ON THE HYDROIDS OF THE SCOTTISH NATIONAL ANTARCTIC EXPEDITION. 3 



Arranging the Scotia specimens according to the localities in which they were 

 obtained, we get the following list : — 



Antarctic Pelagic Region. 



('() Antarctic circiimpolar subregion. 



Nil. 

 (b) Southern circunipolar subregion. 



BuRDWooD Bank, 54° 25' S., 57° 32' W. 5G fnis. 1st December 1903. 



* Hebella striata, Alhn. 



* Calijrella si/ringa, Linn. 

 Lafoea aidarrtica, Hart. 



* „ \/racillima (Alder). 



* Grammarid mMjellanica, Allm. 



* Halecium lieartii, Johns. 



* Synthecium rohustum, Nutt. 



* SertulareUa filiformis, var. retindata, n. var. 



* ,, tenella, Alder. 



* ,, tricuspidata, Alder. 



Antarctic Littoral Region. 



Falkland Islands. 



{a) Port Stanley. 8th .January 1903. 



* Campanularia ungulata. Hinks. 



,, tincta, Hinks. 



Sertulurella coidorta, Kirch. 



Plumularia magellanica. Hart. 

 (/)) Cape Pembroke, -lanuary 1903 to January 1904. 



Sfrtularella coidorta. Kirch. 

 South Orkney Islanos. 



(a) MacDougall Bay. November 1903. 



Ohflia lonijissinia, Pall. 

 {!>) Scotia Bay. 25th March and 6th December 1903. 



Gampanuhiria, sp. 



Ohelia longUmna, Pall. 



* Halecium Interpol atum, n. sp. 



* Staurotheca reticulata, n. sp. 



* Sertularella rertdheca, n. sp. 



Sr-iTioN 411, off Coat's Land, 74° 1' S., 22' 0' W. 12tli March 1903. 

 Hebella striata, var. plana. 

 Halecium rohudum, Allm. 



GouGH Island. 22nd April 1904. 



Silicularia hemisphericu, Allm. 

 Obelia geniculata, Linn. 



* Brucella arrnata, nov. gen. et sp. 

 Halecium tenellum, Hinks. 

 Sertularella 'jayi, Lamx. 



Capk Colony. 



(a) Cape Town Docks. j\lay 1904. 



Plumularia echinulata, Lanik. 

 „ pinnata, Linn. 



* Indicates a new record for the Geographical Region. 



(ROY. see. EDIN. TRANS., VOL. XLV., .'521.) 



