MancJiester Memoirs, Vol. xlv. (1901), A^f. I4. 17 



The four cases are : — 



Two genera: (Crustacea) Crangon. (Nemertinea) 



Carinonia. 

 Two species : (Annelida) Terebellides strdmii 

 (Mollusca) JantJiina rotu7idata. 

 From the references given in this paper, it is clear that 

 there must be added to these the following : — 



(Crustacea) Calamis Jiyperboreus, shown by Gies- 

 brecht to be distinct from the tropical 

 C. finmarcJiicus. 

 Maia squinado. 



(Gephyrea.) Genus EcJimms. (Shipley). 

 Phascolosoma viargaritaceuin. (Fischer). 

 Priapuhis caudatiis. 

 The following species recorded by I. C. Thompson : — 

 Metridia loiiga. 

 Oitliona spinifrojis. 

 Ectinosoma a tla 11 tiat in. 

 Polychaeta recorded by Ehlers. 

 Ncplithys longisctosa. 

 Notoviastiis latericeus. 

 Scolecolepis vulgaris. 

 Glycera americana. 

 Syllid&s longicirratus. 

 CJicztopteriis variopedatus. 

 Capitella capitata. 

 Serpiila verDiicularis. 

 Arenicola assimilis (probably A. marina); together 



with 

 Scalibregma inflatum. (Ashworth.) 

 (Polyzoa) Beania magellanica. (Pratt.) 



Cellepora pnstiilata. „ 



(Porifera) Sycou ciliatitm. „ 



(Crustacea) O relies tia chilensis. „ 



