449 



KEPOKT on NEMEETINE8 observed at POET 

 EEIN in 1894 and 1895. 



By W. I. Beaumont, B.A. 



EMMANUEL COLLEGE, CAMBRIDGE. 



The observations on which the present Eeport is based 

 were for the most part made during a stay of six weeks at 

 Port Erin in June and the earKer half of July, 1895. A 

 certain amount of attention had been previously devoted 

 to the group during portions of March and April, 1894. 

 My thanks are especially due to Prof. Herdman for 

 placing at my disposal the resources of the Biological 

 Station and for his ever ready help and encouragement, 

 and to Mr. T. H. Eiches of Caius College, Cambridge, for 

 very useful assistance and advice. 



In Mr. Vanstone's List (6) published early in last year 

 thirteen species of Neiiiertines were definitely reported as 

 occurring in the neighbourhood of Port Erin. With the 

 possible exception of the form therein recorded as Cari- 

 nella annulata, all of these have been observed by myself , 

 while eight additional species appear in the present 

 Eeport, viz.: Amphiporm pulcher, A. dissimulans, Tetras- 

 temmct flciviclum, Prosorhochmiis claparedii, Micrura pur- 

 purea, M. fasciolata, M. Candida, Gerehratidus fusciis. 

 The known Nemertine fauna of the district therefore 

 numbers twenty-one, perhaps twenty-two, species ; the 

 uncertainty depending on the identity of the species 

 appearing in the earlier Eeport as Carlnella annulata, 

 Montagu. On the assumption which I beheve to be 



