BRYOZOA 33 



Chaperia cervicornis (Busk) 



For synonyms see Miss Jelly's Catalogue and add, 



Amphiblestrum cevvkorne Meissner, Liste der von Prof. Semon bei Amboina und Thursday Island gesammelten 



Bryozoen. {Jeu. Bail:., vol. VIII, p. — , 1902.) 

 Memhranipora cervicornis Jullien & Calvet, Bryozoaires provenant de campagnes de l'« Hirondelle », 1903, 



p. 126. 



There is a single spécimen, which however is not in a good state of préservation. 

 The spines do not branch as much as in Australian spécimens. 



Habitat. — Victoria (MacG.) ; Bass's Straits (H.) ; Torres Strait (Kirkp.) ; Marion 

 Island (Wat.) ; New South Wales (Wat.) ; Amboina (Semon) ; Bancs des Aiguilles, S. Africa, 

 Lat. 34°57' S.- Long. ig° 55' E. (.Mus. d'hist. nat. Paris) ; Plage de Praya, Graciosa (Azores), 

 Lat. 38°o3'25" N.- Long. 3o° l8' W. on seaweed (Jull. & Calv.). 



Fossil. M* Gambier (S. Australia) ; and Napier (N. Zealand). 



Exp. Antarct. Belge. 



N° 619, Tangles VIII. Lat. 70 00' S.- Long. 80048' W. ; 5oo ? met. ; +0.9 C. 



Chaperia patulosa sp. nov. 



(Pi. 11. fig. 5 



This is closely allied to the fossil and récent C. annulus Manz. also called galeata Busk, 

 but it differs in having an avicularium below the area, and in having the proximal edge 

 of the wide opesium straight as in .1/. patula Hincks. 



The zoarium of 596 encrusts the skeleton of a Gorgonidœ. The zoœcia are wide with the 

 front raised, the opesia also are wide and nearly straight below, the area is depressed and 

 granulated. At the distal end of the zoœcium there is a pedunculated avicularium, and on 

 each side two spines, the lower ones being furcate, while below the area there is sometimes 

 an avicularium, which may be long and pedunculate, or may spread out laterally, the mandible 

 is obtusely lanceolate. 



The ovicell is erect, broad, with one or two pedunculate avicularia. 



It is impossible to give a satisfactory figure of this species, as the spines are frequently 

 erect, only showing the extremity, so that the figure is to a small extent diagrammatic. 



Whether the différences are sufficient to justify a new name is somewhat doubtful, 

 but whether called a species or a variety, the fact of importance is, that it is closely allied 

 to the récent and fossil C. annulas, although there are slight différences. It is also allied to 

 C. cristata Busk, which occurs off Kerguelen and South Africa. 



Habitat. — Exp. Antarct. Belge. 



N 05 566, 5g6, Tangles VIL Lat. 70 23' S.- Long. 82047' w - ; 4 8 o met - ; +°- 8 c - 

 N os 619, 683, Tangles VIII. Lat. 70° 00' S.- Long. 8o° 48' W. ; 5oo?met. ; +0.9 C. 



R 21 



