113 



The thirty-six autozooids are arranged alternately in one row on each side of 

 the rachis. They vary from 2-3'2 mm. in height. Between these- there are some 

 smaller polyps interspersed, and there are 3-4 small polyps below the lowest well- 

 developed autozooid. The calyces are prominent, furnished with two strong point - 

 on the abaxial side which are separated from the axial side l>y a deep indentation. 

 The spicules are arranged longitudinally on the abaxial and axial surfaces, but on 

 the latter they tend to be placed transversely at the edges. On the lateral surfaces 

 the spicules are fewer in number, and some are directed ;it right nngles to the 

 stalk, so that they cross the others which are placed longitudinally. 



The spicules are in the form of needles, varying from O'5-l mm. in length on 

 the raehis and the autozooids, but on the stalk they are very small (0'12-0'15 mm.). 



On the small immature polyps the spicules are arranged as on the mature 

 forms, thus producing a small conical projection. 



No siphonozooids are distinguishable. Jungersen seems to have shown con- 

 clusively that Microptilum is simply a young stage of Pavonaria ; and as our 

 specimen agrees closely with Microptilum willemoesii, Kolliker, we have recorded 

 it under the title Pavonaria willemoesii. 



Locality : Andaman Sea ; 650 fathoms. 



Geographical Distribution. This genus is widely distributed ; P.finmarcli im 

 has been recorded from the coast of Norway, from the vicinity of Iceland, and from 

 the east coast of North America, at depths varying from 60-980 fathoms ; P. 

 africana (Studer) from the Atlantic and the West Coast of Africa, 10 12 '9' N., 17 

 23 '5' W. ; P. sp. from the Japanese Seas and the Gulf of Korea, and Microptilum 

 willemoesii from Station 235, south of Yeddo, 34 7' N., 138 E., at a depth of 565 

 fathoms. Another species has been recorded from Behring Island, and two more, 

 P. dofleinii and P. californica, from the Californian coast. 



Family PEXXATULID&. 



Subfamily Pennatuliiise. 



Pennatula indica, n. sp. 

 ,, veneris, n. sp. 



,, splendens, n. sp. 



,, pendula, n. sp. 

 Subfamily Pteroeididse. 



Pteroeides triradiata, n. sp. 



Subfamily Pennatuliuae. 

 Pennatula indica, n. sp. Plate VIII. fig. 1. 



Several beautiful specimens, the largest of which (A and B) are 150 and 105 

 mm. in length. 

 15 



