Notes, Reviews and Comments. 



59 



Selensky also regards the processes present as having to do with the 

 formation of the cellulose substance." 



The musculature, the pharyngeal apparatus, interesting notes on 

 the parasites of the tentacles, the branchial basket proper, the endostyle, 

 the sub-neural gland, the digestive tract and its parasites, each received 

 a share of careful description. Then the reproductive and circulatory 

 systems are discussed. The movements of the heart and the character 

 of the blood cells are also noted, some new light being thrown on the 

 latter although Roule has arrived at very similar results from his researches 

 on the simple ascidians from the Coast of Provence, France. 

 Three plates accompanying the paper. The figures were nearly all out- 

 lined by the author with the aid of an Abbe camera lucida. H. M. Ami. 



Zoology Verrill, A. ,. Distribution of the Echinodeims 

 of Nofth-eastern America. Amer. J. Sc. & Arts, Vol. XLIX, 3rd Ser., 

 No. 290, pp. 127-140, February, 1895, also ibid, No. 291, pp. 199- 

 212, March, 1895, New Haven, Conn. 



The following species of Fchinodermata from Canada and other 

 British possessions in North .America are recorded in these interesting 

 papers by Prof. Verrill. 



ASTER IOIDEA. 



No. 



Genera & Species. 



Pontaster hebitus . 



Pseudarchaster in- 

 termadius 



Ctenodiscus crispa- 

 tus 



Psilaster Floreae . 



Pentagonaster gra- 

 nulans ........ 



Hippasteria phry- 



giana 



Tremaster mirabilis 

 Solasler endeca 



Author. 



Sladen 



Sladen 



Dub. and 



Koren .... 



Verrill 



Perrier 



Agassiz 



Verrill 



Forties 



Locality. 



Nova Scotia and New 

 foundland 



Nova Scotia 



Bay of Fundy. 



Banks off Nova Scotia. 



Banks off Nova Scotia. . 



Bay of Fundy, Nova 



Scotia 



Bank; off Nova Scotia 



and Newfoundland . . . 

 Bay of fundy, banks off 



Nova Scotia 



Remarks. 



Banks oft" the coa>t. 



A circum po 1 a r 



species. 



Taken by ( ilouces- 

 ter fishermen. 



Taken by Glouces- 

 ter fishermen. 



On hard bottom- 



In 40 to 150 fath- 

 oms. 



