256 
A. Alcock —Carcinological Fauna of India. 
[No. 2, 
Loc. Andaman Sea, 17-36 fms. Off Ceylon 34 fms. 
Greatest length 
Male. 
... ... 21 millim. 
Adult female. 
21 millim. 
,, breadth 
14 
« M • • • J- } } 
16 „ 
Length of chelipeds 
1 9 
• • • i t » Xl/ j} 
15 „ 
Tiarinia, Dana. 
Tiarinia, Dana, U. S. Expl. Exp., Crust., pt. I. p. 109. 
Tiarinia, Miers, Journ. Linn. Soc., Zool., Yol. XIY. 1879, p. 664. 
Carapace snbpyriform, somewhat broadened anteriorly, tuberculated, 
terminating in a rostrum composed of two moderately deflexed horns 
which are in close contact with one another, except sometimes at the 
extreme tip. 
The eyes are enclosed in tubular orbits formed by a prominent 
supra-ocular roof the anterior angle of which is strongly produced 
forwards, by a cupped post-ocular tooth, and by a process of the broad 
basal antennal joint, all three elements being in the closest contact. 
The mobile portion of the antenna is completely exposed. 
The external maxillipeds have the merus broader than the ischium 
owing to the expansion of its external angle, and the palp inserted in 
a slight notch in the internal angle of the merus. 
The chelipeds are little enlarged in the male: the ambulatory 
legs have the dactylus short and claw-like. 
The abdomen in both sexes consists of seven distinct segments. 
Tiarinia cornigera, (Latr., Edw.) 
[Pisa cornigera, Latr., Encyc., X. 141.] 
Pericera cornigera, Milne-Edwards, Hist. Nat. Crust., I. 335; and Adams and 
White, ‘ Samarang’ Crust., p. 18. 
Tiarinia cornigera, Dana, U. S. Expl. Exped., Crust., pt. I. p. 110, pi. iii. 
figs. 5a-e; and Stimpson, Proc. Acad. Nat. Sci., Philad., 1857, p. 217 ; and Haswell, 
Proc. Linn. Soc., N. S. Wales, Vol. IY. 1879, p. 449, and Cat. Austral. Crust., p. 28; 
and Miers, Ann. Mag. Nat. Hist., 1880, Yol. Y. p. 228 ; and Mary J. Rathbun, Proc. 
U. S. Nat. Mus., Yol. XY. 1892, pp. 243 and 276. 
? Pericera tiarata and setigera, Adams and White, ‘ Samarang ’ Crust., p. 17. 
Tiarinia verrucosa, Heller, ‘ Novara ’ Crust., p. 4, taf. i. fig. 3. 
Tiarinia mammillata, Haswell, Proc. Linn. Soc., N. S. Wales, Yol. IY. 1879, 
p. 448, and Cat. Austral. Crust., p. 27. 
Body and ambulatory legs with many curly hairs. 
Carapace pyriform, the regions well-defined, the surface closely 
and very variedly pustular nodular and granular, but with the following 
markings fairly constant: — two parallel longitudinal lines of small 
nodules between the orbits; a “cross ” of larger nodules on the gastric 
