BY D. EMBLET0N, M.D. 329 



Anil read again, and still find something new, 

 Something to please, and something to instruct, 

 E'e*i in the noisome weed." 



To the first Volume of the Transactions of the Club he contri- 

 buted, in addition to "A Catalogue of the Mollusca of Northum- 

 berland and Durham," which contained sixty species more than 

 the Catalogue in the Transactions of the Natural History So- 

 ciety, five other papers on kindred subjects. 



To the second and third. Yolumes two small papers, and (in 

 1856) "A Catalogue of the Zoophytes of Northumberland and 

 Durham," containing one hundred and sixty -four species, of 

 which seventeen at least were new. 



To the fourth Yolume, papers "On a new Holothurian," and 

 "On a new Sertularian Zoophyte," were contributed. 



To the fifth Yolume, a paper " On a new Sea Pen," " A Sup- 

 plement to the Catalogue of Zoophytes," and "A Report on the 

 Zoophytes from a dredging Expedition." 



To the sixth and last Volume, " A Eeport on another dredging 

 Expedition." 



To the first Yolume of the Natural History Transactions of 

 Northumberland and Durham (the continuation of the Transac- 

 tions of the Natural History Society and of those of the Tyne- 

 side Club combined), he gave a paper " On three new Polyzoa," 

 and "A Report on the Mollusca and Zoophytes obtained from 

 the dredgings of three years." These bear the date of 1865. 



Various contributions of papers had during this period, from 

 1839 to 1865, been made from time to time to "The Magazine 

 of Zoology and Botany," and then to its successor " The Annals 

 and Magazine of Natural History ;" to the Transactions of the 

 Zoological Society; to the "Philosophical Magazine ;" to the 

 "Journal of Microscopical Science;" and to the "Reports of 

 the British Association for the Advancement of Science." These 

 were written either by himself alone, or in conjunction with his 

 friend Mr. Albany Hancock, and will be found specified in the 

 appended Catalogue of his works. 



The great work "On the British Nudibranchiate Mollusca," 

 by Joshua Alder and Albany Hancock, published in the years 



