336 
BULLETIN OF THE UNITED STATES FISH COMMISSION. 
Color in life: Entire body and head and bases of all fins black, with washing of rusty-brownish; 
middle of dorsal fin and outer parts of other fins more rusty; margin of dorsal black; each of the 
other fins with a distinct but narrow creamy-white border; bait white; inside of mouth black. 
Until now this fish was known only from the Bahama Banks, where the type was collected by the 
Nutting expedition. Two specimens, each about 1.75 inches long, were obtained near the coral reef 
at Mayaguez, in company with the specimen of A. scaber. 
Antennarius nuttingii Garman, Bull. Iowa Lab. Nat. Hist. 1896, 83, pi. II, Great Bahama Banks; Jordan & Evermann, 
1.0., 2723, 1898. 
Genus 163. CHAUNAX Lowe. 
Head very large, depressed, cuboid. Mouth large, subvertical; jaws and palate with bands of 
small teeth. Skin with small, sharp spines. Spinous dorsal reduced to a small tentacle above snout, 
retractile into a groove; soft dorsal moderate, low; anal short' ventrals small. Gills 2.5; no pseudo- 
branchne. Muciferous channels very conspicuous, lateral line prominent, undulate; another series of 
mucous tubes extending from lower jaws to axil; still another extending backward from snout and 
maxillary to a point behind eye, when it ceases, uniting with a vertical line which extends from 
lateral line to lower line, these lines thus inclosing a quadrate area on cheek. Gill-opening small, well 
behind pectoral under front of soft dorsal. 
Small, fantastic, deep-sea fishes. 
a. Dorsal rays 11; anal 5; depth 2.5 in length pictus, 288 
aa. Dorsal rays 13; anal 7; depth 2.4 in length nuttingii 
288. Chaunax pictus Lowe. 
Head 1.6; depth 2.5; D. i, 11; A. 5; P. 11; V. 4; C. 7. Rostral tentacle short, pedicellate; 
muciferous channels appearing as chain-like rows of pits. 
Color in spirits: Pale, with faint rosy shades persisting on back, caudal peduncle, and sides of head. 
Deep waters of the Atlantic; known from Madeira, Soudan, Cape Verde, Barbados, off Rhode 
Island, and elsewhere in the Gulf Stream, in 130 to 428 fathoms. Our single specimen, 2 inches in 
length, was taken in the beam trawl at Fish Hawk station 6070, 9 miles from Mayaguez, in 220 fathoms. 
Chaunax pictus Lowe, Trans. Zool. Soc. Lond. 1846, 339, Madeira; Jordan & Evermann, 1. c., 2726, 1898. 
? Chaunax fimbria tus Hilgendorf, Sitzber. Ges. Naturf. Freunde 1879, 80, Sea of Japan. 
tChaunax nuttingii Garman, Bull. Lab. Nat. Hist. Iowa Univ. 1896, 85, near Sand Key light, Florida, in 120 fathoms. 
Family LXXVI. 0GC0CEPHALM. The Bat-fishes. 
Head very broad and depressed, snout more or less elevated, trunk short and slender. Mouth 
not large, subterminal or inferior, lower jaw included; teeth villiform or cardiform. Gill-openings 
very small, above and behind axils of pectoral fins. Body and head covered with bony tubercles or 
spines. Spinous dorsal reduced to a small rostral tentacle, which is retractile into a cavity under a 
prominent process on forehead; in one genus the rostral tentacle is obsolete; soft dorsal and anal fins 
small and short; ventrals well developed; pectoral fin well developed, its base strongly angled, with 
long pseudobrachia and 3 actinosts. Branchiostegals 5; no pseudobranchue. There are 8 genera and 
about 30 species of these fishes, chiefly American, some of them in the deep sea. 
