Part first. 



various tavks. /Vftnr seeing tank 23 he will be prepared to trace 

 sucli vagaries to the little crab which is their cause. 



The numbers are written in red characters above the tanks. 



, Tank Mr. 1. 



Containing exclusively Echinoderms (p. 63). 



1. Satrfishes or iive-fingers , with five (rarely more) creeping 

 arms : Echinasier ,.(fig. 2) , red and slender armed ; Luidia 



Fig. 1. As-tropec/cn aurantia/'ui. 



*/4 nat. size, p. 65. 



Fig. 2. Echinyster seposiius, 



J /3 nat. sixe. p. 65. 



Fig. 3. Asterias glacialis, 



1 / 3 iiat. size. p. 65. 



Fig. 4. Ojtk'iodenna 



J / 2 nat. size. p. 65. 



