Beprodicction of Lost Farts in the Lobster. 373 



The follov/ing extracts from my diary will show ihe ob- 

 servations made : 



Lobster A. 



5, iii. S3. — In removin<:,f this specimen to another tank it threw off both 

 clielate claws by the basal joint, and also the fiagellum of the left 

 antenna. 



8, iii. 83. —The scars on the basal joints of chelate limbs and left antenna 

 have become covered with a thin white pellicle. 



13, iv. 83. — No signs of reproduction of lost appendages. 



11, V. 83. — There is now a pallid white process arising, like a spine, from 



the middle of the scar of each limb. Length a little under | in. 



16, V. 83. — Length of process for chelae nearly -^^ in., and the joints of 



the future limb are marked out by faint constrictions beneath the 

 pellicle, and the pincers by a faint groove on each side. The two 

 grooves meet at the apex, forming a notch (c/. fig. 3). The basal 

 portion of process is wider than on previous date. 

 Left antenna has a pallid white process, similar to that forming the 

 rudiment of chelae on previous date. Length rather less than g in., 

 widened at base. Process is as yet quite straight and spine-like. 



21, V. 83. — Two apical joints of chelae are now bent inwards. No colour 



changes observable. 



29, V. 83, — Length of chelate rudiments, f% in. Left antenna has now 

 become twisted at the apex, forming a half-spiral turn {see fig. 1). 



12, vi. 83. — Length of chelate rudiments, yV iu- Twisted portion of 

 antenna forms about one complete coil. 



26, vi. 83. — Length of chelate rudiments, ^^ in. These rudiments have 

 now assumed a flesh tint. Coil of antenna close, measures ^ in. A 

 faint red tint is becoming marked in this rudiment also. 



3, vii. 83. — Length of chelate rudiments, \^ in. Eed tinge very pro- 

 nounced, excepting at base and tip. The colour is now blood red. 

 Coiled portion of antenna now measures ^\- in. Colour not so dark as 

 chelae. 



17, vii. 83. — Length of chelae, ^ in. Blue suff'usions are making their 



appearance amongst the red. 



1, viii. 83. — Length of chelae, 1| in. Length of coiled portion of antenna, 

 1^0 in. 



22, viii. 83.— Length of chelae, l^f in. During the last few days these 



rudiments have assumed the same dark tints (even darker) as the other 

 uninjured limbs, due to the same sufi'usions of dark blue. Coiled 

 portion of left antenna ^V ii- Colour brilliant flesh red, paler at the 

 tip. 



25, viii. 83. — Eedysis had taken place during the night. The thin mem- 



