408 BULLETIN 100, UNITED STATES NATIONAL MUSEUM. 
filis is open to doubt, owing to their failure to describe in detail 
those characters which we find of highest value in the discrimination 
of the species. 
The color is dark brown, becoming blackish on the belly and about 
the nostrils; the jaws, the branchiostegal and gular membranes, as 
well as the entire linings of the buccal, branchial, and peritoneal 
cavities, are black. The fins are mostly blackish, but the second 
dorsal is lighter anteriorly, especially near its base; the anal is 
dusky. 
Table of measurements in hundredths of length to anus. 
| 
Philippine Islands. Japan. () 
Albatyose Stahlon 36 sheet wecaceee Soene aces. Boe seems 5582 5607 5467 4973 2385 
Motaltenpfhinymmne. feat ee eer ce i ae |} 172+ 2244 2524 106+ 250 
én ethstoranus wns a le ae ee eee ee 61 61 72 35 68 
eneth of head iy. a. ssc wea ac eee Sete nee 61 634) 62 62 61 
Tengtinof Orbites- sneer cer ee eee ae aeeree eee 16 15.5 | 144 (| LG 9] 17 
Widthiofinterorbitale ek now sees Use cee ee 15 14.5 | 14 ota 14 12.5 
Widthiofsuborbitals. coke 2s cose eee teen eeeeere by 6 
Orbititopreoperclels oe set. asc sen ae tee ee Spe 28 27 
engthion snouts cecece tee ce eeeeee ae - 17 17 
Lengthiofupperjaw.-ccoses:-2+s5see = 38 37 
Width of band of teeth in upper jaw. - 1.8 1.3 
Length of barbel.. $2.2 s-02 oe eects 36 24 
Depth of body, about. 44 44 
Width of body, about 26 22:6 
(AMIS TOLVENTTAl ctecee meee eaten eee BP 32 32 38 35 
Ventral to end of pectoral girdle. .........---- ee DR) ASSES Pe ec eee 27 31 
Height of second dorsal spine................... esse. 198 | = 1204 |. daz io Weeee cee 130 
Height of. hirdidorsalimayzs.sssc- cee ce eee pean [peers Sete eet 24 Nice pee 27 
ength: of baseof first dorsalms. cs seeee see ee ene 16 20 19 19 19 
Tuengthi of firstipectoral nary nuen eae oe eames Same eee 5.5 | 10 Ol Sa Aas ( 9 
Length’ of second pectoral'ray...-<:22.-2-s2----225-2-- 150) |peetescceo|e-csat eee 107 124 
Leneth of third! pectoral ray: 35. o2 geese see eee beer eeeee loediseeenae 2h 4 Peace 28 
engthiof outer ventralirays.-- 622 ee - a eee eee ee TPP Eel Re 130720 2 Seeeee eee 139+ 
Wbengthi of:inner-ventralirayss-c-ee ae eee eee BU lS. ce Sa Soeeic ee oe laces 37 
Leneth:of: cill-rakers2 3603) seen. Sete cerca 9 10.5 9.5 13 9 
Scales above lateral line........-- SoU smok ar eoeeneos Biarw 6 6~ | Sue oer 5 
Soft rays) first dorsalee 22 2 eee es Sass ES ee 8 9 9 9 9 
Mentralirays) (DOGHSIGES) ee emeee te tee ce =e eee ieeio 8 8 8 8 8 
Pectoral rays) (left-side) Gtha< Sos ee ee pee beee ons eee 18 19 aus 15-15 
Outer gill-rakers 2 (left side).....:....-..---.-.-2--.-- 6+ 26 642265. 2= Ses 6427 7+30 
1 One of f the types of Bathygadus longifilis. 2 Including anterior rudiments. 
(multifilis, in reference to the numerous fin filaments.) 
Subfamily MACROUROIDINAE. 
Genus MACROUROIDES Smith and Radcliffe. 
10. MACROUROIDES INFLATICEPS Smith and Radcliffe. 
Macrouroides inflaticeps RApciirFE, Proc. U. S. Nat. Mus., vol. 48, 1912, 
D: 159;-pl. Si, fig: 
Type-specimen collected in 408 fathoms at Albatross station 5450, 
in Lagonoy Gulf, eastern Luzon; bottom temperature 42.3° F. 
The relationships of this Loaner ane aberrant fish are discussed? 
in our paper on Japanese Macrouroids, in connection with the 
description of the related Squalogadus modificatus. 
(in flaticeps, in reference to the immense head.) 
1 Gilbert and Babee, Proc. U. S. Nat. Mus., VOL 51, 1916, pp. 188, 140, 156. 
