ON THE HYDROIDS OF THE SCOTTISH NATIONAL ANTARCTIC EXPEDITION. 63 



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

 obtained, we get the following list : 



ANTARCTIC PELAGIC REGION. 



(a) Antarctic circumpolar subregion. 



Nil. 



(b) Southern circumpolar subregion. 



BURDWOOD BANK, 54 25' S., 57 32' W. 56 fms. 1st December 1903. 



* Hebella striata, Allm. 



* Calycella syringa, Linn. 

 Lafoea antarctica, Hart. 



* uracillima (Alder). 



* Grammaria magellanica, Allm. 



* Haleciwn beanii, Johns. 



* Synthecium robmtum, Nutt. 



* Sei-tularella filiformis, var. reticulata, n. var. 



* tenella, Alder. 



* tricuspidata, Alder. 



ANTARCTIC LITTORAL REGION. 



FALKLAND ISLANDS. 



(a) Port Stanley. 8th January 1903. 



* Campanularia tingulata, Hinks. 



,, tincta, Hinks. 



Sertularella contorta, Kirch. 

 Plumularia mar/ellanica, Hart. 



(b) Capo Pembroke. January 1903 to January 1904. 



Sertularella contorta, Kirch. 

 SOUTH ORKNEY ISLANDS. 



(a) MacDougall Bay. November 1903. 



Obelia lonyissima, Pall. 



(b) Scotia Bay. 25th March and 6th December 1903. 



Gampanularia, sp. 

 Obelia. longissima, Pall. 



* Halecium interpolation, n. sp. 



* Staurotheca reticulata, n. sp. 



* Sertularella rectitheca, n. sp. 



STATION 411, off Coat's Land, 74 1' S., 22 0' W. 12th March 1903. 

 Hebella striata, var. plana. 

 Halecium robustum, Allm. 



GOUGH ISLAND. 22nd April 1904. 



Silieularia hemispherica, Allm. 

 Obelia geniculata, Linn. 



* Brucella armata, nov. gen. et sp. 

 Halecium tenellum, Hinks. 

 Sertularella gayi, Lamx. 



CAPB COLONY. 



(a) Cape Town Docks. May 1904. 



Plumularia echinulata, Lanik. 



,, pinnata, Linn. 



* Indicates a new record for the Geographical Region. 

 (ROY. soc. EDIN. TRANS., VOL. XLV., 521.) 



