ALCYONAEIA OF SIND. 19 



attachment at the base. The septa are in four cycles, incompletely developed, an order 

 being missing in one or two half-systems; they are slightly exsert, granular, and not 

 very close ; those of the first and second cycles are equal and are the longest. The 

 pali are small, unilobed and are before the first, second, and third septa. The colu- 

 mella is small. The costse are large, strong, projecting, multigranular, alternately large 

 and very small ; but there are exceptions. The smaller costse are largely and roundly 

 granulated, in single series, and some exist from the base, and the others come in far up. 



Height of the corallum -j^ inch. 



Breadth of calice ^g inch. 



Locality. Jakhmari, Laki range, south-west of Amri. Survey-number G f f y. 



Illustrations of the Species in Plate I. 



Fig. 11. The coral : natural size. 



12. The calice : magnified. 



13. A part of the calice : magnified, and more or less as a diagram. 



Subfamily TUBBINOLIAOE^. 



Genus SMILOTEOCHUS. 



Smilotroclius, M. Ed. Sf J. Haime, Hist. Nat. des Corall. vol. ii. 



This genus, as noticed in Brit. Foss. Corals, Palaeont. Soc. 1869, p. 19, by P. M. 

 Duncan, is the simplest type of coral, there being only wall, costee, and septa present, 

 A non-generic attribute was admitted in the diagnosis by MM. Milne-Edwards and 

 Jules Haime, namely, that the corallum had no trace of former adhesion. This is 

 now omitted, for several corals from Sind have clearly Smilotrochoid peculiarities, but 

 also present traces of former adhesion to foreign bodies. I have shown, in the descrip- 

 tion of the Madreporaria dredged up in the expedition of H.M.S. ' Porcupine ' (Trans. 

 Zool. Soc. Lond. vol. viii. p. 309), that in the genus Caryophyllia broad surfaces of 

 adhesion, smaller pedunculate scars, and perfectly free bases are consistent with specific 

 identity. Hence the former state of adhesion or not has no generic value; for an 

 adherent coral may become non-adherent with age, and may lose every trace of its 

 former state. 



1. SMILOTEOCHUS Jakhmari, Buncan. Plate I, Figs. 14-17. 



The corallum is tall and conical, with a circular, widely open calice, and a 

 small base adhering to a shell ; it is also slightly curved or nearly straight, and is 

 marked with lines of growth. The septa are in four cycles in six systems, and are very 

 slightly exsert ; those of the higher orders are less prominent and smaller than the 

 others, and all are minutely granular, even on the free margin. The costse are well 

 developed, narrow, alternately large and small ; and these last are minute in some places, 

 and have a single row of distinct granulations on them ; the others, much larger, are 

 granular and wavy. 



Height of the corallum —q inch. 



Breadth of calice yo inch. 



Locality. Jakhmari, Laki range, south-west of Amri. Survey-number G |-|^, 



d2 



