218 BULLETIN 100, UNITED STATES NATIONAL MUSEUM 



the original discovery in 1816. It, therefore, needs no further de- 

 scription here. 



Localities. — Dredging station 5097, China Sea, 14° 15' 15" N., 

 120° 33' 52" E.; depth, 30 fathoms. Station 5100, China Sea off 

 Southern Luzon, Corregidor Light, 14° 17' 15" N., 120° 32' 40" E.; 

 depth, 35 fathoms. Station 5134, Sulu Archipelago, 6° 44' 45" N., 

 121° 48' E.; depth, 25 fathoms. Station 5146, Sulu Archipelago 

 near Siasi, Sulade Island, 5° 46' 40" N., 120° 48' 50" E.; depth, 

 24 fathoms. Station 5221, between Marinduque and Luzon, 13° 38' 

 15" N., 121° 48' 15" E.; depth, 193 fathoms. Station 5248, Gulf 

 of Davao, Lanang Point, 7° 7' 25" N., 125° 40' 24" E.; depth, 18 

 fathoms. Station 5400, North of Cebu, 11° 24' 24" N., 124° 5' 30" 

 E. ; depth, 25 fathoms. Station 5413, between Cebu and Bohol, 

 10° 10' 35" N., 124° 3' 15" E.; depth, 42 fathoms. Station 5479, 

 between Samar and Leyte, 10° 47' 15" N., 125° 17' 50" E. ; depth, 

 62 fathoms. Station 5481, same locality, 10° 27' 30" N., 125° 17' 

 10" E.; depth, 61 fathoms. 



General distribution. — Almost world wide in tropical and teni- 

 perate oceans, especially in the eastern part of the Pacific, where 

 it has been reported as far south as New Zealand. It has also been 

 reported by Allman from Bahia, Brazil, and the South Atlantic 

 Ocean. 



DIPHASIA DIGITALIS (Busk) 



Sertularia digitalis Busk, Voyage of the Rattlesnake, vol. 1, 1852, p. 387. 

 Desmoscyphus longitheca Allman, Mem. Mus. Comp. Zool., vol. 5, no. 2, 



1877, p. 26. 

 Diphasia digitalis Bale, Australian Hydroid Zoophytes, 1884, p. 101. 



This well marked species was first described more than 70 years 

 ago and has since been reported from various localities in both the 

 Atlantic and Pacific Oceans. The specimens secured during the 

 Philippine cruise of the Albatross are quite characteristic, although 

 the gonosome is absent. 



Locality. — Dredging station 5163, Sulu Archipelago, Tawi Tawi 

 group, Observation Island, 4° 59' 10" N., 119° 51' E.; depth, 28 

 fathoms. 



Distribution. — Prince of Wales Channel, Torres Strait, 9 fathoms, 

 West Indies (Allman, Nutting); off Bahia, Brazil (Allman), 10 to 

 20 fathoms; several Albatross stations in the North Atlantic, includ- 

 ing West Indies down to 213 fathoms; Philippine Islands (Hargitt) ; 

 Australia ( Stechow ) . 



DIPHASIA HEURTELI Billard 



Plate 42, figs. 5, 6, 7 



Diphasia heurteli Billard, Note critique sur divers genres et especes 

 d'Hydroi'des, 1924, p. 67. 



As the gonosome was not present on the type specimen described 

 by Billard and as we have abundant material both of the trophosome 



