MAOROURI. .'11 



:n. -in <>f tlu- site was sensible. I found the specimen dead un the tot 

 day <>f the month, without any obvious cause, though for some time tin- 

 colour hud faded. Here the intervals of exuviation were short, none <>i 

 t linn exceeding forty days. When of such transparence as exhibited in 

 ihtM e\.iiii|'le-.. tin- inte-im, -nt of all ^MfaMM IIMI-] I.,- ..!' in. ||o>k ll 

 tenuity. 



Without any positive evidence of the fact, various circumstaim^ 

 li.ue induced me to conjecture that thin specie* may be migratory. 



PLATE I.v 



l-'i-.. 1. Galatba tpi*i<pra, Bastard Thorny Lobster; vernacularly the 



Tommy Harper. 



2. Extremity of the extended tail . 

 S. Young specimen. 



4. Young specimen. 



5. Young specimen, a female, which survived five or six week*, 



Gaktiba 



6. Young specimen. Galaikta rugota f 



7. Young specimen, very hairy. 



8. Spawn, enlarged. 



B. DECAPODES, TEN-LIMBED, LONG-TAILED, CRUSTACEANS.-*//!' 'Huntl 



ASTACUS. TIIK LOHSTKi: 



THE two preceding animals will suitably illustrate the transition of 

 the form of the Crab to some other than previously discussed in the pre- 

 ceding pages. Its most immediate ally will be found in the Lobster. 

 The form of this genus differs considerably, as is well known, from that 

 of the Crab, and its properties prevent it from being confounded with the 

 creatures belonging to other tribes. 



1. ASTACUS NoBVEGicus,Z/tnn<, Norwegian Lobster. Nephrops, Leach. 

 Plates LVL, LVII, LXX. figs. 6, 7, 8. 



From the Cancer we endeavour to advance by intermediate xtages, 

 wherein are found great modifications, to the Astacus. Perhaps, instead 



