374 ARCTURIDA. 
tuberculated. The anterior segments of the pleon 
bulge very much, assuming the appearance of one of 
the segments of the pereion, and from this it tapers very 
gradually to a very sharp point. 
The colour is rusty white, with brown spots. 
Taken by Mr. Goodsir in the Frith of Forth, off Ans- 
truther. 
Our figure is taken from one of Mr. Goodsir’s type- 
specimens preserved in the British Museum. 






















































































































































































































































ARCTURUS WITH YOUNG ATTACHED TO THE ANTENNZ, (SEE P. 370.) 
