PROCEEDmaS OF SOCIETIES. 245 



Eeport on Dr. Morris' Paper. 



The Secretary of the Society having done me the honour to submit 

 Mr. Morris' excellent series of preparations to my scrutiny, I have 

 to state that the nineteen slides of entozoa comprise six distinct 

 species of parasites. These are severally referable to the Tcenia ex- 

 pansa, Strongylus filuria, Strongylus contcrtus, Dochnius liypostomus, 

 StepJtannnis dentatiis, and lastly, as the author correctly surmised, 

 AmpJiistoma coniciim. 



Though not one of these helminths can be said to be entirely new 

 to science, yet all of them are of considerable interest, and much 

 remains to be worked out in reference to their developmental history. 



By far the most interesting parasite is the form which I have im- 

 hesitatingly referred to the hitherto little-known StepJianurus, first 

 discovered by Natterer, some thirty-five years since, in Brazil. This 

 helminth has recently been found abundantly in the pigs of the United 

 States, where it has been generally regarded as an entii'ely new species 

 of entozoon. Professor Yerrill, of Yale College, Connecticut, has 

 thus been led to describe it under the new name of Sclerostoma pin- 

 giiicola ; but the specific and generic titles assigned to the worm by 

 Diesing, in the ' A nnalen des Wiener Museums' for 1839, must, of 

 coui'se, be allowed to hold priority. 



In the pages of the ' British Medical Journal ' for Jan, 14th of 

 the present year (jjp. 50, 51), I first annoimced the true history of this 

 supposed new worm, from an examination of specimens sent to me for 

 identification by Professor W. B. Fletcher, of the Indiana Medical 

 College, U.S. ; and it is therefore extremely interesting to me to find, 

 fi-om an inspection of Mr. Morris' contributions to the Society, that 

 the Stephanuriis dentatus likewise infests the pigs which are reared in 



(Signed) T. S. Cobbold, M.D., F.K.S. 



To the President of the Eoyal Microscojpkal Society, London. 



Stdxet, jST. S. Wales, July 11, 1871. 



Sir, — I am instructed by the Coimcil of the Agricultural Society 

 of New South Wales to forward by this mail a small case containing 

 micro-specimens of intestinal worms and insects, which Dr. Morris, 

 L.F.P.G.S., has submitted to our Scientific Committee, with a view of 

 obtaining information on a subject now becoming of great moment 

 for all those who are interested in farming and pastoral pursuits. 



Our Council will feel obliged to you if you will have the kindness 

 to lay these specimens before your Society, and furnish us with the 

 result of your deliberations on the matter. 



I have the honour to be. Sir, 



Your obedient servant, 



Jules Joulust, 



Secretary. 



