32 THE VOYAGE OF H.M.S. CHALLENGER. 



46 a more claaracteristic representation than those contained in my monograph of the 

 Pennatulidfe. 



HaUtat — Station 321, off Buenos Ayres, kt. 35° 2' S., long. 55° 15' W. Depth, 13 

 fathoms. Mud. February 25, 1876. 



Section. Ill— VEEETILLE^. 

 ^ Family 1. Caveenularid.e. 



Cavernularia, Val. 



1. Cavernularia obesa, Val. 



Hahitat. — Station 163a, off Port Jackson, Austraha. Depth, 30 to 35 fathoms. 

 June 3, 1874. 



This Cavernularia, of which I had two specimens, is in its exterior forms so like 

 Clavella australdsice with which it was collected that it was necessary to investigate the 

 calcareous corpuscles in order to distinguish them. 



Family 2. LlTUARiD^. 

 Lituaria, Val. 



1. Lituaria phalloides, Pall. (?) 



One single specimen of a Lituaria cbedged by the Challenger agrees pretty well with 

 Lituaria phalloides. Nevertheless, it differs in the following points, and may perhaps in 

 future, when both Lituarice are better known, be recognised as a new sjDecies : — 



1. The sarcosoma of the bodies of the polyps is much thinner than in Lituaria 

 phalloides, and contains some calcareous corpuscles. 



2. The tentacles also contain some, but very few calcareous bodies. 



3. The axis is j)rovided with two excavations only at its uppermost part. 



4. The calcareous bodies are furnished with longer excrescences and branches at 

 their ends. 



Habiiat.— Station 233a, Kobi, Japan, lat. 34° 35' N., long. 135 lO' E. Depth, 8 

 to 50 fathoms. Mud, sand. May 17-19, 1875. 



Clavella, Gray. 



1. Clavella australasice , Gray. 



Of this rare Pennatulid the Challenger brought home two well-preserved specimens 

 and several fragments. They agree with the typical form with this exception only, that 

 the axis passes in some specimens very nearly to the lower end of the stalk. 



^a^ito^.— Station 163a, off Port Jackson, Australia. Depth, 30 to 35 fathoms. 

 Eock. June 3, 1874. 



