Notes and Comments. 5 



much palgeobotanical work still to be accomplished, even in so 

 well-known a field as the Halifax Hard Bed. 



A NEW BRITISH POLYZOON. 



Another profitable field for work is amongst the Polyzoa, 

 and we are glad to find that the steady work of Mr. J. Thomp- 

 son, of Hull, is giving good results. In the ' Transactions of the 

 Royal Society of Edinburgh ' (Vol. XLVH., part 4), Mr. James 

 Ritchie describes and figures ' An Entoproctan Polyzoon 

 {Barentsia henedeni), new to the British fauna.' This was 

 found by Mr. Thompson, at the St. Andrew's Dock Extension, 

 Hull, growing on the surface of Memhranipora which clothed 

 the under sides of horizontal timbers supporting the piles, and 

 on the timbers themselves. 



NOMENCLATURE AGAIN. 



As a sidelight upon the difficulties as regards Nomenclature, 

 Mr. Ritchie's researches in connection with this polyzoon lead 

 him to conclude that Arthropodaria Ehlers, is synonymous 

 with Gonypodaria Ehlers, and both are included in Barentsia. 

 Gonypodaria nodosa Lomas, is synonymous with Barentsia 

 gracilis, and so is Pedicellina belgica ; whilst Barentsia henedeni 

 and B. gracilis are distinct. Benedini gracilis at one time or 

 another has rejoiced in the following names : — Pedicellina 

 gracilis, Forbesia gracilis, Pedicellina belgica, Ascopodaria 

 gracilis, Ascopodaria belgica, Gonypodaria nodosa, Barentsia 

 gracilis, and Barentsia nodosa. Our sympathy is certainly 

 with the specialist, when asked by the student, ' what is this ? ' ! 



GLACIAL GEOLOGY OF NORFOLK AND SUFFOLK.* 



Under the above title has been published an interesting 

 account of the geology of one of the most interesting of the 

 glaciated districts in Britain, by the veteran, Mr. F. W. Har- 

 mer. Mr. Harmer is the author of many valuable memoirs on 

 this area ; but they are usually of a technical nature, and can 

 appeal only to the specialist. We therefore think he has been 

 well advised in reprinting this chatty and clear account of the 

 -district he knows so well, from the publications in which his 

 notes first appeared, viz., the 'Transactions of the Norfolk and 

 Norwich Naturalists' Society. An excellent map and several 

 illustrations accompany the pamphlet, which has points of 

 interest far out-reaching the district with which it deals. 



YORKSHIRE NATURALISTS' UNION. 



There were greater changes than usual at the Annual 

 Meeting of the Yorkshire Naturahsts' Union held at Heck- 

 mondwike, on December i6th. Mr. Sheppard resigned his 



* Jarrold & Sons, lo Warwick Lane, E.C. i/- net. 

 2912 Jan. I. 



