374 



ARCTURULE. 



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 rust}^ 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 YOUXG ATTACHED TO THE ANTENNAE. (SEE P. 370.) 



