ANTHOZOA. 
Cod. 17 
Xenia rigida , n. sp., Mozambique, p. 80 ; tumbatuana , n . sp., p. 84 ; 
quinqueserta , n. sp., Tumbatu, p. 86 ; sansibariana , n. sp., p. 87 ; 
bciuiana, n. sp., Zanzibar, p. 88 ; medusoides, n. sp., Tumbatu, p. 88 ; 
May (89): X. hicksoni , n. sp., Celebes ; Ashworth (6) 
ANTIPA THARIA. 
Systematic. 
Antipathella bi'ooki, n. sp., p. 384, Funafuti; Whitelegge & Hill (134). 
ACTINIARIA. 
General Biology. 
Anatomy of Palythoa brasiliensis and Gemmaria variabilis ; Helder 
(57). 
Autotomy of the tentacles in Bolocera , Polyopis and Boloceroides n. g. 
and probably in Polystomidium patens ; Carlgren (21). 
Development : Septal funnels (Septaltrichter) of Actinian embryos due 
to contraction and not homologous with the primary septal funnels of 
Scyphistoma ; development of Bunodesgemmacea ; Carlgren (20) : Aulac- 
tinia stelloides McMur. and Lebrunia coralligens (H. Y. Wilson); Duerden 
(33). 
Fission: Longitudinal fission in Metridium marginatum ; Parker 
(102). 
Hermaphroditism : Antholoba reticidata Dana and Bunodes herma- 
phroditicus , n. sp. ; Carlgren (19). 
Histology : Centrosomes in thread-cells of Anemonia sidcata ; Prenant 
( 105); mesenterial filaments of Zoanthus sociatus ; McMurrich (91). 
Incubation : eggs deposited in special ectodermal pits or brood-pouches 
where they develop directly into actinuhe, pp. 375-380 ; Merrill (129) : 
Condylactis georgiana (Pfeffer). Ectodermal brood-pouches ; Carlgren 
(19). 
Distribution. 
Faunistic : deep sea fauna, like Arctic and Antarctic littoral fauna, 
characterised by almost exclusive occurrence of Actinince ; the tropical 
littoral fauna by Sticliodactylince ; Carlgren (21). 
Tropical littoral fauna: Sticliodactylince. Characteristic ; Carlgren 
(21). 
Antarctic Zoantharia : 17 Actinians, 2 Zoanthids and 1 Madreporarian ; 
Carlgren (19). 
East Indies : Boloceroides ; Carlgren (21). 
Funafuti; Whitelegge & Hill (134). 
Hawaiian Islands : Bunodactis manni ; Merrill (129). 
Nova Scotia : Epigonactis ; Merrill (129). 
West Indies : Raphactis caribcea ; Merrill (129). 
Systematic. 
Actinostola intermedia , n. sp. ; Carlgren (19, p. 31). 
Alloactis n. gen. type A. excavata (Hert.), p. 206, footnote; Merrill 
(129). 
Ammophilactis n. g. type A. rapiformis (Less.), p. 213, figg. 28 & 33 j 
Merrill (129). 
