions and enumerations given first in 

 each instance apply to the type, which has a slightly abnormal anal 

 fin, but otherwise is in good condition. It actually has only 24 rays, 

 but in one place, where the rays are far apart, two fulcra with undeveloped 

 rays are clearly indicated. 



A third specimen, 36 mm. (31 mm. to base of caudal) long, collected 

 in Sechura Bay by R. E. Coker, included with the paratypes of E. 

 hudsoni, probably also belongs to this species. It agrees in all respects 

 with the specimens described, except for the long, somewhat fila- 

 mentous first spine of the dorsal, which possibly is characteristic of 

 the young. The following proportions and enumerations are based 

 on that small specimen: Head 3.9 in length; depth 7.7; base of anal 

 2.0; pectoral 5.3. Eye in head 4.4; snout 6.1 ; interorbital 26; maxillary 

 2.0; caudal peduncle 4.0; ventral 1.6; pectoral 1.4. D. XXII. 15; A. 

 26; P. 13. 



This species differs from E. hudsoni Evermann and Radcliffe in the 

 much more pointed snout, the notably shorter tentacle over the eye, 

 the much less strongly elevated spinous dorsal, the narrower ventral, 

 with the two longest rays distally free, and in color. From E. nivipes 

 Jordan and Gilbert, from Panama Bay, it may be distinguished by the 

 lower spinous dorsal, the fewer dorsal spines and more numerous soft 

 rays, the dorsal formula for nivipes being XXIV, 12, and by the absence 

 of light vertical bars on the side, having instead a series of dark spots. 

 It differs from E. guttata Ginsburg, from Panama Bay, in having 13 

 instead of 14 pectoral rays, in the smaller, simple (unbranched) ten- 

 tacle over the eye, and in the presence of dark spots on the back and 

 reticulations on the sides. It does not have bony tubercles on the 

 snout like E. piratica Ginsburg, which is also from Panama Bay. 



Range. — Known only from the type material, from Sechura Bay, 

 Tortuga Bay, and Independencia Bay, Peru. 



EMBLEMARIA BICIRRUS, new qiecies 



Trambollito 

 Figure 79 



Head 4.0; depth 5.8; D. XXI, 16; A. II, 26; P. 14. 



Body moderately elongate, compressed, its greatest thickness about 

 two-thirds its depth; head short, nearly as broad as deep, its dorsal 

 outline ascending rather rapidly to interorbital; caudal peduncle 

 strongly compressed, 3.6 in head; snout rather blunt, with a median 

 groove extending from anterior nostril to origin of dorsal, not bor- 

 dered by rough bony ridges, 6.0 in head; eye 4.0; interorbital very 

 narrow, 18; mouth horizontal, terminal; maxUlary extending well 

 beyond eye, 1.8 in head; teeth in the jaws consisting of an outer series 

 of rather prominent teeth, some of the anterior ones larger than the 

 lateral ones, caninelike; vomer with minute teeth; palatines with a 



