3i4 



NOTE — MOLLUSCA. 



bank is about ten yards from the river. Many of the shells 



were empty, but were quite fresh, as if the animal had been 



removed only a day or two before. 

 Helix cantiana. Occurs on the bank with the above, but mostly 



young on July 23rd, 1886. 

 Helix cantiana var. rubescens. Intermixed with the type. 

 Helix rufescens. Appears to be rare. I have a note of finding one 



specimen in 1884. 

 Helix concinna. Frequent with the other Helices on the river side. 

 Helix hispida. Very few on the river side ; probably common in 



the woods. 



Helix hispida var. fusca Menke. One or two; sent to Mr. Cockerell. 



Helix sericea. Newsholme, June 12th, 1886, J.B. 



Helix rotundata. Frequent. 



Some of the Limncsa palastris sent to me from Wressle by 

 Mr. Beanland, are small and might be the variety mentioned by 

 Alder as inhabiting the margins of tidal rivers. Two of the Z. 

 stagnalis are of an iridescent purple tinge on the outside of the 

 last whorl, and pearly on the inside. One specimen is obscurely 

 5-banded. A large number of the Helix arbustorum would fall 

 under the variety alftestris, ' shell smaller, spire produced,' if that 

 variety be continued in the British list, but it would be better to 

 comprehend them under conoidea with a reduced size. One large 

 conical specimen of H. arbustorum reaches alt. 23 mill., diam. 

 21 mill., but this, large as it is, falls short of the dimensions given 

 for conoidea. In regard to measurements, I think British con- 

 chologists ought to fix a standard for themselves, and not be 

 guided by measurements taken from shells which inhabit 

 southern areas that are much more favourable than Britain to 

 the development of mollusca. 



NOTE— MOLL USCA. 

 The Conehological stigma removed, from Yorkshire.— It is 



with much pleasure that I have to announce the discovery of A malia gagates at 

 Middlesbrough. A specimen was taken on September 20th in a well situate in 

 one of the kitchen gardens which are the remains of the old 'Tea Gardens,' the 

 fortunate discoverer being Mr. T. A. Lofthouse, son of Mr. R. Lofthouse, architect. 

 The slug was seen by Mr. W. Denison Roebuck and myself immediately after 

 capture and proved to be a fairly typical specimen. Notwithstanding the fact that 

 it is by no means uncommon on the Lincolnshire coast line and also occurs 

 abundantly in Durham, Yorkshire, until now, was unable to give any authentic 

 record. Now, however, that the spell has been broken probably it will put in an 

 appearance and give an account of itself elsewhere. At the same time and place 

 several fine specimens of Amalia marginata were taken. This is, I believe, the 

 first time this species has been recorded for Cleveland. — Baker Hudson, Redcar, 



September 20th, 1886. 



Naturalist, 



