1910.] FROM MERGUI ADCHIPELAGO. 805 



Dimensions : — 



Stem, diameter 0-20-0-24 mm. 



Hydranth-beaiing ramules, diameter . 0'll-0-16 mm. 



Localities. Many colonies from St. 22, Hastings Harbour, 3 to 

 20 fathoms and shoie, rock and snnd ; and a few poor colonies, paler 

 in colour, from each of Stations 2;i, Five Islands, 8 to 12 fathoms, 

 rock and sand, and mud ; and 25, Gregory Group and Crichtou 

 Island, 4 to 14 fathoms, stones and broken shells, and rock. 



Recorded originally by Allman from S,S.\V. of Tortugas, at a 

 depth of 60 fathoms, this doubtful species forms an addition to 

 the fauna of Indian seas. 



EuDENDRiUM GENERALis Lendenfeld, 1885. 



The colonies belonging to this species are mature, but are 

 only about 1 cm. in height. They bear well- developed female 

 gonophores, oval in shajie, which spring in a wliorl of four or five 

 from the base of a hydianth, as in Kirkpatrick's description and 

 figures (1890, p. 607, pi. xv. fig. 2). 



The trophosome of this species is hard to distingiiisli from that 

 of E. capillare. The more slender character of the branches of 

 the latter, relied on in part by Kiikpatrick, is of little v.alue, 

 since a considerable amount of variation occurs in both species. 

 On the other hand, the branching of E. capillare is more profuse, 

 and irregular ; also in the Australian species there is, in the 

 smaller branches, distinct alternation, while the whole colony 

 appears more rigid than the lax growtlis of E. capillare. 



Dimensions : — 



Stem, diameter 0-14 mm. 



Hydranth-beai-ing ramule, diameter 0'09 mm. 



Locality. Creeping in small (juantity upon Etidendrium attenu- 

 aium ? and Idia pristis, both from St. 22, Hastings Harbour, 

 3 to 20 fathoms and shore, rock and .sand. 



Until the present record from tlie Indian Ocean, this species 

 has been found only in the Australian region : Port Phillip, near 

 low water (Lendenfeld, 1885, p. 351); Ton-es Straits— 20 miles 

 N.N.W. of Warrior Island, 5J- fathoms; Murray Island, 15 to 

 20 fathoms (Kirkpatrick, 1890, p. 007). 



Family C o r y n i d iE. 



Cladocoryne haddoxi Kirkpatrick, 1890. 



Except in size (for they are even more diminutive ihan these 

 recorded by Kirkpatrick and Jiiderholm), the Murgui specimens 

 agree with the description an<l figures of the former, the double 

 wrinkle at the base of the stalk being very evident. On occasion, 

 one or two additional wrinkles may occur at the base of the stalks 

 and, more seldom, on their middle portions; but in the majority 

 of cases these rings are of little significance, since they belong to ii 

 new stalk regenerated after the destruction of the old one. Here, 



I'] 



