27 4 
A. Alcock —Carcinological Fauna of India. 
[No. 2, 
little less than three times the length of the carapace : the arms and 
hands are depressed trigonal, and the fingers small: the arm has its 
inner edge sharply tuberculate, its outer edge strongly 4 or 5-spinate, 
its lower edge beaded, its upper surface with a row of 4 or 5 large 
granules : the wrist has three strong spines along its outer edge : the 
hand has its inner edge sharply 9 to 11-dentate, its outer edge very 
strongly 6 to 8-spinate, with small spinules alternating with the large 
spines, and its lower edge sharply and finely beaded. The ambulatory 
legs are perfectly smooth. 
All our specimens are typical according to Adam and White’s 
figure. This species is common at the Andamans. 
Lambrus (Aulacolambrus) curvispinis , Miers. 
Lambrus curvispinis, Miers, Ann. Mag. Nat. Hist., Yol. IV. 1879, p. 24; and 
‘Challenger’ Brachyura, p. 88. 
This species, which Miers in his latest notice of it considers to be 
one of the numerous varieties of L. hoplonotus , resembles the latter 
species in every particular except (1) that the rostrum ends in a little 
bacillar spinule ; (2) that the antero-lateral borders of the carapace 
instead of being crenate are powerfully spinate ; (3) that the spines 
along the inner edge of the palm are strongly hooked upwards and 
outwards; and (4) that the inner surface of the arm bears a row of 
spinules. 
This species, or variety, which is twice the size of L. hoplonotus , is 
also very common at the Andamans. 
Lambrus (Aulacolambrus ) whitei , A. M.-Edw. 
Lambrus carinatus , Adams and White ( nec Edw.), ‘ Samarang ’ Crust., p. 27, pi. v . 
fig. 3. 
Lambrus whitei, A. Milne-Edwards, Nouv. Archiv. du Mus., VIII. 1872, p. 260; 
and Miss. Sci. Mex. Crust., I. p. 147 (foot-notes). 
Lambrus whitei, Miers, ‘ Challenger ’ Brachyura, p. 98. 
In the form of the carapace, the hairiness of the edges of the legs 
and carapace, and in the presence of the pterygostomian canal, this 
species almost exactly resembles the two preceding species. 
The antero-lateral borders are sharply crenulate and end at a large 
outwardly and backwardly directed spine, internal to which is another 
largish spine ; while on the posterior border are four largish spines. 
The carapace is granular, and in the middle line are two conical spines, 
one on the gastric the other on the cardiac region, while on either 
branchial region are two similar spines. 
The spinature of the chelipeds is, in disposition, similar to that 
