MACROURI. 207 



Multitudes of the young will burst their capsules while under ob- 

 servation. 



FLAW: LI II 



1m. 1. Canetr BendarJtu, tho Hermit Crab, occupying a shell. 



2. Spawn in an early stage. 



3. Spawn in an advanced stage. 



tun in an intiTinediate stage. 



5. Young animal hatched from the spawn. 



6. Young prolific fc-nmlo. 



7. Young animal from the spawn of fig. 6. 



8. Another. 



PLATE LTV. 



Fio. 1. Cancer BenMardtu, Hermit Crab, out of the shell. 

 2. Small specimen, with a shell. 



2. GALATOEA SPIKIGERA The Thorny Bastard lobster. Plate LV. 



If the preceding animal, with four abortive limbs, be an interme- 

 diate link between the Cam-er and the Astacus, the subject of this para- 

 graph, having only two abortive limb.*, anil eight of perfect formation, in 

 complete development. slmuM hring us a step nearer the Lobster family, 

 its complement being the same in respect to numlit-r as that of the Crab. 



Though some species of the (inlnlhrn dwell in the Scotish seas, suffi- 

 cient opportunity has not enabled me to investigate their nature HO pro- 

 foundly as required by the interests of science, and this partly from 

 the rarity of the finest specimens, partly from the brief survivanoe of 

 some individuals to whii-h my attention was devoted. 



A few of the Gala! In a *i>iniycra only, have therefore come under 

 review, but enough to shew that it is one of the most beautiful, curious, 

 and symmetrical of the tril 



The general form of this animal bears much resemblance to that of 

 the Astacus mariuus or common Lobster, but the proportions and colours 

 are somewhat different. It extends ekrht inches from the tips of the 

 antenna; to a luxuriant fringe bordering the margin of the unfolded tail 



