74 U. S. BUREAU OF FISHERIES 



492. Sternoptix diaphana Herrmann. 



Atlantic; Gulf Stream, from Santa Cruz Island to the Grand Banks. 

 Sternoptix diaphana Herrmann, Naturforscher, XVI, 1781, 8, Jamaica. 



Genus 176. ARGYROPELECUS Cocco. 



Argyropelecus Cocco, Arch, del R. Acad. Peloritano, 1829, 146 {A. hemi- 



gymnus Cocco). 

 Pleurothyris Lowe, Hist. Fish. Madeira, 1843, 64 (Sternoptyx olfersi 



Cuvier) . 



493. Argyropelecus hemigymnus Cocco. 



Atlantic and Mediterranean; Gulf Stream off Southern New England. 

 Argyropelecus hemigymnus Cocco, Arch, del R. Acad. Peloritano, 1829, 



i46, coast of Italy. 

 Sternoptyx mediterraneus Cocco, Giorn. Faro de Messina, IV, 1838, 7, 



coast of Italy. 



494. Argyropelecus olfersi (Cuvier). 



Open Atlantic; coast of Norway to Brazil and Cape of Good Hope; 



Grand Banks southward in the Gulf Stream. 

 Sternoptyx olfersi Cuvier, R^gne Anim., ed. 2, II, 1829, 316, near Cape 



of Good Hope. 

 Argyropelecus durvillii Cuvier and Valenciennes, Hist. Nat. Poiss., 



XXII, 1849, 405, open Atlantic. 



495. Argyropelecus lychnus Garman. 



Western Pacific in deep water. 



Argyropelecus lychnus Garman, Deep Sea Fishes, in Mem. Mus. Comp. 



Zool., XXIV, 1899, 234, PI. T, fig. 1, 16; many stations in eastern 



Pacific. 



496. Argyropelecus afRnis Garman. 



Tropical Atlantic in deep water. 



Argyropelecus affinis Garman, Deep Sea Fishes, in Mem., Mus. Comp. 



Zool., XXIV, 1899, 237; sta. 2117, N. lat. 15° 24' 40", W. long. 



63° 31' 30", in 683 fathoms. 



Genus 177. POLYIPNUS Gunther. 



Polylpnus Gunther, Challenger Rept., 1887, 170 (P. spinosus Giinther). 



497. Polyipnus laternatus Garman. 



OfT Barbados. 



Polyipnus laternatus Garman, Mem. Mus. Comp. Zool., XXIV, 1899, 

 238; Blake station 280, off Barbados in 221 fathoms. 



498. Polyipnus spinosus Gunther. 



Gulf of Mexico; between the Philippines and Borneo. 

 Polyipnus spinosus Gunther, Challenger Rept., XXII, 1887, 170, from 

 the surface near the Philippine Islands. 



Order 0. LYOPOMI 



Family 63. HALOSAURID.® 



Genus 178. HALOSAURUS Johnson. 



Halosaurus Johnson, Ann. Mag. Nat. Hist., XIV, 1863, 74 (H. oweni 



(ovenii) Johnson). 

 Halosaurirhthys Alcock, loc. cit., 1889, 454, (H. carinicauda Alcock). 



499. Halosaurus giintheri Goode and Bean. 



Gulf Stream. 



Halosaurus giintheri Goode and Bean, Oceanic Ichth., 1895, 131, Gulf 

 Stream, in lat. 39° 13' N., long. 72° 1' W., Albatross stsition 2722. 



500. Halosaurus radiatus Garman. 



Off Panama in deep water. 



Halosaurus radiatus Garman, Deep Sea Fishes, in Mem. Mus. Comp. 



Zool., XXIV, 1899, 298, PI. LX, figs. 2, 2a, PI. LXXXIV, figs. 3-6; 



several stations off Panama in depths from 259 to 511 fathoms. 



