32 DEEP-SEA FISHES OF THE ATLANTIC BASIN. 



Other specimens have been obtained as follows: No. 22793, U. S. N. M., in 42° 40' N. 

 hit., 63° 23' W. Ion., off Le Have, at a depth of 350 fathoms; No. 492, IT. S. N. M., from 

 Noank Harbor; No. 219, U. S. N. M., in the Gloucester donation; No. 35003, U. S. N. M., in 

 39° 47' N. lat., 70° 30' 30" W. Ion., at a depth of 903 fathoms; No. 2385, U. S. N. M., in 28< 

 51' N. lat., 88° 18' W. Ion., at a depth of 730 fathoms; No. 20779, U. S. N. M., in 42° 40' N. 

 lat., 63° 23' W. Ion., at a depth of 350 fathoms; No. 22290, U. S. N. M. (237, Gloucester 

 donation); No. 22297, U. S. N. M., in 43° 23' N. lat., 60° 16' W. Ion., at a depth of 300 

 fathoms; No. 22498 (Gloucester donation), and Nos. 38221, U. S. N.M.,from the fishing banks 



CALLORHYNCHUS,(Gronov.), Cuvier. 



Callorhynchue, GRONOVIU8., Miis. Irhth., I, 59. CuvraR. — Regne Animal, ed. I, 1817. n, 140. 



Snout with a cartilaginous prominence, terminating in a cutaneous Hap. Two dorsal 

 tins, the anterior with a very long and strong spine. Extremity of the tail distinctly turned 

 upwards, with a fin along its lower edge, but without one above. Anal fin close to the cau- 

 dal, short and deep. 



The typical species of this genus, ft callorhynchvs (L.) { = <'. mtarctica (Lacepede) 

 Cuvier], has been hitherto found only in the Antarctic basin and the South Pacific. 



HYDROLAGUS, Gill. 

 Bijdrolngus, Gill, Proc. Acad. Nat. Bci. Phila., 1862, 331. 



Holoeephali closely allied to Chimmra, hut with no filament at the tip of the tail, and 

 with bipartite posterior appendages. 



HTDBOLAGUS COLLIEI, (Bennett), Gill. 



Chimmra Colliei, Bennett, in Beechey's Voy., Zool., 71, pi. 33, lig*. 1 anil 2.— GlRAJRD, U. s. A Pac. R.R. 

 Exped., Fish. 360.— Dimeisil, Elasmobr., 689. 



Hydrolagux Colliei, Gill, Proc. Ac. Nat. Sc. Phila., 1862, 331. 



Tail simply tapering, without filament. Three dorsal tins, besides the caudal: the first, 

 with the spine, is separated by a considerable interspace from the second; the three other 

 tins low, subcoutinuous. Each clasper of the male is divided into two club-shaped brandies, 

 which are rather shorter than the snout; both branches coated with the spiny membrane, 

 and the inner is not subdivided. Brown, silvery, upper parts with round yellow spots. 

 This form occurs only in the North Pacific. It is abundant about Paget Sound, and 

 in southeastern Alaska. It swims at the surface, and is abundant about the wharves at 

 Esquimalt, where it is called the "Ratfish." 



There is no evidence that it descends to very considerable depths. 



HARRIOTTA, Goode and Bean, n. g. 



Snout exceedingly elongate, with a cartilaginous midrib, and foliaceous lateral expan- 

 sions of the skin at its base. Two dorsal tins, the anterior with an immense triangular 

 spine, finely serrated, upou its lateral edges. Anal fin reduced to a cutaneous fold. Lon- 

 gitudinal axis of the tail nearly the same as that of the trunk, very elongate, with filamen- 

 tous tip, the fin below much more extensive than that above. No cephalic organ. Gill- 

 openings lateral ; separated by a wide isthmus. Claspers small and simple. 



This genus is named in honor of Thomas Harriott, the most eminent philosopher and 

 naturalist of his day in England, who was a member of Raleigh's Roanoke colony in Vir- 

 ginia in 1585, and who published the first work in English on American natural history. 



