TI1I<] ANNALS 



ABB 



MAGAZINE OF NATURAL EISTORY. 



[SIXTH SERIES.] 

 No. 120. DECEMBER 1897. 



LYII. — Notes on Sunaristes paguri, Ilesse^ and some other rare 

 Crustacea. By TilOMAS ScOTT, F.L.S., Naturalist to tlie 

 Fislieiy Board for Scotland, and Andrew Scott, Fisheries 

 Assistant, University College, Liverpool. 



[Plates XI. & XII.] 



In 1893 we described * under the name of Canuella perplexa 

 an apparently new Copepod that had been observed in the 

 Firth of Forth. In our description of this Copepod we 

 referred to a certain similarity between it and Sunaristes paguri, 

 Hesse — a species that M. Hesse had discovered living as a 

 parasite on a Pagurus sp. (now Eupagurus'). We at the same 

 time pointed out some differences which we considered 

 warranted us in describing the Copepod from the Firth of 

 Forth under a new generic name. 



We had not at that time seen specimens of Sunaristes, but 

 had been guided in our decision by the description and figures 

 of the parasite published by M. Hesse, supplemented by those 

 of Herr W. Miiller, who, subsequent to, but evidently unaware 

 of, M. Hesse's discovery, had, under the name of Longi- 

 pedina paguri, also figured and described this crustacean. 



Having been successful during the past year or two in 

 obtaining several British specimens of Sunaristes, both male 

 and female, we have by an examination of these been enabled 

 to prepare the following notes and drawings, showing the 



* Ann. Scot. Nat. Hist. vol. ii. p. 92, pi. ii. figs. 1-3 (Oct. 1893). 

 Ann. & Mag. N. Hist, Ser. 6. Vol. xx. 33 



