390 
BULLETIN 100, UNITED STATES NATIONAL MUSEUM. 
with black; the walls of the stomach are black, and those of the in- 
testines are also pigmented. 
Albatross station. -= 5-2 sees ose neces ee eee 5460 5515 
Totalilengthinimm 32622 252 seas ce eae cane ae | Ceaeece ene 271 
Genpth' to anus in: MMe = cee sate see eee 145 72 
engthiothead | 3: 222.265. ac ace aes ae teaeeieise sansa 63 
Lengthiof orbit s..32.-225 ois sae ase meen eae eaeieee 12 15 
Width ofinterorbital...........- Lae cet 4 Serie te 16 | 18 
Width ofsuborbitales eet eee ese aot eee Semen 8 
Orbit totpreapercle sca 3 ee seer ese ee 28 31 
A esafeadeltos UsieXn) Dh Benen Eee OBcerind Sob ameel tana Aaa. 18 17 
Mength of uppernjawe: css ssccee se ceecess werner o 33.5 36 
Depth ot bodies sseee. ses teeter ye en ero Ricio at's 45 
Width of body. ....--- BS ee OAC SOE Bata loo Aeneas 24 
Anns *to:anal2.c. 3-0 ncaa eo a pee Meee eeee as sesemiee 7.5 9 
AMUSO MVENLTAL See cee acne eee a ete ees ee 42 38 
Ventral to anteroventralend, pectoral girdle........_. 23.5 29 
Height ofsecond! dorsalispiiet ie nss- se cee ae ees |e- nee 31 
Lengthvorfirstidorsall base... os. esses esse or oer 19 18 
Length of first pectoral ray...-....- Rott cs eaitee aaa HOLA comets 
Length of second pectoral ray.........--...----.---.- 35+ 40+ 
Length of outeriventral rayeeo- can seo ee ee eee eal eeeenmeee 42+ | 
Hengthvot pillbrakers oss -seceee nena Setneece sane 8.5 9 | 
Number ofigill-rakers; left oe 9 o- eeseees see eee se x+19 6+20 
Numiberiof gill-rakers;ieht 2-5. 22 some eee nee 6+19 6+19 
Soltirays, first dorsal-2-S- 03.25. eee ee 8 8 
Bectoralirayseacse-eene seals seethases ited 20 15 
Ventral rays (both sides) 9-9 9-9 
Table of measurements in hundredths of length to anus. 
(furvescens, in reference to the dark color). 
' 5. BATHYGADUS SULCATUS (Smith and Radcliffe). 
5495 5601 
203 85-+ 
51 30 
65 66 
16 15 
19 20 
id Pee 
BI Wo5: eae 
19") |y2 eerie 
37 36 
46) | Soo ee 
phe Dees 
ll 9 
39 33 
29 31 
Ra ah teed Po 
"AOE gees 
40", cen Paes 
aS Dal ea eee 
es ae ee 
Regania sulcata SMITH and RADCLIFFE, Proc. U. 8S. Nat. Mus., vol. 48, 1912, 
p. 108, text fig. 1 and pl. 22, fig. 3. 
List of stations. 
, Depth 
Albatross Locality. in 
station ; fathoms. 
542311 Near Cagayan Island, Jolo Sea ...........-......-...---- ee 508 
5219'| Between Marinduque and Luzon ......-............---------- 530 
5423 | Near Cagayan Island, Jolo Sea .......- Us dts Sefcige eee Sao 508 
5424 | ....- GO. sake ce 2h: os See Sin ee aes ee es rn ei eee 340 
5510 | Off northern Mindanao........-- BES Soe ete oe Pe ae os oa 423 
5527. | Between Siquijorand) Bohol: 2..< .5-) 20. se.2-S2e. << ee cee 392 
BH OR a |") oe Oe. a 5 sul de ee cree ioasct oe eres Ee Cesta oles ofan ets 439 
Lia yAS Bl eer (6 10 PIR aro ey Cort Se het Cee Ae Gee Sma Ret Se noe Repel as Rien 441 
4 OF 0's) rE (nee & Ree re AP Lane he er eae Os a ee oa melas ECGs cobcae 
1 Type. 
| | 
Bottom | Number 
tempera-| of speci- 
ture. mens. 
Lael SD eel SOR El ll el 
A few additions to the original description have been compiled. 
Pseudobranchiae are present, but concealed beneath the skin. 
The inner shagreen-like portion of the premaxillary band of teeth 
is very definite, and forms a narrow margin along the entire band 
in the smaller specimens, but disappears anteriorly in the larger 
type; both portions of the band are widest at the end of the second 
third of its length; the teeth forming the outer portion are rather 
coarse, and expanded distally (“arrow-shaped”), but they become 
much smaller and more crowded posteriorly. 
The form of the interopercle distinguishes B. sulcatus from the 
other Philippine species of the genus; the lower margin of that 
